БАЗОВАЯ РАДИОСТАНЦИЯ, МОБИЛЬНАЯ СТАНЦИЯ И СПОСОБ ОСУЩЕСТВЛЕНИЯ РАДИОСВЯЗИ

Изобретение относится к системе мобильной связи, определяющей в качестве способа радиопередачи схему со множеством входов и выходов (MIMO) со множеством пользователей, и предназначено для увеличения количества уровней передачи. Базовая радиостанция (20) имеет множество передающих антенн, модуль (22) формирования ортогональной последовательности опорного сигнала, предназначенный для формирования ортогональных опорных сигналов на основании двухмерного ортогонального кода, при этом ортогональные опорные сигналы ортогонализуются между нисходящими опорными сигналами, смежными друг с другом по двум осям в направлении оси частот и направлении оси времени на одном уровне передачи, и ортогонализуются на разных уровнях передачи, назначаемых одному ресурсу радиосвязи, мультиплексор (23), предназначенный для мультиплексирования передаваемых данных и ортогональных опорных сигналов на одном уровне передачи, и передатчик, предназначенный для передачи передаваемого сигнала, получаемого посредством мультиплексирования ...

БАЗОВАЯ СТАНЦИЯ

Изобретение относится к области радиосвязи, в частности к базовой станции. Технический результат заключается в обеспечении надлежащего размещения в радиосигнале блоков, содержащих сигнал синхронизации и системную информацию, обеспечивающую рациональное распределение ресурсов. Предложенная базовая станция выполнена с возможностью осуществления связи со множеством пользовательских устройств. Указанная базовая станция содержит модуль передачи с возможностью передачи множества радиосигналов во множество пользовательских устройств; и модуль управления с возможностью размещения периодических блоков, содержащих сигнал синхронизации и системную информацию, в одном или более радиосигналах из указанного множества радиосигналов на основании разноса поднесущих. Позиции символов периодических блоков отделены от позиций символов сигналов управления. 3 н. и 4 з.п. ф-лы, 13 ил.

СПОСОБ ДЛЯ СООБЩЕНИЯ ИНФОРМАЦИИ О СОСТОЯНИИ КАНАЛА И БАЗОВАЯ СТАНЦИЯ

Изобретение относится к системам связи. В изобретении предоставлен способ для сообщения информации о состоянии канала, который включает в себя этапы, на которых: eNB (eNodeB) указывает UE одновременно передать по обратной связи сообщение CSI (информации о состоянии канала) одной или нескольких компонентных несущих; UE одновременно передает по обратной связи сообщение CSI одной или нескольких компонентных несущих в соответствии с указанием eNB. Изобретение так же предоставляет eNB, который выполнен с возможностью: указания UE одновременно передать по обратной связи сообщение CSI одной или нескольких компонентных несущих. В изобретении решается задача, связанная с тем, каким образом UE выполняет передачу сообщения информации о состоянии канала для нескольких компонентных несущих (нисходящей линии связи) в системе проекта LTE-A, при этом гарантируется не только надежность передачи информации о состоянии канала, а также максимально сокращается задержка обратной связи информации о состоянии ...

СПОСОБ ОТОБРАЖЕНИЯ ОПОРНОГО СИГНАЛА И УСТРОЙСТВО БАЗОВОЙ СТАНЦИИ БЕСПРОВОДНОЙ СВЯЗИ

Изобретение относится к технике связи и может использоваться в системах беспроводной связи. Технический результат состоит в повышении пропускной способности терминалов LTE, даже когда терминалы LTE и LTE+ терминалы сосуществуют. Для этого в устройстве на основании шаблона отображения опорных сигналов, используемых только в LTE+ терминалах, модуль (105) установки устанавливает в каждом подкадре группы блоков ресурсов, где отображаются опорные сигналы, используемые только LTE+ терминалами. Для символов, отображенных на антенны (110-1-110-4), модуль (106) отображения отображает на все блоки ресурсов в пределах одного кадра опорные сигналы, специфичные для ячейки, используемые как для терминалов LTE, так и для LTE+ терминалов. Для символов, отображенных на антенны (110-5-110-8), модуль (106) отображения отображает на множество блоков ресурсов, из которых состоит часть групп блоков ресурсов, в одном и том же подкадре в пределах одного кадра опорные сигналы для ячейки, используемые только для ...

СПОСОБ ПЕРЕДАЧИ И ОБНАРУЖЕНИЯ УПРАВЛЯЮЩЕЙ ИНФОРМАЦИИ НИСХОДЯЩЕЙ ЛИНИИ СВЯЗИ

Заявленное изобретение относится к способу передачи и обнаружения управляющей информации нисходящей линии связи. Технический результат заключается в обеспечении более высокого уровня гибкости, совместимости и меньшего коэффициента битовых ошибок, а также позволяет реже выполнять процедуру обнаружения "вслепую" и способствует уменьшению объема данных сигнализации. Для этого базовая станция переносит управляющую информацию первого типа в нисходящей линии связи посредством якорной компонентной несущей, а управляющую информацию третьего типа в нисходящей линии связи - посредством первичной компонентной несущей; причем с помощью управляющей информации первого типа в нисходящей линии связи передается информация одного или более типа из информации планирования восходящей линии связи, информации планирования нисходящей линии связи и информации управления уровнем мощности в восходящей линии связи для компонентной несущей управляющей информации первого типа в нисходящей линии связи; с помощью управляющей ...

СПОСОБ И УСТРОЙСТВО ДЛЯ ПЕРЕДАЧИ ДАННЫХ ПОЛУПОСТОЯННОГО ПЛАНИРОВАНИЯ

В настоящей группе изобретений, которая относится к области связи, предлагается способ и устройство для передачи данных полупостоянного планирования (SPS-данных) для того, чтобы эффективно снизить вероятность повторной передачи полуустойчивой службы и увеличить пропускную способность системы. Способ, в частности, включает в себя следующее: определяют несущую первичной передачи для передачи SPS-данных в соответствии с информацией о состоянии канала каждой несущей во множестве несущих и коэффициентом усиления согласованного антенного блока многопользовательской связи с множественным входом и множественным выходом (антенна MU-MIMO); пользователю сообщают об определенной несущей первичной передачи для передачи SPS-данных; и передают данные полупостоянного планирования пользователю на сообщенной несущей первичной передачи для передачи SPS-данных. Способ и устройство в основном применяются к процессу передачи SPS-данных в сценарии агрегации несущих. 4 н. и 11 з.п. ф-лы, 9 ил.

СПОСОБ И УСТРОЙСТВО ДЛЯ ПЕРЕДАЧИ ИНФОРМАЦИИ

Изобретение относится к способу и устройству передачи информации. Технический результат заключается в обеспечении удовлетворения требований к передаче сигнала синхронизации с повышением разнообразия сервисов. Способ передачи информации включает: передачу сигнала синхронизации в соответствии с целевым набором нумерологии, который определен из множества наборов нумерологии; при этом сигнал синхронизации включает первичный сигнал синхронизации (PSS) и вторичный сигнал синхронизации (SSS), соответствующий PSS-сигналу. 4 н. и 20 з.п. ф-лы, 7 ил.

СПОСОБ И УСТРОЙСТВО ДЛЯ ПЕРЕДАЧИ И ПРИЕМА БЕСПРОВОДНОГО СИГНАЛА В СИСТЕМЕ БЕСПРОВОДНОЙ СВЯЗИ

СИСТЕМА И СПОСОБ ДЛЯ СОВМЕСТИМОСТИ СИСТЕМ СВЯЗИ С НИЗКОЙ ЗАДЕРЖКОЙ И УСТОЙЧИВОЙ К ЗАДЕРЖКЕ

MULTI-CARRIER COMMUNICATIONS WITH ADAPTIVE CLUSTER CONFIGURATION AND SWITCHING

A method and apparatus for allocating subcarriers in an orthogonal frequency division multiple access (OFDMA) system is described. In one embodiment, the method comprises allocating at least one diversity cluster of subcarriers to a first subscriber and allocating at least one coherence cluster to a second subscriber.

METHOD AND APPARATUS FOR TRANSMITTING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM

The present invention relates to a method and an apparatus for transmitting a reference signal by a base station in a wireless communication system. The base station generates a channel state information (CSI) reference signal (RS) for each of a plurality of layers, performs mapping the plurality of CSI-RSs to a resource element set constituted by a plurality of resource elements (REs) in a subframe and transmits the subframe with the plurality of mapped CSI-RSs. The plurality of resource elements constituting the resource element set are resource elements that are arranged with constant subcarrier spacing in two neighboring orthogonal frequency division multiplexing (OFDM) symbols, and the subframe has an extended cyclic prefix (CP) structure including 12 OFDM symbols.

SCHEDULING AND TRANSMISSION SCHEME FOR PERIODIC AND APERIODIC CONTROL INFORMATION

Aspects of the present disclosure provide a scheduling and transmission scheme to manage multiple uplink control information (UCI) resource grants for periodic and aperiodic UCI for a particular user equipment (UE). Grant selection rules may be defined to enable the UE to select one or more of the UCI resource grants allocated within a particular period of time. In addition, the grant selection rules may further enable the UE to combine both periodic and aperiodic UCI within a particular UCI resource grant. The grant selection rules may further enable the UE to multiplex UCI over multiple UCI resource grants. Other aspects, embodiments, and features are also claimed and described.

SYSTEM AND METHOD FOR SRS SWITCHING, TRANSMISSION, AND ENHANCEMENTS

User Equipments (UEs) may be assigned a set of aggregated component carriers for downlink carrier aggregation and/or carrier selection. Some UEs may be incapable of transmitting uplink signals over all component carriers in their assigned set of aggregated component carriers. In such scenarios, a UE may need to perform SRS switching in order to transmit SRS symbols over all of the component carriers. Embodiments of this disclosure provide various techniques for facilitating SRS switching. For example, a radio resource control (RRC) message may be used to signal a periodic SRS configuration parameter. As another example, a downlink control indication (DCI) message may be used to signal an aperiodic SRS configuration parameter. Many other examples are also provided.

REFERENCE SIGNAL PATTERN AND PILOT SHARING FOR SHORTENED TRANSMISSION TIME INTERVAL WIRELESS COMMUNICATIONS

Methods, systems, and devices for wireless communication are described that provide for identifying uplink transmissions that are to be made using shortened transmission time intervals (sTTIs), and allocating uplink resources for such transmissions. A portion of the uplink resources may be reserved for reference signal transmissions, such as demodulation reference signal (DMRS) transmissions. Resources for a number of sTTIs may be aligned within a slot that comprises a number of orthogonal frequency division multiplexing (OFDM) symbols, and one of the OFDM symbols may have resources reserved that are to be shared by two or more sTTIs within the slot for DMRS transmission. The reserved OFDM symbol may be shared by two overlapping sTTIs in which the reserved OFDM symbol is common between the two sTTIs. A DMRS sequence for each sTTI may be selected based on the allocated uplink resources for the sTTIs.

DATA TRANSMISSION METHOD, TERMINAL DEVICE, AND NETWORK DEVICE

Disclosed in the present application are a data transmission method, a terminal device, and a network device. The method comprises: a terminal device receives first indication information, the first indication information comprising information about multiple time-domain resources, and frequency channel numbers located on different time-domain resources among the multiple time-domain resources and used for data transmission being different; and the terminal device transmits data on the multiple time-domain resources according to the frequency channel numbers corresponding to the multiple time-domain resources. Accordingly, the terminal device can transmit data according to different frequency channel numbers, without increasing hardware costs and power consumption of the terminal device.

SEMI-PERSISTENT SCHEDULING IN A WIRELESS NETWORK

A wireless device receives, one or more radio resource control messages comprising first periodic resource allocation configuration parameters comprising a first periodicity parameter of a first periodic resource allocation. Downlink control information indicating activation of the first periodic resource allocation is received. The downlink control information comprises one or more first fields. A plurality of transport blocks are transmitted via radio resources associated with the first periodic resource allocation. A time interval between two subsequent transmission occasions of the first periodic resource allocation is based on the one or more first fields and the first periodicity parameter.

METHOD FOR TRANSMITTING DATA, TERMINAL DEVICE AND NETWORK DEVICE

Disclosed are a data transmission method, a terminal device, and a network device. The method comprises: a terminal device receives a first indication message sent by a network device, the first indication message being used for indicating that data can be transmitted on a semi-persistent scheduling resource in a first bandwidth part (BWP), among at least one BWPs, that is in an active state; the terminal device determines the semi-persistent scheduling resource in the first BWP according to the first indication message; the terminal device and the network device transmit data on the semi-persistent scheduling resource in the first BWP. The method, the terminal device, and the network device of embodiments of the present application help improving the accuracy of data transmission.

WIRELESS COMMUNICATION SYSTEM, BASE STATION APPARATUS AND MOBILE STATION APPARATUS

... ²Transmission frequencies are individually and flexibly established in ²accordance with ²the types of pieces of feedback information transmitted from a mobile station ²apparatus ²to a base station apparatus, thereby optimizing the transmission period in ²accordance ²with the types of pieces of feedback information to minimize the degradation ²in the ²system throughput caused by the fact that the transmission period is not ²identical with ²the optimum one. A wireless communication system wherein a mobile station ²apparatus ²(B) determines a reception quality of a signal received from a base station ²apparatus (A) ²and transmits, to the base station apparatus (A), pieces of feedback ²information ²generated based on the reception quality. The base station apparatus (A) ²assigns ²resources of transmission timings in accordance with the types of pieces of ²feedback ²information, while the mobile station apparatus (B) uses the assigned ²resources to ²transmit a plurality of types of pieces of ...

HEARABILITY IMPROVEMENTS FOR REFERENCE SIGNALS

Systems and methodologies are described that facilitate providing high reuse for transmitting reference signals, such as positioning reference signals (PRS) and cell- specific reference signals (CRS), to improve hearability thereof for applications such as trilateration and/or the like. In particular, PRSs can be transmitted in designated or selected positioning sub frames. Resource elements within the positioning sub frame can be selected for transmitting the PRSs and can avoid conflict with designated control regions, resource elements used for transmitting cell-specific reference signals, and/or the like. Resource elements for transmitting PRSs can be selected according to a planned or pseudo-random reuse scheme. In addition, a transmit diversity scheme can be applied to the PRSs to minimize impact of introducing the PRSs to legacy devices. Moreover, potions of a subframe not designated for PRS transmission can be utilized for user plane data transmission.

METHOD OF SIGNAL GENERATION AND SIGNAL GENERATING DEVICE

A transmission method simultaneously transmitting a first modulated signal and a second modulated signal at a common frequency performs precoding on both signals using a fixed precoding matrix and regularly changes the phase of at least one of the signals, thereby improving received data signal quality for a reception device.

MULTI-CARRIER COMMUNICATIONS WITH ADAPTIVE CLUSTER CONFIGURATION AND SWITCHING

... ²A method and apparatus for allocating subcarriers in an orthogonal frequency ²division ²multiple access (OFDMA) system is described. In one embodiment, the method ²comprises ²allocating at least one diversity cluster of subcarriers to a first subscriber ²and allocating at least ²one coherence cluster to a second subscriber.² ...

MULTI-CARRIER COMMUNICATIONS WITH ADAPTIVE CLUSTER CONFIGURATION AND SWITCHING

A method and apparatus for allocating subcarriers in an orthogonal frequency division multiple access (OFDMA) system is described. In one embodiment, the method comprises allocating at least one diversity cluster of subcarriers to a first subscriber and allocating at least one coherence cluster to a second subscriber.

СИСТЕМА БЕСПРОВОДНОЙ СВЯЗИ, УСТРОЙСТВО БАЗОВОЙ СТАНЦИИ И УСТРОЙСТВО МОБИЛЬНОЙ СТАНЦИИ

Частоты передачи устанавливаются индивидуально и с гибкостью согласно типам частей информации обратной связи, переданной от устройства мобильной станции на устройство базовой станции, таким образом, оптимизируя период передачи согласно типам частей информации обратной связи, чтобы свести к минимуму ухудшение в пропускной способности системы, вызванное тем, что период передачи не идентичен оптимальному периоду. Система беспроводной связи, в которой устройство (В) мобильной станции определяет качество приема сигнала, принятого от устройства (А) базовой станции, и передает на устройство (А) базовой станции части информации обратной связи, сгенерированной на основании качества приема. Устройство (А) базовой станции назначает ресурсы тактирования передачи согласно типам частей информации обратной связи в то время, как устройство (В) мобильной станции использует назначенные ресурсы для передачи множества типов частей информации обратной связи на устройство базовой станции.

СИСТЕМА БЕСПРОВОДНОЙ СВЯЗИ, УСТРОЙСТВО БАЗОВОЙ СТАНЦИИ И УСТРОЙСТВО МОБИЛЬНОЙ СТАНЦИИ

Частоты передачи устанавливаются индивидуально и с гибкостью, согласно типам частей информации обратной связи, переданной от устройства мобильной станции на устройство базовой станции, таким образом оптимизируя период передачи согласно типам частей информации обратной связи, чтобы свести к минимуму ухудшение в пропускной способности системы, вызванное тем, что период передачи не идентичен оптимальному периоду. Система беспроводной связи, в которой устройство (B) мобильной станции определяет качество приема сигнала, принятого от устройства (A) базовой станции, и передает на устройство (A) базовой станции части информации обратной связи, сгенерированной на основании качества приема. Устройство (A) базовой станции назначает ресурсы тактирования передачи согласно типам частей информации обратной связи в то время, как устройство (B) мобильной станции использует назначенные ресурсы для передачи множества типов частей информации обратной связи на устройство базовой станции.

Radio base station apparatus, mobile terminal apparatus and wireless communication method

Provided are a radio base station apparatus, a mobile terminal apparatus and a wireless communication method wherein a downlink channel quality determination reference signal is transmitted and received in consideration of highly precise interference estimation. According to the wireless communication method, the radio base station apparatus generates and maps a channel quality determination reference signal to two adjacent symbols, and the mobile terminal apparatus receives a downlink signal including the channel quality determination reference signal mapped to the two adjacent symbols and performs an interference power estimation by use of the channel quality determination reference signal mapped to the two adjacent symbols.

Collision handling of sync signal (SS) blocks

FEEDBACK INFORMATION TRANSMISSION METHOD, USER EQUIPMENT, AND BASE STATION

SUB-FRAME CONFIGURATION IN CELLULAR SYSTEM

Method and base station for allocating frequency resources, and method and user equipment for transmitting control signals

A method for the partitioning frequency resources used in the transmission of control signals and data signals by user equipments in a communication system. The control signals and data signals are for periodic transmission and dynamic transmission. Also provided is an apparatus and method for user equipments to determine the first frequency unit available for the transmission of dynamic control signals, such as acknowledgement signals associated respective reception of data signals configured through a scheduling assignment by a serving Node B. The utilization of the operating bandwidth is maximized by avoiding fragmentation and facilitates the achievement of reception reliability targets particularly for control signals.

Method and system for processing downlink control information

The invention discloses a method and system for processing downlink control information. The method comprises the steps of: sending downlink control information of subframes n to the subframes n; or sending downlink control information of the subframes n on subframes n-1. According to a technology for processing the information of a control channel, provided by the invention, a region of sending the downlink control information is added, and a space division technology can be fully utilized, thus a load of a physical downlink control channel is lightened, interference between control channels is reduced, and capacities of the control channels are enlarged.

A METHOD, TERMINAL DEVICE AND NETWORK DEVICE FOR SCHEDULING RESOURCES

Method and apparatus for transmitting/receiving wireless signal in wireless communication system

무선 통신 시스템에서 사운딩 참조 신호를 송신 또는 수신하는 방법 및 이를 위한 장치

... 본 발명의 일 실시예에 따라 TDD(Time Divisional Duplex)를 지원하는 무선 통신 시스템에서 단말이 SRS(sounding reference signal)를 송신하는 방법은, 4-TC(Transmission Comb) SRS에 의해 지원되는 총 4개의 TC들 중 어느 하나를 지시하는 TC 정보를 수신하는 단계; 상기 TC 정보에 기초하여 TDD 특별 서브프레임의 UpPTS(uplink pilot time slot)의 SRS 심볼에 상기 4-TC SRS를 맵핑하는 단계; 및 상기 UpPTS를 통해 상기 4-TC SRS를 송신하는 단계를 포함하되, 상기 4-TC SRS를 맵핑하는 단계에서는, 상기 TC 정보에 의해 지시된 TC에 기초하여 상기 SRS 심볼 상에서 4개 RE들 당 1개 RE의 단위로 상기 4-TC SRS가 맵핑되고, 상기 4-TC SRS의 송신은, 상기 UpPTS에 다수의 심볼들이 설정되는 경우에 지원된다.

METHOD AND APPARATUS OF GENERATING REFERENCE SINGAL SEQUENCE IN WIRELESS COMMUNICATION SYSTEM

무선통신 시스템에서 사운딩 참조신호의 전송방법

... 무선 통신 시스템에서 사운딩 참조 신호(SRS; sounding reference signal)를 전송하는 방법 및 장치가 제공된다. 단말은 기지국으로부터 순환 쉬프트 파라미터를 상위 계층을 통해 수신하고, 이를 기바능로 복수의 안테나 포트 각각에 대응하며 서로 최대 간격만큼 떨어지는 서로 다른 순환 쉬프트 값을 결정하고, 상기 서로 다른 순환 쉬프트 값을 적용하여 상기 복수의 안테나 포트 각각에 대응하는 복수의 SRS 시퀀스를 생성하고, 상기 복수의 SRS 시퀀스를 각각 상기 복수의 안테나 포트를 통해 상기 기지국으로 전송한다.

DEVICE AND METHOD FOR PROCESSING A CHANNEL STATE MEASUREMENT REFERENCE SIGNAL OF A WIRELESS COMMUNICATION SYSTEM CAPABLE OF PREVENTING SIGNAL INTERFERENCE

PURPOSE: A device and method for processing a channel state measurement reference signal of a wireless communication system are provided to efficiently use the transmission power of all antenna ports. CONSTITUTION: A first OFDM(Orthogonal Frequency Division Multiplexing) symbol and a second OFDM transmit a CSI-RS(Channel State Information-Reference Signal). Partial PRBs transmit the CSI-RS within a system bandwidth. The partial PRBs are transmitted in a first CSI-RS pattern type. The other PRBs are transmitted in a second CSI-RS pattern type. The first CSI-RS pattern type transmits a CSI-RS about first antenna ports in a first OFDM symbol. The second CSI-RS pattern type transmits a CSI-RS about second antenna ports in a second OFDM symbol. COPYRIGHT KIPO 2011 ...

Semi PUSCH-permanent two feedback via CSI zeros

METHOD FOR TRANSMITTING AND RECEIVING REFERENCE SIGNAL AND APPARATUS THEREFOR

동기화 방법, 장치 및 시스템

... 본 발명의 실시예들은 동기화 방법, 장치, 및 시스템을 제공하며, 통신 분야에 관한 것으로서, 비면허 반송파 상의 장치들 사이에 데이터 프레임 전송의 동기화를 구현할 수 있다. 본 동기화 방법은 비면허 반송파 상의 동기화에 적용된다. 네트워크 장치는 제1 서브프레임 내에 동기화 신호를 설정하고, 네트워크 장치는 사용자 장치에게 제1 서브프레임 또는 제1 서브프레임 및 제2 서브프레임을 송신하며, 여기서 제1 서브프레임은 M개의 OFDM 심볼을 포함하고, 제2 서브프레임은 N개의 OFDM 심볼을 포함하며, M과 N은 양의 정수이고, M>N이며, 제1 서브프레임 및 제2 서브프레임은 비면허 반송파의 서브프레임이다. 본 발명의 실시예들은 동기화 신호 전송에 적용된다.

communications method and apparatus

method for transmitting data, terminal device and network device

método de comunicação, dispositivo de rede, dispositivo terminal de comunicações, sistema de comunicações e produto de programa de computador

Downlink control channel structure for low latency applications (1)

Methods, systems, and devices for wireless communication are described. In one example, an indication in a first control message in a control region of a first transmission time interval (TTI) identifies a data region of the first TTI. A data region of the second TTI may be identified based on a grant of resources received in a second control message of a second TTI, where the data region of the first TTI and the control region of the second TTI are frequency division multiplexed with the data region of the second TTI. Other examples include a downlink grant at the beginning of a control region and uplink grants at the end of the control region. In other examples, a downlink grant for a user equipment (UE) may include an indication of resources allocated to the UE in that resource block and a second resource block.

TECHNIQUES FOR MULTIPLE FEEDBACK TRANSMISSIONS PER SLOT IN WIRELESS COMMUNICATIONS

APPARATUS AND METHOD FOR CONFIGURING CONTROL CHANNELS FOR NARROWBAND USER EQUIPMENT

The present invention relates to configure control channels for narrowband user equipment. A base station for sending a control channel in a wireless communication system includes a control information generation unit configured to generate a first CFI to be mapped to a first PCFICH and a second CFI to be mapped to a second PCFICH, a channel mapper configured to map the first CFI to the first PCFICH and map the second CFI to the second PCFICH, a transmission unit configured to map the first PCFICH and the second PCFICH to one or more predefined PRBs on one or more predefined OFDM symbols in a central band on a system operating frequency and transmit the one or more PRBs to user equipment, wherein the first CFI indicates first 4 or smaller OFDM symbols within a subframe and the second CFI indicate indices of the one or more predefined PRBs.

CONFIGURATION METHOD AND SYSTEM FOR SOUNDING REFERENCE SIGNAL IN LONG TERM EVOLUTION-ADVANCED SYSTEM

The present invention discloses a configuration method for a Sounding Reference Signal (SRS) in a Long Term Evolution-Advanced (LTE-A) system. The method includes that a base station triggers one or more User Equipments (UEs) to transmit non-periodic SRSs in one or more uplink sub-frames by downlink control signaling. The present invention also discloses a base station in an LTE-A system. The base station includes a transmission module which is configure to trigger one or more UEs to transmit non-periodic SRSs in one or more uplink sub-frames by downlink control signaling, so that after the UE receives the downlink control signaling which is transmitted by the base station, it transmits the non-periodic SRSs in the uplink sub-frames using the non-periodic SRS resources according to the triggering of the base station. The present invention also discloses a UE in an LTE-A system. With the present invention, the resources for the non-periodic SRS can be determined, the UE channel measurement ...

METHOD OF TRANSMITTING SOUNDING REFERENCE SIGNAL

A method of transmitting a sounding reference signal (SRS) includes receiving SRS operation information including a sounding indicator, the sounding indicator indicating whether SRS transmission takes place at a subframe; generating the SRS according to the SRS operation information, and if the sounding indicator indicates occurrence of SRS transmission, transmitting the SRS at the subframe. Multiplexing can be achieved without collision between data and a sounding reference signal and single carrier characteristics required in uplink transmission can be preserved.

METHOD AND APPARATUS FOR TRANSMITTING CONTROL INFORMATION

The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and apparatus for transmitting uplink control information in the event of a plurality of cells, wherein the method comprises the following steps: receiving a PDCCH and/or a PDSCH; generating reception acknowledgement information for said PDCCH and/or PDSCH; and transmitting the reception acknowledgement information in an SR subframe via a PUCCH.

OFDMA WITH ADAPTIVE SUBCARRIER-CLUSTER CONFIGURATION AND SELECTIVE LOADING

A method and apparatus for subcarrier selection for systems is described. In one embodiment, the system employs orthogonal frequency division multiple access (OFDMA). In one embodiment, a method for subcarrier selection compreses each of multiple subscribes measuring channel and interference information for subcarriers based on pilot symbols received from a base station, at least one of subscribers selecting a set of candidate subcarriers, providing feedback information on the set of candidate subcarriers to the base station, andthe one subscriber receiving an indicaiton of subcarriers to the base station, and the one subscriber receiving an indication of subcarriers of the set of subcarriers selected bz the base station for use by the one subscriber.

RADIO RECEPTION APPARATUS, RADIO TRANSMISSION APPARATUS, AND RADIO COMMUNICATION METHOD

Where first and second reference signals for a first and second communication system, respectively, are transmitted, resources that affect a reception apparatus compatible only with the first communication system can be minimized, and the throughput can be prevented from being deteriorated. As resources for a reference signal CSI-RS for LTE-A, last half symbols in a time direction of a resource unit RB/Sub-frame defined in a frequency-time domain are used, and the CSI-RS is allocated in a position up to the last two symbols or in the last symbol, or the like, of a particular RB/Sub-frame and transmitted when a reference signal 4RS for LTE is transmitted to a reception apparatus in addition to transmitting CSI-RS for LTE-A. The reception apparatus receives CSI-RS allocated in the last half symbol of RB/Sub-frame based on CSI-RS allocation information, measures channel quality by using this CSI-RS, and transmits and reports feedback information.

User equipment and method

A user equipment according to an embodiment comprises a processor and a memory coupled to the processor. The processor is configured to receive a first control information from a base station, the first control information designating a first time region on which a first Hybrid Automatic Repeat Request-Acknowledgement (HARQ-ACK) to be transmitted, the first HARQ-ACK corresponding to a first data transmitted on a first Physical Downlink Shared Channel (PDSCH) in which a transmission time interval is shorten than one subframe, the first time region being shorten than one subframe. The processor is configured to attempt to receive a second data transmitted on a second PDSCH in which a transmission time interval is one subframe. The processor is configured to transmit a second HARQ-ACK corresponding to the second data on the first time region.

METHOD AND SYSTEM FOR ALLOCATING COMMUNICATION RESOURCES

The present invention relates to a method for allocating communication resources in a multi-user cellular communication system, wherein communication resources are divided in time periods and frequency sub-bands, wherein part of the communication resources are used for frequency-localized communication channels, and part of the communication resources are used for frequency distributed channels. The method further comprises the steps of classifying part of the frequency sub-bands as frequency sub-bands carrying frequency-distributed channels, classifying the remaining part of the frequency sub-bands as frequency sub-bands carrying frequency-localized channels. The present invention also relates to a system, a transmitter and a communication system.

SCHEDULING AND TRANSMISSION SCHEME FOR PERIODIC AND APERIODIC CONTROL INFORMATION

Aspects of the present disclosure provide a scheduling and transmission scheme to manage multiple uplink control information (UCI) resource grants for periodic and aperiodic UCI for a particular user equipment (UE). Grant selection rules may be defined to enable the UE to select one or more of the UCI resource grants allocated within a particular period of time. In addition, the grant selection rules may further enable the UE to combine both periodic and aperiodic UCI within a particular UCI resource grant. The grant selection rules may further enable the UE to multiplex UCI over multiple UCI resource grants. Other aspects, embodiments, and features are also claimed and described.

DATA TRANSMISSION METHOD AND DEVICE

The present invention discloses a data transmission method and apparatus. The method comprises: determining on a terminal side whether there is an overlap between a transmission time of an uplink channel which transmits using a first transmission time interval length and a transmission time of an uplink channel which transmits using a second transmission time interval length; when there is an overlap, then selecting a part of the uplink channel for transmission according to a predetermined rule, and abandoning the remaining uplink channel for transmission or puncturing the transmission of the remaining uplink channel. On a network side, determining that the terminal selects one type of uplink channel for transmission according to the predetermined rule, and abandons another type of uplink channel for transmission or punctures the transmission of another type of uplink channel. With the present invention, correct transmission of the terminal can be achieved even when channels with different transmission time intervals overlap. 172.-. (canceled)73. A method for transmitting data , comprising:determining whether a transmission period of time of an uplink channel with a first Transmission Time (TTI) length for transmission overlaps with a transmission period of time of an uplink channel with a second TTI length for transmission; andwhen it is determined that the transmission period of time of the uplink channel with the first TTI length for transmission overlaps with the transmission period of time of the uplink channel with the second TTI length for transmission, selecting at least one uplink channel from the uplink channels for transmission, under a preset method, and dropping a remaining uplink channel of the uplink channels, or transmitting the remaining uplink channel of the uplink channels using puncturing.74. The method according to claim 73 , wherein the first TTI length is longer than the second TTI length.75. The method according to claim 73 , wherein the ...

Reference signal pattern and pilot sharing for shortened transmission time interval wireless communications

Methods, systems, and devices for wireless communication are described that provide for identifying uplink transmissions that are to be made using shortened transmission time intervals (sTTIs), and allocating uplink resources for such transmissions. A portion of the uplink resources may be reserved for reference signal transmissions, such as demodulation reference signal (DMRS) transmissions. Resources for a number of sTTIs may be aligned within a slot that comprises a number of orthogonal frequency division multiplexing (OFDM) symbols, and one of the OFDM symbols may have resources reserved that are to be shared by two or more sTTIs within the slot for DMRS transmission. The reserved OFDM symbol may be shared by two overlapping sTTIs in which the reserved OFDM symbol is common between the two sTTIs. A DMRS sequence for each sTTI may be selected based on the allocated uplink resources for the sTTIs.

Apparatus and method for performing resource allocation and communication in a wireless communication system, and system using same

A method for allocating resources in a wireless communication system using Frequency Division Multiple Access (FDMA). The method includes dividing entire frequency resources into sub-bands each having a number of sub-channels, setting at least one sub-channel in each of the sub-bands as a wide-band resource, and providing the sub-band and wide-band information to mobile stations; and determining one of the sub-band resource and the wide-band resource as an allocated resource according to channel condition with a particular mobile station when there is a need for communication with the mobile station.

METHOD AND APPARATUS FOR DESIGNING DOWNLINK CONTROL INFORMATION FOR SHORT TTI IN WIRELESS COMMUNICATION SYSTEM

A method and apparatus for receiving a physical downlink shared channel (PDSCH) for a short transmission time interval (TTI) in a wireless communication system is provided. A user equipment (UE) receives a downlink control information (DCI) format, which schedules the PDSCH for the short TTI in at least one group of bandwidths among an entire system bandwidth, from an eNodeB (eNB), and receives the PDSCH for the short TTI in the at least one group of bandwidth from the eNB. A length of the short TTI is less than 1 ms.

Automatic backoff of a spectrum allocation server heartbeat

During operation, a radio node may provide, at a transmit time during a first time interval, a first instance of a keep-alive message to a computer. Then, the radio node may receive, at a receive time prior to a first instance of a transmit expire time, an instance of a keep-alive response from the computer, where the instance of the keep-alive response authorizes the radio node to transmit in a granted portion of the spectrum until a second instance of the transmit expire time has elapsed. Moreover, the radio node may determine, based at least in part on the receive time and the first instance of the transmit expire time, an updated transmit time. Next, the radio node may provide, at the updated transmit time, which is prior to the second instance of the transmit expire time, a second instance of the keep-alive message addressed to the computer.

Long PUCCH design for slots with varying duration of uplink and for dynamic time division duplexing

Techniques for dynamically controlling long physical uplink control channel (PUCCH) transmission are described. In an aspect, the disclosure describes a method for receiving a grant to transmit a long PUCCH, determining a grant type of the grant, wherein the grant type is one of a periodic grant or an aperiodic grant, determining a slot type of the slot to transmit the long PUCCH, and transmitting the long PUCCH over one or more slots based on the grant, the determined slot type, and the determined grant type. In another aspect, the disclosure describes a method for generating a triggering signal to transmit to a user equipment (UE), the triggering signal indicating to the UE to transmit a PUCCH, transmitting the triggering signal to the UE, and receiving the long PUCCH in response to the triggering signal.

Cell-specific reference signals

Transmitting downlink reference signals includes transmitting a first plurality of subframes comprising a first reference signal associated with a first antenna port, the first reference signal having a first format within the first plurality of subframes, transmitting a second plurality of subframes comprising a second reference signal associated with a second antenna port, the second reference signal having a second format within the second plurality of subframes, and switching a format of each of the first and second reference signals, such that a third plurality of subframes is transmitted with the first reference signal in the second format, and a fourth plurality of subframes is transmitted with the second reference signal in the first format.

VARIABLE INTERVAL SIGNAL SCANNING IN DUAL CONNECTIVITY COMMUNICATION NETWORKS

A wireless communication system may support two types of networks, such as a 4th-Generation (4G) network and a 5th-Generation (5G) network. The 4G network is accessed through Long-Term Evolution (LTE) base stations. The 5G network is accessed through New Radio (NR) base stations. During idle mode, a communication device may search 5G radio frequency (RF) frequencies to determine whether a 5G signal is available and whether to display a 5G network symbol in the status bar of the device. The communication device is configured to search repeatedly at time intervals of increasing length, until the length reaches an upper limit Upon detecting a change in signal availability, the length is reset to its beginning value.

Communication system, mobile station apparatus, radio link state management method, and integrated circuit

A base station apparatus performing communication through the use of a plurality of frequency bands and a mobile station apparatus wirelessly-connected to the base station apparatus, efficiently manage a radio link state of the frequency band in consideration of a cooperation relation between the plurality of frequency bands. The base station apparatus and the mobile station apparatus communicate with each other by aggregating a plurality of cells of different frequencies, the base station apparatus, in a case of configuring a plurality of cells of different frequencies to the mobile station apparatus, configures linkage information indicating a cooperation relation between an uplink and a downlink for each of the cells, and a timer for managing a state of the cells, and the mobile station apparatus simultaneously changes states of the uplink and the downlink of the cell upon timer being expiration, based on the linkage information for each the cell.

Data Transmission Method, Terminal Device, and Network Device

A data transmission method, a terminal device and a network device are provided. The method includes: a terminal device receives first indication information, wherein the first indication information includes information of multiple time domain resources, and frequency points used for data transmission on different time domain resources in the multiple time domain resources are different; and the terminal device performs data transmission on the multiple time domain resources based on frequency points corresponding to the multiple time domain resources.

Signal Processing Method, Base Station and Terminal

An information processing method, a corresponding base station and terminal are disclosed. The method includes presetting a subframe structure comprising at least a first time slot and a second time slot, herein the first time slot is used for transmission of a downlink signal; or is idle; or is switched to reception of an uplink signal and schedules transmission of the uplink signal or does not schedule transmission of the uplink signal; or is switched to reception of a signal for only performing reception and measurement of other signals but does not schedule transmission of the uplink signal; and the second time slot is used for reception of an uplink signal and schedules transmission of the uplink signal; or is idle, or is switched to reception of a signal for only performing measurement but does not schedule the uplink signal.

Managing resources for cooperative uplink transmission

Certain aspects of the present disclosure relate to techniques for managing resources for cooperative uplink transmission. A base station may determine different groups for a plurality of user equipments (UEs) participating in cooperative uplink transmission, and transmit mode configurations indicating whether or not UEs in each group are configured to transmit data as a data source or to relay data received from another UE configured to transmit data as a data source. A UE may participate, with one or more other UEs, in cooperative uplink transmission to the base station, wherein each UE belongs to a group. The UE may determine, for a transmission time interval (TTI), at least one operation to perform for the cooperative uplink transmission based, at least in part, on a group number of a group to which the UE belongs and an index of the TTI.

METHOD FOR REPORTING CHANNEL STATE IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR

According to one embodiment of the present invention, a method by which a terminal reports a channel state on the basis of a channel state information-reference signal (CSI-RS) in a wireless communication system can comprise the steps of: transmitting, to a base station, terminal capability information related to the maximum number of CSI processes which can be simultaneously updated or calculated by the terminal in which a shortened processing time has been set; receiving an aperiodic CSI request from the base station; and, according to the aperiodic CSI request, updating or calculating CSI in a CSI reference resource at the point of time set for the shortened processing time, on the basis of the terminal capability information and transmitting the updated or calculated CSI to the base station.

METHOD FOR TRANSMITTING A CONTENTION-BASED PUSCH IN A WIRELESS COMMUNICATION SYSTEM AND A DEVICE THEREFOR

The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for transmitting a contention-based PUSCH in a wireless communication system, the method comprising: configuring at least one contention based (CB) grant in at least one subframe among a set of subframes comprising from a subframe N to a subframe N+K; receiving data on the subframe N from an upper layer; checking whether or not there is an uplink grant on the set of subframes; transmitting the data using the at least one CB grant if there is no uplink grant on the set of subframes; and transmitting the data using the uplink grant if there is uplink grant on the set of subframes.

Method and apparatus for transmitting or receiving sounding reference signal in wireless communication system

A method for transmitting a sounding reference signal (SRS) by a user equipment (UE) in a wireless communication system supporting Time Division Duplex (TDD) includes: receiving transmission comb (TC) information indicating any one of a total of 4 TCs supported by a 4-TC SRS; mapping the 4-TC SRS to an SRS symbol of an Uplink Pilot Time Slot (UpPTS) of a TDD special subframe based on the TC information; and transmitting the 4-TC SRS through the UpPTS. In the mapping of the 4-TC SRS, the 4-TC SRS is mapped in a unit of 1 resource element (RE) per 4 REs on the SRS symbol based on a TC indicated by the TC information. The transmission of the 4-TC SRS is supported when a plurality of symbols are configured in the UpPTS.

TRANSITION METHOD, NETWORK DEVICE, AND TERMINAL DEVICE

Disclosed in embodiments of the present disclosure are a transition method, a network device, and a terminal device. The method includes: receiving, by a network device, supporting information associated with a terminal device which is sent from the terminal device; determining, by the network device, a target state of the terminal device to be transitioned to according to the supporting information, wherein the target state is a Radio Resource Control (RRC) idle state or an RRC inactive state; and enabling, by the network device, the terminal device to transition to the target state.

Methods and devices for wireless communication in wireless communication systems

A method for wireless communication in a wireless communication system may include receiving signal contributions from within a predefined frequency range, categorizing the received signal contributions in a plurality of different frequency bands being sub-bands of the frequency range, comparing content in each of the plurality of sub-bands with a predetermined criteria, selecting a sub-set of the plurality of sub-bands corresponding to the criteria, determining a frequency hopping pattern based on the selected sub-set of sub-bands, generating a frequency key including information as to the selected sub-set of sub-bands and frequency hopping pattern, and broadcasting the frequency key to nodes of the wireless communication system. A wireless communication device for wireless communication in a wireless communication system may include an antenna, a receiver module connected to the antenna, a control unit connected to the receiver module, and a transmitter module connected to the control ...

Method and apparatus for transmitting control information

A method is described for transmitting uplink control information at a communication apparatus configured with a plurality of cells including a Primary Cell (PCell) and a Secondary Cell (SCell) in a wireless communication system operating in a Time Division Duplex (TDD) mode. One or more downlink signals requiring Hybrid Automatic Repeat reQuest Acknowledgement (HARQ-ACK) feedback are received in a set of subframes. Reception response information about the one or more downlink signals is transmitted through a Physical Uplink Control CHannel (PUCCH) on a subframe configured for Scheduling Request (SR) transmission. When a predetermined condition is not satisfied, the reception response information and SR information are multiplexed and transmitted using a first HARQ-ACK PUCCH resource. When the predetermined condition is satisfied, for a positive SR, the reception response information includes information about an ACK count for the one or more downlink signals and is transmitted using a ...

TRANSMISSION OF CONTROL INFORMATION FOR FDD-TDD CARRIER AGGREGATION

METHOD AND APPARATUS FOR ADAPTING BANDWIDTH OF TERMINAL IN WIRELESS COMMUNICATION SYSTEM

UPLINK POWER CONTROL FOR GRANTLESS UPLINK

Described is an apparatus of an Evolved Node-B (eNB) operable to communicate with a User Equipment (UE) on a wireless network. The apparatus may comprise a first circuitry, a second circuitry, and a third circuitry. The first circuitry may be operable to process one or more configuration transmissions from the eNB carrying one or more parameters for Grantless Uplink (GUL) transmission. The second circuitry may be operable to determine one or more GUL subframes of an acquired Maximum Channel Occupancy Time (MCOT) on time-domain resources allocated for GUL transmission from the UE. The third circuitry may be operable to generate a GUL transmission during the one or more GUL subframes of the acquired MCOT in accordance with the one or more parameters for GUL transmission.

Improvements in and relating to user equipment positioning

Transmission of acknowledgements over uplink in wireless communication system

Methods and devices for downlink resource sharing between URLLC and eMBB transmissions in wireless communication systems

PUCCH FOR MTC DEVICES

Methods, systems, and devices are described for wireless communication at a device. A wireless device may be configured with a transmission time interval (TTI) bundling parameter. The device may then identify one or more resources for an uplink (UL) control channel based on the TTI bundling parameter (e.g., using either an implicit or an explicit indication from another wireless node such as a serving cell of a base station) and transmit the UL control channel using the identified resources. The device may also identify a downlink control information (DCI) format based on the TTI bundling parameter. For example, a resource allocation granularity level may be associated with the bundling parameter, and the length of a DCI field may depend on the resource allocation granularity level. 115-c 105-b TTI bundling/PUCCH configuration Identify Resource Offset DL control/data Identify PUCCH Resource ...

Scheduling and transmission scheme for periodic and aperiodic control information

Aspects of the present disclosure provide a scheduling and transmission scheme to manage multiple uplink control information (UCI) resource grants for periodic and aperiodic UCI for a particular user equipment (UE). Grant selection rules may be defined to enable the UE to select one or more of the UCI resource grants allocated within a particular period of time. In addition, the grant selection rules may further enable the UE to combine both periodic and aperiodic UCI within a particular UCI resource grant. The grant selection rules may further enable the UE to multiplex UCI over multiple UCI resource grants. Other aspects, embodiments, and features are also claimed and described.

System and method for coexistence of low latency and latency tolerant communications

Systems and methods are provided for transmitting and receiving pre-emption indications. The pre-emption indication is transmitted every K symbols or slots, on a group-common physical downlink control channel. The pre-emption indication is in respect of a group of K symbols or slots preceding a symbol or slot containing the group-common pre-emption indication. The group-common pre-emption indication indicates, for the group of K symbols or slots, which resources are pre-empted. The base station schedules resources for first downlink traffic, and transmits the scheduled first downlink traffic subject to pre-emption, and transmits second downlink traffic by pre-empting resources for the first downlink traffic. On the UE side, the UE receives the pre-emption indication. The UE receives its scheduled traffic taking into account the pre-emption indication.

Apparatus and method for interleaving data in a relay physical downlink control channel (R-PDCCH)

A wireless network comprising a first base station operable to communicate with mobile stations and a plurality of relay stations for providing bi-directional communication between the first base station and a plurality of mobile stations. The first base station transmits a relay physical downlink control channel (R-PDCCH) in the downlink to the plurality of relay stations. The R-PDCCH comprises: i) a first search space comprising downlink (DL) grants associated with the plurality of relay stations; and ii) a second search space comprising uplink (UL) grants associated with the plurality of relay stations.

Transmission method, apparatus and system for reference signal

Disclosed are a transmission method, apparatus and system for a reference signal, belonging to the technical field of wireless communications. The method comprises: receiving physical layer signalling sent by a network device, wherein the physical layer signalling contains configuration information, and the configuration information is used for indicating a time domain resource of a reference signal; determining the time domain resource of the reference signal according to the configuration information; and sending the reference signal and a first physical channel to the network device, wherein the reference signal is used for the demodulation of the first physical channel. By means of the present invention, the flexibility of configuring a reference signal can be improved.

Method and device for transmitting data in wireless cellular communication system

The present invention relates to a communication technique, which is a convergence of IoT technology and 5G communication system for supporting higher data transmission rate beyond 4G system, and a system for same. The present invention can be applied to smart services (e.g. smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail businesses, security- and safety-related services and the like) on the basis of 5G communication technology and IoT-related technology. The present invention provides a method, for transmitting data by a terminal, comprising the steps of: receiving, from a base station, information relating to sub-transmission blocks comprised in a transmission block; determining sub-transmission blocks on the basis of the number of code blocks comprised in the scheduled transmission block and the information relating to the sub-transmission blocks; and transmitting data to the base station by means of the sub-transmission ...

Method and device for transmitting information

Disclosed in an embodiment of the present invention are a method and device for transmitting information. The method comprises: a terminal device receiving first information transmitted by a network device; the terminal device determining, from uplink transmission resources, and according to the first information, a first resource for transmitting uplink control information; and the terminal device using the first resource to transmit the uplink control information.

SIGNAL SENSING METHOD, RELATED DEVICE, AND SYSTEM

A signal listening method, a related device, and a system. The method comprises: a sending device performs LBT; the sending device sends a first channel occupancy signal after the success of LBT, the first channel occupancy signal being used for indicating, to a first receiving device which receives the first channel occupancy signal, a channel occupancy time to be protected on a channel occupied by the sending device after the success of LBT. The solution above can prevent collision from occurring to a device needing to perform transmission, and improves the communication efficiency.

METHOD AND DEVICE FOR TRANSMITTING DATA

Disclosed are a method and device for transmitting data. The method comprises: a transmitting terminal determines in N basic parameter sets a first target basic parameter set of a first beam for transmitting first data, different basic parameter sets of the N basic parameter sets comprising different frequency-domain base parameter sets and/or different time-domain basic parameter sets, and N being an integer greater than or equal to 2; and the transmitting terminal transmits the first beam on a time-domain resource, a spatial-domain resource, and a frequency-domain resource on the basis of the first target basic parameter set; this can be adapted to requirements of diverse data in a network.

COMMUNICATION METHOD AND COMMUNICATIONS DEVICE

The present application provides a communication method and device. The method comprises: determining configuration information of multiple synchronization signal blocks located at different frequency domain positions, the configuration information being used for indicating configuration parameters of the multiple synchronization signal blocks; and sending the configuration information to a terminal device. By means of the technical solution, configuration information of multiple synchronization signal blocks can be indicated; thus, the system communication efficiency can be improved.

ALLOCATION OF ACKNOWLEDGEMENT RESOURCES

Systems and methods are provided for allocation of acknowledgement resources. In an embodiment, a method of transmitting control information to a communication network may be implemented in a wireless device. The method may include being configured with at least two physical uplink control channel (PUCCH) opportunities, each of the at least two PUCCH opportunities identifying uplink resources to be used for transmitting control information to the communication network. The method may further include receiving an acknowledgement resource indication (ARI) indicating one of the configured at least two PUCCH opportunities to be used for transmitting control information associated with the DL transmission.

SCHEDULING REQUEST TRANSMISSION CONTROL METHOD AND RELATED PRODUCT

Disclosed are a scheduling request transmission control method and a related product, the method comprising: a terminal acquiring reference information about a first parameter needing to be indicated to a network side device, wherein the first parameter is a parameter associated with cached data to be transmitted of the terminal; the terminal querying a pre-set mapping relationship between information about the first parameter and information about a second parameter of a physical uplink control channel (PUCCH) resource, and acquiring reference information, corresponding to the reference information about the first parameter, about the second parameter of the PUCCH resource, wherein the second parameter is a parameter associated with the PUCCH resource for transmitting a scheduling request (SR); and the terminal transmitting the SR for scheduling the cached data on the PUCCH resource determined by means of the reference information about the second parameter. The embodiments facilitate ...

ALLOCATION OF WIRELESS CHANNELS FOR PREFERRED STATIONS

Methods, systems, and computer readable media may be operable to facilitate an allocation of one or more channels to one or more preferred stations. An access point may be configured to allocate the use of one or more sub-bands of a frequency spectrum to one or more stations. One or more sub-bands may be assigned to one or more preferred stations, thereby creating a plurality of virtual networks provided by the access point. The virtual networks provided by the access point may support different authentication and encryption options. The access point may simultaneously communicate with a plurality of stations by simultaneously transmitting and/or receiving communications over the different sub-bands.

CONTROL CHANNEL TRANSMISSION AND FREQUENCY ERROR CORRECTION

Methods and apparatus are provided to enable repetitions of a physical uplink control channel transmission with frequency retuning and to enable frequency offset correction using replicas of received data symbols or received control symbols in repetitions of a channel reception. Methods and apparatus are also provided for multiplexing physical uplink control channel transmissions with different numbers of repetitions and for adjusting a number of repetitions for a channel transmission based on an adjustment of a frequency offset.

OFDMA WITH ADAPTIVE SUBCARRIER-CLUSTER CONFIGURATION AND SELECTIVE LOADING

A method and apparatus for subcarrier selection for systems is described. In one embodiment, the system employs orthogonal frequency division multiple access (OFDMA). In one embodiment, a method for subcarrier selection compreses each of multiple subscribes measuring channel and interference information for subcarriers based on pilot symbols received from a base station, at least one of subscribers selecting a set of candidate subcarriers, providing feedback information on the set of candidate subcarriers to the base station, andthe one subscriber receiving an indicaiton of subcarriers to the base station, and the one subscriber receiving an indication of subcarriers of the set of subcarriers selected bz the base station for use by the one subscriber.

DOWNLINK CONTROL FORMAT INDICATOR

Methods, apparatuses, systems, and devices are described for wireless communication. In one method, a control format indicator value for a frame may be received over a physical carrier in a shared spectrum. Based on the control format indicator value, a number of subframes of the frame to be used by a base station for downlink transmissions over the physical carrier may be determined. The control format indicator value may indicate an end of transmission, if data is to be transmitted during the frame, a number of subframes to be used for transmission, or whether the current subframe is the final subframe used for transmission. In some cases, a user equipment (UE) may use the control format indicator value to determine a sleep schedule. Further, ACK/NACK transmissions by a UE may be scheduled based on the control format indicator value.

CARRIER AGGREGATION IN WIRELESS COMMUNICATION SYSTEM

A method for wireless communication method by a user equipment (UE). The method involves multiplying a plurality of data symbols with a first scrambling sequence and a first orthogonal sequence, mapping the data symbols multiplied by the first scrambling sequence and the first orthogonal sequence to a first slot, multiplying a plurality of data symbols with a second scrambling sequence and a second orthogonal sequence and mapping the data symbols multiplied by the second scrambling sequence and the second orthogonal sequence to a second slot. The method further involves transmitting the first slot and the second slot to a base station. The first slot includes five DFT-S-OFDM symbols to transmit the data symbols and the second slot includes four DFT-S-OFDM symbols to transmit the data symbols. The first orthogonal sequence is selected from first predefined sequences and the second orthogonal sequence is selected from second predefined sequences. The sequence index of the first orthogonal ...

MULTI-CARRIER COMMUNICATIONS WITH GROUP-BASED SUBCARRIER ALLOCATION

A method and apparatus for subcarrier selection for systems is described. In one embodiment, a method for subcarrier for a system employing orthogonal frequency division multiple access (OFDMA) comprises partitioning subcarriers into groups of at least one cluster of subcarriers, receiving an indication of a selection by the subscriber of one or more groups in the groups, and allocating at least one cluster in the one or more groups of clusters selected by the subcarrier for use in communication with the subscriber.

Apparatus and method for transmitting uplink control information

The present invention is directed to a wireless communication system. Specifically, the present invention is directed to a method and apparatus for transmitting uplink control information through a Physical Uplink Shared Channel (PUSCH) at a user equipment, including receiving configuration information for periodic PUSCH transmission through a first protocol layer signaling, receiving information indicating activation or deactivation of the periodic PUSCH transmission through a second protocol layer signaling, wherein the second protocol layer is lower than the first protocol layer, and periodically transmitting the uplink control information through the PUSCH according to the configuration information if the periodic PUSCH transmission is activated.

Communication system, mobile station apparatus, radio link state management method, and integrated circuit

A base station apparatus performing communication through the use of a plurality of frequency bands and a mobile station apparatus wirelessly-connected to the base station apparatus, efficiently manage a radio link state of the frequency band in consideration of a cooperation relation between the plurality of frequency bands. The base station apparatus and the mobile station apparatus communicate with each other by aggregating a plurality of cells of different frequencies, the base station apparatus, in a case of configuring a plurality of cells of different frequencies to the mobile station apparatus, configures linkage information indicating a cooperation relation between an uplink and a downlink for each of the cells, and a timer for managing a state of the cells, and the mobile station apparatus simultaneously changes states of the uplink and the downlink of the cell upon timer being expiration, based on the linkage information for each the cell.

Method and apparatus for transmitting control information

The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and apparatus for transmitting uplink control information when TDD and a plurality of cells are configured, and comprises the following steps: receiving one or more of at least one PDCCH signal and at least one PDSCH signal; generating for each of the cells reception reply information on one or more of the at least one PDCCH signal and the at least one PDSCH signal; and transmitting the reception reply information for each of the plurality of cells which are connected.

Support of Network Based Positioning by Sounding Reference Signal

A method of network-based positioning using sounding reference signal (SRS) is proposed. An eNodeB configures a number of parameters of a periodic SRS transmission for a user equipment (UE). The eNodeB then transmits SRS configuration data for SRS measurements performed by a location measurement unit (LMU). The SRS configuration data includes cell-specific SRS bandwidth configuration and UE-specific SRS bandwidth configuration. The SRS configuration data may further include a number of antenna ports for SRS transmission, SRS frequency hopping bandwidth configuration, information on whether SRS sequence-group hopping is enabled, and Δ SS when SRS sequence hopping is enabled. Upon receiving the SRS configuration data, the LMU is able to perform timing measurements over the received SRS signals from the UE. In one embodiment, the LMU detects SRS dropping to avoid performance degradation of the network-based positioning.

Method and apparatus for transmitting control information

The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and apparatus for transmitting uplink control information in the event of a plurality of cell, wherein the method comprises the following steps; receiving a PPCCH and/or a PDSCH; generating reception acknowledgement information for said PDCCH and/or PDSCH: and transmitting the reception acknowledgement information in an SR subframe via a PUCCH.

Transmitter apparatus, receiver apparatus, transmission method, and notification method

This invention relates to a transmitter apparatus, a receiver apparatus, a transmission method and a notification method that, when a switching between MIMO communication and non-MIMO communication is performed, can suppress the increase of an SRS (Sounding Reference Signal) resource, while suppressing the degradation of trackability of temporal variation of a channel. In a terminal ( 200 ), a mapping unit ( 212 ) maps an SRS sequence, which is received from a pilot, generating unit ( 216 ), on the basis of information related to an SRS hopping pattern, received from a base station ( 100 ). For this SRS hopping pattern, the frequency of the SRS transmissions via a first one of a plurality of antennas of the terminal ( 200 ) is higher than that of the SRS transmissions via a second one of the plurality of antennas of the terminal ( 200 ).

Method and device for transmitting/receiving downlink reference signal in wireless communication system

The present invention relates to a wireless communication system, and discloses a method and a device for transmitting/receiving a downlink reference signal in a wireless communication system. The present invention provides a way for maintaining orthogonality of a reference signal between cells in a multi-cell operation.

WIRELESS TERMINAL, WIRELESS COMMUNICATION METHOD, AND WIRELESS COMMUNICATION SYSTEM

Provided is a wireless terminal capable of transmitting accompanying information in an ad-hoc network to an external network in a state in which the incidence of missing information is minimized. In this device, ad-hoc communication and external communication are performed at different timings. Node function determination unit () determines a representative terminal shared by a plurality of terminals in every interval obtained by dividing a time axis. Wireless communication unit () performs ad-hoc communication in an interval in which the wireless terminal is not the representative terminal. Communication data management unit () stores representative terminal information indicating which of the terminals is the representative terminal, and communication history for ad-hoc communication. Output data generator () sends the communication history and the representative terminal information in a mutually associated state to the external network using external interface unit () during an interval in which the wireless terminal is the representative terminal. 1. A wireless terminal that is one of a plurality of terminals forming an ad-hoc network and that performs ad-hoc communication and external communication at different times , the wireless terminal comprising:a node function judgment section that determines a representative terminal common to the plurality of terminals, for each time section made by dividing a time axis;a wireless communication section that performs the ad-hoc communication in a time section in which the wireless terminal is not the representative terminal;a communication data management section that stores a communication history of the ad-hoc communication and representative terminal information indicating which terminal was the representative terminal;an external interface section that performs the external communication; andan output data generation section that, in the time section in which the wireless terminal is the representative terminal, ...

Methods and Apparatuses in a Mobile Communication Network

Techniques for supporting concurrent deployment of 2-millisecond and 10-millisecond TTI for E-DCH transmissions in CELL_FACH state and Idle Mode are disclosed. One example method comprises receiving a () transport block from a mobile terminal, wherein said transport block is transmitted using either a 10-millisecond or 2-millisecond TTI, and sending (), to an RNC, an indication of whether data carried by the transport block was transmitted using the 10-millisecond TTI or the 2-millisecond TTI. In some embodiments, the indication is sent in a user plane frame sent over a base-station-to-RNC interface. A spare bit in an uplink data frame sent to the RNC may be used, for example. 130-. (canceled)31. A method , in a base station of a mobile communication network , the method comprising:receiving a transport block from a mobile terminal, wherein said transport block is transmitted using either a 10-millisecond or 2-millisecond transmit time interval (TTI); andsending, to a Radio Network Controller (RNC) an indication of whether data carried by the transport block was transmitted using the 10-millisecond TTI or the 2-millisecond TTI.32. The method of claim 31 , wherein sending the indication comprises sending the indication in a user plane frame sent over a base-station-to-RNC interface.33. The method of claim 32 , wherein sending the indication in a user plane frame comprises using at least one spare bit in an uplink data frame sent to the RNC.34. The method of claim 32 , wherein the user plane frame comprises a first bit indicating that a TTI-length information length element is present in the user plane frame claim 32 , and wherein the TTI-length information length element comprises a second bit indicating whether the data was transmitted using the 10-millisecond TTI or the 2-millisecond TTI.35. A method claim 32 , in a Radio Network Controller (RNC) of a mobile communication network claim 32 , the method comprising:receiving data from a transport block transmitted to ...

Communication device, communication method, communication system, and base station

A communication device, method, and system generate wireless communication signals that include a subframe within a radio frame. The subframe includes an extension control area in a data area of the subframe. The extension control area is set according to a periodic mapping pattern.

Wireless Communication System, Base Station Apparatus and Mobile Station Apparatus

An apparatus for signal processing includes a scheduling unit and a transmitting unit. The scheduling unit is configured to assign one physical uplink control channel resource for transmissions of first group feedback information and second group feedback information. A first periodicity corresponds to the first group feedback information and a second periodicity corresponds to the second group feedback information. The transmitting unit is configured to transmit a transmission parameter of the first periodicity and the second periodicity and information of the assigned physical uplink control channel resource. The first group feedback information includes a transmission of reception quality information and transmission signal precoding information and the second group feedback information includes a transmission of transmission signal sequence information. 1. An apparatus for signal processing , the apparatus comprising:a scheduling unit, configured to assign one physical uplink control channel resource for transmissions of a first group feedback information and a second group feedback information, a first periodicity corresponding to the first group feedback information and a second periodicity corresponding to the second group feedback information, anda transmitting unit, configured to transmit a transmission parameter of the first periodicity and the second periodicity and information of the assigned physical uplink control channel resource;wherein the first group feedback information includes a transmission of reception quality information and transmission signal precoding information; andwherein the second group feedback information includes a transmission of transmission signal sequence information.2. The apparatus according to claim 1 , wherein the physical uplink control channel resource is defined by resource blocks.3. The apparatus according to claim 1 , wherein the physical uplink control channel resource is defined by codes.4. A signal processing method ...

Method, Apparatus and System for Uplink Radio Resource Allocation in an LTE Communication System

The present technology provides a method, apparatus and system for facilitating uplink communication from a user equipment (UE) to a base station in an LTE communication system. One or more frequency subcarriers within a predetermined LTE resource block are selected, covering less than the entire frequency range of the LTE resource block. The selected one or more frequency subcarriers are then used for communication from the UE to the base station.

WIRELESS COMMUNICATION METHOD, TERMINAL DEVICE AND NETWORK DEVICE

Provided are a wireless communication method, a terminal device and a network device. The wireless communication method includes: receiving, by a terminal device, first indication information that is sent by a network device, wherein the first indication information is used to indicate the terminal device to stop duplication transmission of data of one or more radio bearers; and mapping, by the terminal device, a first logical channel to all carriers of a plurality of carriers according to the first indication information, wherein the plurality of carriers are all carriers in carriers configured by the network device for the terminal device. 1. A method for wireless communication , comprising:configuring data duplication for a first logical channel and a second logical channel;configuring, by a terminal device, a mapping relationship between the first logical channel and a first carrier for transmitting data of the first logical channel;configuring, by the terminal device, a mapping relationship between the second logical channel and a second carrier for transmitting data of the second logical channel; wherein the first carrier and the second carrier are different;performing, by the terminal device, duplication transmission of data of one or more radio bearers, wherein a Packet Data Convergence Protocol (PDCP) packet data unit (PDU) is duplicated, and the PDCP PDU is transmitted in the first logical channel, and the duplication of the PDCP PDU is transmitted in the second logical channel;receiving, by the terminal device, first indication information that is sent by a network device, wherein the first indication information is used to indicate to the terminal device to stop duplication transmission of data of one or more radio bearers; andtransmitting first data through the first logical channel, and stopping transmitting data through the second logical channel, by the terminal device, according to the first indication information.2. The method according to claim 1 ...

Device and Method for Handling a Sounding Reference Signal Transmission

A communication device for handling a sounding reference signal (SRS) transmission comprises at least one storage device; and at least one processing circuit, coupled to the at least one storage device. The at least one storage device stores instructions, and the at least one processing circuit is configured to execute the instructions of: determining at least one uplink (UL) beamforming weight of at least one SRS according to at least one of a first channel state information reference signal (CSI-RS) or a second CSI-RS, wherein the first CSI-RS is for determining the at least one UL beamforming weight and the second CSI-RS is for a channel interference measurement for the at least one SRS; and transmitting the at least one SRS with the at least one UL beamforming weight to a network according to a beamforming. 1. A communication device for handling a sounding reference signal (SRS) transmission , comprising:at least one storage device; andat least one processing circuit, coupled to the at least one storage device, wherein the at least one storage device stores instructions, and the at least one processing circuit is configured to execute the instructions of:determining at least one uplink (UL) beamforming weight of at least one SRS according to at least one of a first channel state information reference signal (CSI-RS) or a second CSI-RS, wherein the first CSI-RS is for determining the at least one UL beamforming weight and the second CSI-RS is for a channel interference measurement for the at least one SRS; andtransmitting the at least one SRS with the at least one UL beamforming weight to a network according to a beamforming.2. The communication device of claim 1 , wherein the at least one of SRS is configured by a SRS configuration received from the network claim 1 , and the SRS configuration comprises the at least one of the first CSI-RS or the second CSI-RS.3. The communication device of claim 2 , wherein the SRS configuration comprises a plurality of trigger ...

TRANSMISSION DEVICE, RECEPTION DEVICE, WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION METHOD

A transmission device includes: a transmitter configured to transmit first data by a first radio resource and transmit second data by a second radio resource, the second radio resource having a longer time length than the first radio resource; and a processor configured to insert a known signal to a part of the second radio resource in a first region in which the first radio resource and the second radio resource overlap in a time axis direction, and cause the transmitter to transmit the first data and the second data. 1. A transmission device comprising:a transmitter configured to transmit first data by a first radio resource and transmit second data by a second radio resource, the second radio resource having a longer time length than the first radio resource; anda processor configured toinsert a known signal to a part of the second radio resource in a first region in which the first radio resource and the second radio resource overlap in a time axis direction, andcause the transmitter to transmit the first data and the second data.2. The transmission device according to claim 1 , whereinthe processor is further configured toset transmission power to be allocated to the second radio resource in the first region to be lower than transmission power to be allocated to the second radio resource outside the first region.3. The transmission device according to claim 1 , wherein claim 1 ,the processor is further configured to, in a case of receiving allocation of the first radio resource to the first data after mapping the second data to the second radio resource,set a range in which the allocated first radio resource and the second radio resource overlap in the time axis direction as the first region, andinsert the known signal to a part of the second radio resource in the first region.4. The transmission device according to claim 1 , whereinthe processor is further configured toset a range in which the periodically allocated first radio resource and the second radio ...

HANDLING GAPS IN UPLINK TRANSMISSION IN NEW RADIO UNLICENSED

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a set of one or more uplink grants scheduling at least a first uplink transmission and a second uplink transmission during a channel occupancy time of an unlicensed radio frequency spectrum band. The UE may identify a transmission gap between the first uplink transmission and the second uplink transmission of the plurality of uplink transmissions by the UE during the channel occupancy time, the transmission gap exceeding a threshold time. The UE may determine that the transmission gap corresponds to a lost uplink grant. The UE may modify the first uplink transmission or the second uplink transmission based at least in part on the determination that the transmission gap corresponds to the lost uplink grant. 1. A method for wireless communication at a user equipment (UE) , comprising:receiving an uplink grant scheduling a plurality of uplink transmissions during a plurality of transmission time intervals (TTIs) in an unlicensed radio frequency spectrum band;modifying one or more uplink transmissions of the plurality of uplink transmissions based at least in part on the uplink grant; andperforming the plurality of uplink transmissions based at least in part on the uplink grant and the modifying.2. The method of claim 1 , wherein modifying the one or more uplink transmissions comprises:reordering, based at least in part on the uplink grant, the plurality of uplink transmissions.3. The method of claim 2 , wherein the reordering the plurality of uplink transmissions comprises scheduling uplink retransmissions before scheduling new uplink transmissions.4. The method of claim 1 , wherein modifying the one or more uplink transmissions comprises:adding padding bits to a subset of the plurality of uplink transmissions for which no data is available.5. The method of claim 1 , wherein modifying the one or more uplink transmissions comprises:adding padding bits to each of ...

Transmission and Scheduling for Multiple Panels

A wireless device receives, from a base station, one or more messages indicating: a number of repetition transmission occasions for uplink transmission of a transport block; and an interval for switching uplink transmissions between a first panel and a second panel. Based on the interval, a determination is made of: a first portion of the number of repetition transmission occasions for uplink transmission of the transport block; and a second portion of the number of repetition transmission occasions for uplink transmission of the transport block. The first portion of the number of repetition transmission occasions of the transport block is transmitted via the first panel. The second portion of the number of repetition transmission occasions of the transport block is transmitted via the second panel. 1. A method comprising: a number of repetition transmission occasions for uplink transmission of a transport block; and', 'an interval for switching uplink transmissions between a first panel and a second panel;, 'receiving, by a wireless device from a base station, one or more messages indicating a first portion of the number of repetition transmission occasions for uplink transmission of the transport block; and', 'a second portion of the number of repetition transmission occasions for uplink transmission of the transport block;, 'based on the interval, determiningtransmitting, via the first panel, the first portion of the number of repetition transmission occasions of the transport block; andtransmitting, via the second panel, the second portion of the number of repetition transmission occasions of the transport block.2. The method of claim 1 , further comprising switching an uplink precoder for the uplink transmission via the first panel based on the interval for switching uplink transmissions.3. The method of claim 2 , further comprising switching the uplink precoder for the uplink transmission via the second panel based on the interval for switching uplink ...

Method and apparatus for transmitting control information

A method for transmitting uplink control information at an apparatus configured with a plurality of cells including a Primary Cell (PCell) and a Secondary Cell (SCell) in a wireless communication system is discussed. The method includes receiving at least a Physical Downlink Control CHannel (PDCCH) signal indicating SPS release or a Physical Downlink Shared CHannel (PDSCH) signal with a corresponding PDCCH, and transmitting reception response information about the at least the PDCCH signal indicating SPS release or the PDSCH signal with the corresponding PDCCH through a Physical Uplink Control CHannel (PUCCH) on a subframe configured for Scheduling Request (SR) transmission.

TERMINAL AND COMMUNICATION METHOD

In a terminal, in a slot having allocated thereto both an uplink control channel (PUCCH) and an uplink channel (PUSCH) that includes uplink data, in a case where the difference between the power spectrum density (PSD) of the PUCCH and the PSD of the PUSCH is greater than a threshold value (permitted difference), a control unit drops symbols of the PUSCH in a transmission interval for the PUSCH overlapping with a transmission interval for the PUCCH. A transmission unit transmits at least the PUCCH in the slot. 1. A terminal comprising:circuitry, which, in operation, in a slot having allocated thereto both an uplink control channel (PUCCH) and an uplink channel (PUSCH) that includes uplink data, in a case where a difference between a power spectrum density (PSD) of the PUCCH and the PSD of the PUSCH is greater than a threshold value, drops a symbol of the PUSCH in a transmission interval for the PUSCH overlapping with a transmission interval for the PUCCH; anda transmitter, which, in operation, transmits at least the PUCCH in the slot.2. A terminal comprising:circuit, which, in operation, in a slot having allocated thereto both an uplink control channel (PUCCH) and an uplink channel (PUSCH) that includes uplink data, in a case where a difference between a power spectrum density (PSD) of the PUCCH and the PSD of the PUSCH is greater than a threshold value, drops a portion of resources of frequency resources to which the PUSCH is allocated in a transmission interval for the PUSCH overlapping with a transmission interval for the PUCCH; anda transmitter, which, in operation, transmits the PUCCH, and the PUSCH for which the portion of a frequency band has been dropped, in the slot.3. A terminal comprising:circuitry, which, in operation, in a slot having allocated thereto both an uplink control channel (PUCCH) and an uplink channel (PUSCH) that includes uplink data, in a case where a difference between a power spectrum density (PSD) of the PUCCH and the PSD of the PUSCH is ...

PILOT TMIE SLOT HOPPING

Embodiments are directed to systems, methods and computer program products for pilot time slot hopping to mitigate interference-based pilot time slot contamination. Embodiments include generating a multiple input multiple output (MIMO) system message frame structure comprising a header comprising a plurality of header time slots, an uplink (UL) time slot (optional), and a downlink (DL) time slot. Generating includes determining, based on a predetermined scheme, allocation of at least one of the plurality of header time slots to at least one user device within a predetermined area. 1. A method for managing multiple input multiple output (MIMO) system messages in a massive MIMO system , each MIMO system message having a header with a header frame structure of a sequence of header time slots , the method comprising:(a) allocating one of the header time slots as a pilot signal time slot to a first user device that operates in the massive MIMO system; (c) activating pilot time slot hopping in which the pilot signal time slot is reallocated to a different header time slot; and', '(d) determining that pilot contamination mitigation is no longer needed and deactivating pilot time slot hopping so that the same header time slot is maintained for consecutive MIMO system messages., '(b) monitoring a metric indicative of pilot contamination between the first user device and a second user device, wherein (i) if pilot contamination is not indicated then maintaining the allocation of (a) so that the same header time slot is maintained for consecutive MIMO system messages or (ii) if pilot contamination is indicated then2. The method of claim 1 , wherein the reallocation of (c) is carried out periodically until (d) is carried out.3. The method of claim 2 , wherein the reallocation of (c) is carried out every millisecond until (d) is carried out.4. The method of claim 1 , wherein the reallocation of (c) is carried out for each MIMO system messages until (d) is carried out.5. The ...

MANAGING TRANSMISSION OF A CELL-SPECIFIC REFERENCE SIGNAL

There is provided a method for managing transmission of a Cell-specific Reference Signal, CRS, comprising a plurality of reference symbols to User Equipment, UE, in a wireless communication system operating at least one cell or sector. The method comprises identifying a UE for which a beamformed transmission of data is scheduled during a transmission time interval, and enabling, during the transmission time interval, beamformed transmission of at least part of the reference symbols of the CRS for targeting the identified UE. 1. A method for managing transmission of a Cell-specific Reference Signal , CRS , comprising a plurality of reference symbols to User Equipment , UE , in a wireless communication system operating at least one cell or sector , wherein said method comprises:identifying a UE for which a beamformed transmission of data is scheduled during a transmission time interval, andenabling, during the transmission time interval, beamformed transmission of at least part of the reference symbols of the CRS for targeting the identified UE.2. The method of claim 1 , wherein the step of enabling beamformed transmission of at least part of the reference symbols of the CRS comprises:specifying a set of the reference symbols of the CRS for beamforming; andcontrolling transmission of the specified set of the reference symbols of the CRS to enable beamforming for targeting the identified UE.3. The method of claim 2 , wherein the step of specifying a set of the reference symbols of the CRS for beamforming comprises selecting a subset of the reference symbols of the CRS for beamforming.4. The method of claim 3 , wherein the selected subset includes reference symbols in a selected subset of the frequency spectrum of the CRS.5. The method of claim 3 , wherein the selected subset includes reference symbols within the available frequency spectrum of the CRS except for a number of Physical Resource Blocks claim 3 , PRBs claim 3 , located in the middle of the frequency ...

USER TERMINAL AND RADIO COMMUNICATION METHOD

The present invention is designed so that retransmission control is executed appropriately in smaller units than TBs (for example, in units of CBs, in units CBGs, etc.). A user terminal according to one aspect of the present invention has a receiving section that receives a downlink (DL) signal including one or more code blocks (CBs), and a control section that controls transmission of delivery acknowledgment information for the DL signal per CB or per code block group (CBG) including or one or more CBs, and a CB or a CBG where a negative acknowledgment (NACK) is indicated by the delivery acknowledgment information is retransmitted by using a numerology that is the same as or different from that of initial transmission. 16.-. (canceled)7. A terminal comprising:a receiving section that receives downlink control information (DCI) including information that indicates which code block group (CBG) of a transport block (TB) is present; anda control section that controls, based on the information, reception or transmission of the CBG using a downlink shared channel or an uplink shared channel that is scheduled by the DCI.8. The terminal according to claim 7 , wherein the DCI includes a field that indicates a common redundancy version between CBGs of the TB.9. The terminal according to claim 7 , wherein when a plurality of TBs of different layers are transmitted claim 7 , CBGs of the different layers are retransmitted with different TBs per layer.10. The terminal according to claim 7 , wherein the control section determines whether the CBG of the TB is retransmitted or not claim 7 , based on a new data indicator (NDI) in the DCI.11. A radio communication method comprising:receiving downlink control information (DCI) including information that indicates which code block group (CBG) of a transport block (TB) is present; andcontrolling, based on the information, reception or transmission of the CBG using a downlink shared channel or an uplink shared channel that is scheduled ...

DATA SENDING METHOD, TERMINAL DEVICE, AND NETWORK DEVICE

A data sending method, a terminal device, and a network device are described. The method may include receiving, by a terminal device, first scheduling information. The first scheduling information indicates first resources that are resources used to send first transport blocks. Furthermore, the first scheduling information indicates a probability value, and the probability value is a block error rate for the first transport blocks that are received by the network device on the first resources or a probability that the network device successfully receives the first transport blocks on the first resources. The method may also include sending, by the terminal device, the first transport blocks on the first resources based on the first scheduling information. In the embodiments, the terminal device may determine, based on the probability value, whether a preparation operation is to be performed for retransmitting all or some of the first transport blocks, so that a time period for the retransmitting can be shortened, thereby reducing a transmission delay. 1. A data sending method , comprising:receiving, by a terminal device, first scheduling information, wherein the first scheduling information indicates first resources that are resources used to send first transport blocks, the first scheduling information further indicates a probability value, and the probability value is a block error rate for the first transport blocks that are received by a network device on the first resources or a probability that the network device successfully receives the first transport blocks on the first resources; andsending, by the terminal device, the first transport blocks on the first resources based on the first scheduling information.2. The method according to claim 1 , wherein the probability value is a first probability value or a second probability value; and whereinthe first probability value indicates that all or some of the first transport blocks are retransmitted, and the ...

METHOD AND APPARATUS FOR PERFORMING DATA TRANSMISSION BASED ON MULTIPLE TRANSMISSION TIME INTERVALS, FOR TRANSMITTING CONTROL INFORMATION, AND FOR TRANSMITTING DATA BY EMPLOYING MULTIPLE PORTS

The disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). A method for operating a terminal is provided. The method includes detecting, scheduling assignment (SA) of another terminal in a sensing window based on transmission time intervals (TTIs) with different lengths in a resource pool; detecting a receiving power of a scheduled data channel based on the SA and a receiving energy of each sub-channel of each subframe; determining resources for data transmission based on the SA, the receiving power and the receiving energy; and transmitting data on the resources. 1. A terminal in a wireless communication system , the terminal comprising:a transceiver; and detect scheduling assignment (SA) of another terminal in a sensing window based on transmission time intervals (TTIs) with different lengths in a resource pool,', 'detect a receiving power of a scheduled data channel based on the SA and a receiving energy of each sub-channel of each subframe, and', 'determine resources for data transmission based on the SA, the receiving power and the receiving energy,, 'at least one processor operably coupled to the transceiver and configured towherein the transceiver is configured to transmit data on the resources.2. The terminal of claim 1 , wherein the at least one processor is further configured to:divide a long TTI (lTTI) into multiple short TTIs (sTTIs),set an automatic gain control (AGC) at the beginning of each sTTI, andset a gap at the end of each sTTI,wherein the length of the AGC of each sTTI is equal to the length of the AGC of the lTTI and the length of the gap of each sTTI is equal to the length of the gap of the lTTI, orwherein the length of the AGC of the first sTTI is equal to the length of the AGC of the lTTI, the length of the gap of the last sTTI is equal to the length of the gap of the lTTI, and the length of ...

FEEDBACK FOR MULTI-POINT COMMUNICATIONS

Methods, systems, and devices for wireless communications are described. A wireless device, such as a user equipment (UE), may receive, via a first control resource set (CORESET) of a plurality of CORESETs monitored by the UE, a first downlink grant that schedules a downlink data transmission to the UE. The UE may receive the downlink data transmission from a first transmission reception point (TRP) of a plurality of TRPs and transmit feedback information for the downlink data transmission to the first TRP based at least in part on the first TRP being associated with the first CORESET or the first downlink grant being received via the first CORESET. 1. A method for wireless communications at a user equipment (UE) , comprising:receiving, via a first control resource set of a plurality of control resource sets monitored by the UE, a first downlink grant that schedules a downlink data transmission to the UE;receiving the downlink data transmission from a first transmission reception point of a plurality of transmission reception points; andtransmitting feedback information for the downlink data transmission to the first transmission reception point based at least in part on the first transmission reception point being associated with the first control resource set or the first downlink grant being received via the first control resource set.2. The method of claim 1 , further comprising:receiving a configuration message configuring the UE to monitor the plurality of control resource sets, wherein the plurality of control resource sets are associated with the plurality of transmission reception points for coordinating communication with the UE, and wherein the configuration message indicates that the first transmission reception point is associated with the first control resource set.3. The method of claim 1 , further comprising:receiving, via the first downlink grant, an indication of a number of feedback messages to multiplex in the feedback information, wherein the ...

Method and apparatus for transmitting/receiving harq-ack signal in wireless communication system supporting carrier aggregation

Methods and devices are provided for transmitting and receiving hybrid automatic repeat request acknowledgement (HARQ-ACK) information in a wireless communication system. Higher layer signaling is received that includes at least one of information indicating whether to apply HARQ-ACK spatial bundling to HARQ-ACK information to be transmitted on a physical uplink control channel (PUCCH) or information indicating whether to apply HARQ-ACK spatial bundling to HARQ-ACK information to be transmitted on a physical uplink shared channel (PUSCH). At least one HARQ-ACK information bit corresponding to downlink data received in at least one cell, is determined based on the higher layer signaling. HARQ-ACK information corresponding to the determined at least one HARQ-ACK information bit is transmitted on at least one of the PUCCH or the PUSCH.

Method and System for Time Based WLAN Scanning

Certain aspects of a method and system for time based wireless local area network (WLAN) scanning may include controlling scanning of a plurality of wireless access points in one or more WLANs by a WLAN station based on one or more factors comprising power consumed by the WLAN station based on the scanning, and/or a priority level of one or more media packets to be handled by the WLAN station. The information may be acquired for one or more of the plurality of wireless access points in one or more WLANs during the controlled scanning. 1. A method for wireless communication , the method comprising:obtaining, at a wireless station, information about a candidate wireless access point (WAP) from a current WAP, wherein the information is related to communication with the candidate WAP;processing the information about the candidate WAP, using processing circuitry of the wireless device, to determine a time to tune the wireless device to a target frequency used by the candidate WAP for wireless communication; andtuning to the target frequency at the time determined.2. The method according to claim 1 , wherein the information about the candidate WAP comprises:information indicating a beacon interval associated with the target WAP.3. The method according to claim 1 , wherein the information about the candidate WAP comprises:timing information provided in an absolute time reference.4. The method according to claim 1 , wherein the information about the candidate WAP comprises:timing information provided in a relative time reference indicating a timing difference relative to a known timing reference.5. The method according to claim 1 , wherein the obtaining comprises:receiving the information about the candidate WAP in a beacon frame generated by the current WAP.6. The method according to claim 1 , wherein the obtaining comprise:receiving the information about the candidate WAP in a response frame generated by the current WAP.7. The method according to claim 1 , wherein the ...

METHOD OF TRANSMITTING CONTROL INFORMATION AND DEVICE FOR SAME

The present invention relates to a wireless communication system. In more detail, a method for performing HARQ (hybrid automatic repeat request) retransmission by a communication device in a wireless communication system, the method comprising: initially transmitting a data block to a Base Station (BS); attempting PDCCH (physical downlink control channel detection) in a predetermined time interval including a plurality of subframes after transmission of an uplink channel signal; and retransmitting the data block when a PDCCH signal indicating retransmission of the data block is detected in the predetermined time interval, wherein reception of a PHICH (physical hybrid ARQ indicator channel) corresponding to initial transmission of the data block is skipped. 1. A method for performing HARQ (hybrid automatic repeat request) retransmission by a communication device in a wireless communication system , the method comprising:initially transmitting a data block to a Base Station (BS);attempting a detection of PDCCH (physical downlink control channel) in a predetermined time interval including a plurality of subframes after transmission of an uplink channel signal; andretransmitting the data block when a PDCCH signal indicating retransmission of the data block is detected in the predetermined time interval,wherein reception of a PHICH (physical hybrid ARQ indicator channel) corresponding to initial transmission of the data block is skipped.2. The method according to claim 1 , wherein the initial transmission of the data block is performed through a PUSCH (physical uplink shared channel) allocated to SPS (semi-persistent scheduling).3. The method according to claim 2 , wherein the predetermined time interval is periodically given according to an SPS transmission period claim 2 , and PDCCH detection is skipped in subframes other than the predetermined time interval.4. The method according to claim 1 , wherein the PDCCH signal indicating retransmission includes information ...

CARRIER AGGREGATION IN WIRELESS COMMUNICATION SYSTEMS

Provided is a data transmission system using a carrier aggregation. The data transmission system may assign a radio resource based on a correspondence relationship between a downlink and an uplink, and may transmit data using the assigned radio resource. 1. A method of transmitting an ACK/NAK from a User Equipment (UE) , comprising:determining the number of the ACK/NAK bits based on the number of configured serving cells and a transmission mode configured for each serving cell;generating the ACK/NAK based on the number of the ACK/NAK bits; andtransmitting the ACK/NAK to a base station,wherein the number of the ACK/NAK bits is 2 in case that the transmission mode supports up to 2 transport blocks.2. The method of claim 1 , wherein the number of the ACK/NAK bits is 1 in case that the transmission mode supports 1 transport block.3. The method of claim 1 , wherein the ACK/NAK uses Physical Uplink Control Channel (PUCCH) format 1b with channel selection information.4. The method of claim 1 , wherein the ACK/NAK uses PUCCH format 3.5. The method of claim 1 , wherein the UE does not generate the ACK/NAK when any allocation information is not detected about any Component Carrier (CC).6. The method of claim 1 , generating the ACK/NAK further comprising:encoding the ACK bit as “1” and the NAK bit as “0.”7. The method of claim 1 , wherein in case that 1 transport block is received among the 2 transport blocks transmitted from the base station claim 1 , the UE generate the NAK for the other transport block.8. The method of claim 1 , wherein in case that neither Physical Downlink Shared Channel (PDSCH) nor Physical Downlink Control Channel (PDCCH) is detected in a subframe for the serving cell claim 1 , the UE generates two NAKs.9. The method of claim 7 , wherein the UE generates one NAK in case that the transmission mode supports 1 transport block.10. A User Equipment (UE) claim 7 , comprising:a determination unit configured to determine the number of the ACK/NAK bits based on ...

METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING CHANNEL QUALITY INFORMATION IN A COMMUNICATION SYSTEM USING AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SCHEME

A method and Mobile Subscriber Station (MSS) are provided for transmitting Channel Quality Information (CQI) in a wireless communication system. The method includes transmitting first information including a value related to CQI for at least one of bands; and transmitting second information including a differential CQI for the at least one of the bands, wherein each band comprises a plurality of adjacent subcarriers. 1. A method of a terminal , the method comprising:transmitting first information including a value related to channel quality information (CQI) for at least one of bands; andtransmitting second information including a differential CQI for the at least one of the bands, wherein each band comprises a plurality of adjacent subcarriers.2. The method of claim 1 , wherein each band further comprises a plurality of orthogonal frequency division multiple access (OFDMA) symbols.3. The method of claim 1 , wherein the first information is transmitted by using an uplink message and the second information is transmitted via a feedback channel for reporting channel quality information.4. The method of claim 1 , wherein the second information indicates an increment or a decrement of CQI for the at least one of the bands.5. The method of claim 1 , wherein a number of the bands is equal to a number of bits of the second information.6. The method of claim 1 , wherein the second information comprises the differential CQI for a band with a highest CQI of the bands.7. The method of claim 1 , wherein the second information comprises a plurality of bits mapped to the bands respectively claim 1 , and one of the bits is set to ‘1’ if a CQI measurement for a corresponding band is greater than a previous CQI measurement for the corresponding band claim 1 , and set to ‘0’ if the CQI measurement is less than the previous CQI measurement.8. The method of claim 1 , wherein the second information is transmitted via a control channel of an uplink.9. A method of a base station claim 1 , ...

RADIO RECEPTION APPARATUS, RADIO TRANSMISSION APPARATUS, AND RADIO COMMUNICATION METHOD

Where first and second reference signals for a first and second communication system, respectively, are transmitted, resources that affect a reception apparatus compatible only with the first communication system can be minimized, and the throughput can be prevented from being deteriorated. As resources for a reference signal CSI-RS for LTE-A, last half symbols in a time direction of a resource unit RB/Sub-frame defined in a frequency-time domain are used, and the CSI-RS is allocated in a position up to the last two symbols or in the last symbol, or the like, of a particular RB/Sub-frame and transmitted when a reference signal 4RS for LTE is transmitted to a reception apparatus in addition to transmitting CSI-RS for LTE-A. The reception apparatus receives CSI-RS allocated in the last half symbol of RB/Sub-frame based on CSI-RS allocation information, measures channel quality by using this CSI-RS, and transmits and reports feedback information. 1. A receiving apparatus comprising: a first reference signal mapped in symbols of both a former half and a latter half of a subframe according to a time direction;', 'a second reference signal mapped to only last two symbols in the latter half of the subframe; and', 'data that is mapped in a given symbol of the subframe in a frequency direction and then mapped in a symbol, which is next to the given symbol in the time direction, of the subframe in the frequency direction, the data being comprised of systematic bits first followed by parity bits; and, 'a receiver, which, in operation, receivescircuitry, which, in operation, calculates channel quality using at least the received second reference signal, and demodulates the received data,wherein the first reference signal is a LTE reference signal in a LTE communication system, and the second reference signal is a LTE-Advanced reference signal in a LTE-Advanced communication system.2. The receiving apparatus according to claim 1 , wherein the second reference signal is mapped in ...

METHOD OF SIGNAL GENERATION AND SIGNAL GENERATING DEVICE

A transmission method simultaneously transmitting a first modulated signal and a second modulated signal at a common frequency performs precoding on both signals using a fixed precoding matrix and regularly changes the phase of at least one of the signals, thereby improving received data signal quality for a reception device. 1. A signal generation method comprising:phase-changing baseband signals with respective phase changing patterns to generate respective phase-changed signals, each of the phase changing patterns being different from each other; andinverse-fast-Fourier-transforming the phase-changed signals to respective OFDM transmission signals, whereineach phase changing pattern has N candidates for an amount of change in a phase, N being an integer greater than two,each candidate is periodically selected from the N candidates based on subcarriers of the OFDM transmission signal, a phase of the baseband signal being changed by the each candidate.2. A signal generation apparatus comprising:phase change circuit configured to phase-change baseband signals with respective phase changing patterns to generate respective phase-changed signals, each of the phase changing patterns being different from each other; andinverse fast Fourier transform circuit configured to inverse-fast-Fourier-transform the phase-changed signals to respective OFDM transmission signals, whereineach phase changing pattern has N candidates for an amount of change in a phase, N being an integer greater than two,each candidate is periodically selected from the N candidates based on subcarriers of the OFDM transmission signal, a phase of the baseband signal being changed by the each candidate. This application is a continuation of U.S. application Ser. No. 16/239,145, filed Jan. 3, 2019, which is a continuation of U.S. application Ser. No. 15/987,016, filed May 23, 2018, now U.S. Pat. No. 10,225,123, which is a continuation of application Ser. No. 15/496,406, filed Apr. 25, 2017, now U.S. Pat. ...

METHOD OF NON-ORTHOGONAL UPLINK MULTIPLEXING OF HETEROGENEOUS INFORMATION TYPES

An example disclosed method includes (i) modulating a first type of uplink information using beam direction modulation with an uplink beam direction pattern applied over a set of allocated uplink radio resource, (ii) modulating a second type of uplink information using an in-phase quadrature (IQ)-based modulation scheme, wherein modulation symbols of the IQ-based modulation scheme are transmitted on a plurality of uplink beams used to modulate the first type of uplink information across same set of allocated uplink radio resources as the set of allocated uplink radio resources used for the beam direction modulation, (iii) and transmitting the modulated first type of uplink information and the modulated second type of uplink information over an air interface. 1. A method , performed by a wireless transmit/receive unit (WTRU) , comprising:transmitting a plurality of uplink reference signals, wherein each uplink reference signal is transmitted in a respective different beam direction;in response to the transmitted plurality of uplink reference signals, receiving at least one control signal, wherein the at least one control signal identifies a plurality of uplink beam directions to be used for uplink transmission;modulating a first type of uplink information using beam direction modulation, wherein modulating the first type of uplink information using the beam direction modulation comprises selecting, based on the first type of uplink information, a pattern of one or more of the plurality of uplink beam directions for the uplink transmission of one or more allocated uplink radio resources;modulating a second type of uplink information using an in-phase quadrature (IQ)-based modulation scheme; andtransmitting the modulated first type of uplink information and the modulated second type of uplink information over air interface, wherein the modulated second type of uplink information is transmitted, using the one or more allocated uplink radio resources, on uplink beams in ...

Security protection of measurement report

Methods, apparatus, and computer-readable media are described to encode a trigger frame for a second station (STA2). A first sounding frame for the STA2 is generated. The first timestamp is associated with a transmission of the first sounding frame. A second sounding frame from the STA2 based upon the first sounding frame is decoded. The second sounding frame includes a holding time indication associated with a second timestamp and a third timestamp. A fourth timestamp is associated with receiving the second sound frame. The holding time indication is protected. A round-trip time is calculated based upon the first timestamp, the holding time indication, and the fourth timestamp.

USER TERMINAL AND RADIO COMMUNICATION METHOD

The present invention is designed to properly control the transmission of UL signals transmitted in response to DL transmission, in future radio communication systems. A receiving section that receives downlink control information and downlink data, and a control section that controls the transmission of an acknowledgment signal in response to the downlink data, are provided, and the control section controls the timing for transmitting the delivery acknowledgment signal based on timing information included in the downlink control information. 16.-. (canceled)7. A user terminal comprising:a receiving section that receives downlink control information; anda processor that controls transmission timing of a delivery acknowledgment signal in response to a downlink shared channel, based on first information included in the downlink control information and determines an uplink control channel format used for transmission of the delivery acknowledgement signal, based on second information included in the downlink control information.8. The user terminal according to claim 7 , wherein when the first information is not included in the downlink control information claim 7 , the control section controls to transmit the delivery acknowledgement signal at predetermined timing.9. The user terminal according to claim 7 , wherein a candidate of the transmission timing of the delivery acknowledgement signal is provided by higher layer signaling.10. The user terminal according to claim 8 , wherein a candidate of the transmission timing of the delivery acknowledgement signal is provided by higher layer signaling.11. A radio communication method comprising:receiving downlink control information; andcontrolling transmission timing of a delivery acknowledgment signal in response to a downlink shared channel, based on first information included in the downlink control information and determining an uplink control channel format used for transmission of the delivery acknowledgement signal, ...

RESOURCE SCHEDULING METHOD AND APPARATUS

A resource scheduling method includes: obtaining, by a terminal device, a first resource configuration parameter from an access network device; determining, by the terminal device, whether a first logical channel (LCH) supports the first resource configuration parameter, where the first LCH is an LCH on which there is to-be-sent data; and if the first LCH supports the first resource configuration parameter, determining, by the terminal device, a resource of the first LCH based on the first resource configuration parameter. According to a resource scheduling method provided in this application, after obtaining the first resource configuration parameter, the terminal device determines the resource of the first LCH by determining whether a mapping relationship exists between the first LCH and the first resource configuration parameter, to map the first LCH to the resource that matches the first LCH. This improves resource utilization. 1. A method , wherein the method comprises:obtaining, by a terminal device, a first resource configuration parameter from an access network device;determining, by the terminal device, whether a first logical channel (LCH) supports the first resource configuration parameter, wherein the first LCH is an LCH on which there is to-be-sent data; andin response to determining that the first LCH supports the first resource configuration parameter, determining, by the terminal device, a resource of the first LCH corresponding to the first resource configuration parameter.2. The method according to claim 1 , wherein obtaining the first resource configuration parameter from the access network device comprises:receiving, by the terminal device, an uplink grant from the access network device, wherein the uplink grant comprises the first resource configuration parameter or indication information of the first resource configuration parameter; anddetermining, by the terminal device, the first resource configuration parameter based on the uplink grant.3. ...

Energy Detection Method with Low Power Consumption and Communication Device Thereof

An energy detection method includes the following steps: controlling a communication device to enter a sleep mode during a first time interval; intermittently turning on and turning off a part of receiving functions of the communication device during a second time interval, in which the second time interval is after the first time interval, and when the part of receiving functions of the communication device are turned on, the communication device is controlled to receive a signal; and determining if a beacon signal is present according to energy of the signal received by the communication device. The first time interval and the second time interval form a detection period. First average power consumption of the communication device during the second time interval is smaller than second average power consumption of the communication device, in which the second average power consumption corresponds to enabling all receiving functions of the communication device. 1. An energy detection method , comprising:controlling a communication device to enter a sleep mode during a first time interval;intermittently turning on and turning off a part of receiving functions of the communication device during a second time interval, wherein the second time interval is after the first time interval, and when the part of receiving functions of the communication device are turned on, the communication device is controlled to receive a signal; anddetermining if a beacon signal is present according to energy of the signal received by the communication device;wherein the first time interval and the second time interval form a detection period, and first average power consumption of the communication device during the second time interval is smaller than second average power consumption of the communication device, in which the second average power consumption corresponds to enabling all receiving functions of the communication device.2. The method of claim 1 , wherein intermittently ...

Method and apparatus for performing uplink transmission for nb-iot in wireless communication system

A method and apparatus for transmitting a physical uplink shared channel (PUSCH) and a demodulation reference signal (DM-RS) in a wireless communication system is provided. A narrowband internet-of-things (NB-IoT) user equipment (UE) configures a set of resource units with at least one tone for uplink transmission in NB-IoT, transmits the PUSCH by using the set of resource units, and transmits the DM-RS used for demodulating the PUSCH by a network in the set of resource units.

Wireless Resource Scheduling

The present disclosure relates to wireless resource scheduling, wherein network side equipment determines a transmission length type of a first channel and notifies the same to a UE, and the network side equipment and the UE perform data transmission within a target time unit based on the transmission length type of the first channel. 1. A wireless resource scheduling method , comprising:determining, by a network side equipment, a transmission length type of a first channel within a target time unit for user equipment (UE); andnotifying the UE, by the network side equipment, of the transmission length type of the first channel within the target time unit, and performing data transmission with the UE within the target time unit based on the transmission length type of the first channel.2. The wireless resource scheduling method according to claim 1 , wherein the network side equipment performing data transmission with the UE within the target time unit based on the transmission length type of the first channel comprises:determining, by the network side equipment, a transmission time length within the target time unit of one or more types of channels including the first channel based on the transmission length type of the first channel and one or both of a first parameter value and a second parameter value; wherein the first parameter value indicates a minimum time length of an interval between a downlink signal and an immediately subsequent uplink signal, and the second parameter value indicates a minimum time length of downlink transmission within the target time unit, with the downlink transmission starting at the starting position of the target time unit; andperforming, by the network side equipment, data transmission with the UE based on the transmission time length of the one or more types of channels.3. The wireless resource scheduling method according to claim 2 , wherein the network side equipment determining a transmission time length within the target time ...

ENODEB AND UE FOR DYNAMIC CELL ON AND OFF

Disclosed in some examples are methods, systems, and machine readable mediums which reuse existing LTE functionality to rapidly signal UEs on the availability of a LTE-U cell. Using these techniques the on/off operation can be in the order of a few milliseconds (ms). Several techniques are disclosed herein, including use of component carrier (CC) specific Discontinuous Reception (DRX) signaling, PDCCH signaling, DL assignment based signaling, Physical Hybrid Automatic Repeat Request Indicator Channel (PHICH) signaling, Beacon signaling, and the like. 1. An apparatus of an evolved Node B (eNB) , the apparatus comprising:memory; and provide a primary cell (P-Cell) on a primary frequency band;', 'determine that a secondary frequency band is available for use by a secondary cell (S-Cell), wherein the second frequency band is different than the primary frequency band;', 'encode an information field in a Physical Downlink Control Channel (PDCCH) for transmission to a User Equipment (UE) on the P-Cell, the information field indicating that the S-Cell is available during a specified period of time; and', 'provide the S-Cell during the specified period of time, the S-Cell including a data channel., 'processing circuitry, the processing circuitry configured to2. The apparatus of claim 1 , wherein the processing circuitry is configured to:encode the information field in the PDCCH for transmission to the UE on the S-Cell.3. The apparatus of claim 1 , wherein the processing circuitry is configured to:encode a second information field in the PDCCH for transmission to the UE, the second information field indicating that the S-Cell is not available during a second specified period of time.4. The apparatus of claim 3 , wherein the processing circuitry is configured to:encode the second information field in the PDCCH for transmission to the UE on the S-Cell.5. The apparatus of claim 1 , wherein the information field comprises a binary value claim 1 , indicating whether the S-Cell is ...

METHOD AND APPARATUS FOR SCHEDULING COMMUNICATION TRAFFIC FLOWS

In one or more embodiments of the disclosed technology, an Access Point (AP) schedules communication traffic flows or service tasks between an Access Point (AP) and one or more member stations in a Wireless Local Area Network (WLAN). The communication traffic flows or service tasks may include both control and management flows and data traffic flows. The communication traffic flows or service tasks may include traffic flows or streams of different types, each of which may have different service intervals. The order of service tasks can be changed from cycle to cycle, randomly, by rotation, or based on historical delay records. 1. A method , comprising:scheduling, by a processing system including a processor, service tasks for control traffic flow and for data traffic flow, wherein the scheduling is for a plurality of cycles, wherein the control traffic flow comprises a beacon signal in a beginning cycle portion of each cycle; andarranging, by the processing system, the service tasks according to levels of a hierarchy based on a length of service task interval, scheduling first service tasks from a first hierarchical level for transmission during a first service interval, wherein the first service tasks are scheduled in a series at a beginning interval portion of the first service interval; and', 'scheduling second service tasks from a second hierarchical level for transmission during a plurality of second service intervals that commences within a residual portion of the first service interval, each of the first service tasks having a longer service task interval than each of the second service tasks,, 'wherein the scheduling of the service tasks for each cycle of the series of cycles compriseswherein the series of first service tasks in a first cycle of the plurality of cycles is different from that of a second cycle of the plurality of cycles, the first service tasks accordingly being executed in a different order in the first cycle and in the second cycle.2. The ...

METHOD AND USER EQUIPMENT FOR RECEIVING SYSTEM INFORMATION, AND METHOD AND BASE STATION FOR TRANSMITTING SYSTEM INFORMATION

A system information update notification may be transmitted/received in system information modification period n, updated system information may be transmitted/received in system information modification period (n+1), and the updated system information may be applied from a particular time point after the system information modification period (n+1). The updated system information may include EPDCCH configuration information or start OFDM symbol information which enables a UE to start control/data reception. 1. A method of receiving system information by a user equipment (UE) , the method comprising:receiving a system information update notification in a system information modification period n;receiving updated system information in a system information modification period (n+1); andapplying the updated system information at a specific time after the system information modification period (n+1).2. The method of claim 1 , wherein the specific time comprises a system information modification period (n+2) claim 1 , which is next to the system information modification period (n+1).3. The method of claim 1 , comprising further receiving information indicating the specific time.4. The method of claim 3 , wherein the information indicating the specific time is included in the updated system information and thus received in the system information modification period (n+1).5. The method of claim 3 , wherein the information indicating the specific time is received in every system information modification period and wherein when the updated system information is applied claim 3 , the information indicating the specific time is set to a specific value and then received.6. The method of claim 1 , wherein the updated system information includes information on a length of an updated modification period claim 1 , wherein the updated system information including the information on the length of the updated modification period is received through a master information block claim 1 , ...

UPLINK CONTROL INFORMATION TRANSMITTING METHOD AND APPARATUS

The present invention provides an uplink control information transmitting method and apparatus. In the method, when a user equipment (UE) is configured with an uplink carrier in an unlicensed spectrum, the UE transmits uplink control information through a pre-defined location and a pre-defined format in a licensed spectrum and/or a pre-defined location and a pre-defined format in an idle unlicensed spectrum according to an uplink (UL) grant transmitted from a base station and the UCI to be transmitted. According to the technical solution provided by the present invention, the UCI is flexibly transmitted in the licensed spectrum or in the idle unlicensed spectrum, thereby improving transmission efficiency and reducing impact on downlink signal scheduling when the UE is configured with the uplink carrier in the unlicensed spectrum and transmits the UCI, and further improving LTE network efficiency. 1. An uplink control information (UCI) transmitting method , applying to a user equipment (UE) configured with an uplink carrier in an unlicensed spectrum , comprising:detecting, by the UE, an uplink (UL) grant from a base station;transmitting, by the UE, UCI through a pre-defined location and a predefined format in a licensed spectrum and/or a pre-defined location and a pre-defined format in an idle unlicensed spectrum according to the UL grant and the UCI to be transmitted.2. The method of claim 1 , wherein when the UE is configured to have simultaneous Physical Uplink Control Channel (PUCCH) and Physical Uplink Shared Channel (PUSCH) transmission claim 1 , the process of the UE transmitting the UCI through the pre-defined location and the pre-defined format in the licensed spectrum and/or the pre-defined location and the pre-defined format in the idle unlicensed spectrum according to the UL grant and the UCI to be transmitted comprises:if a carrier with a smallest secondary cell index (SCellIndex ) in the UL grant is an unlicensed carrier according to the UL grant, the ...

Method and System for Implementing Service Scheduling, Base Station, and User Equipment

Disclosed are a method, system, evolved Node B (eNB) and User Equipment (UE) for implementing service scheduling. The method includes: an eNB sends time-domain scheduling information of Single Cell-Point To Multipoint (SC-PTM) Multimedia Broadcast Multicast Service (MBMS) to a UE, the time-domain scheduling information is used for indicating a position of a time-domain subframe where the MBMS is located, and a Physical Downlink Control Channel (PDCCH) of the time-domain subframe includes frequency-domain scheduling information of the MBMS. A UE receives time-domain scheduling information, performs blind detection at a position of a time-domain subframe indicated by the time-domain scheduling information, determines a PDCCH including frequency-domain scheduling information of MBMS, and reads the frequency-domain scheduling information on the PDCCH. The UE receives the MBMS on a Physical Downlink Share Channel (PDSCH) on the basis of the read frequency-domain scheduling information.

Network Operations Related to Receiving Positioning SRS Transmissions

A base station serves as a positioning node for locating a user equipment (UE). The base station receives information from a network component indicating the UE is transmitting positioning sounding reference signals (SRS), monitors for the positioning SRS based on, at least, the information and when positioning SRS are received from the UE, transmits SRS information to the network.

Measurement gap sharing between radio resource management and positioning reference signal measurements

Disclosed are techniques for wireless positioning. In an aspect, a user equipment (UE) receives a positioning reference signal (PRS) configuration, the PRS configuration indicating at least a muting bitmap, a muting type, a PRS periodicity, or any combination thereof, receives a measurement gap configuration, the measurement gap configuration indicating one or more measurement gaps and a measurement gap periodicity, and performs positioning measurements, mobility measurements, or both within the one or more measurement gaps based on a carrier-specific scaling factor (CSSF) for the one or more measurement gaps, the CSSF determined based on the PRS periodicity, the measurement gap periodicity, a size of the muting bitmap, the muting type, or any combination thereof.

Session description protocol mechanisms for signaling radio access network capabilities in multimedia telephony sessions

Systems, apparatuses, methods, and computer-readable media are provided for negotiating Radio Access Network (RAN)-level capabilities toward improving end-to-end quality of Internet Protocol Multimedia Subsystem (IMS) communication sessions, such as Voice over Long-Term Evolution (VoLTE) calls. Disclosed embodiments include Session Description Protocol-based mechanisms to signal the RAN-level capabilities. The RAN-level capabilities may include, for example, delay budget information signaling, Transmission Time Interval bundling, RAN frame aggregation, RAN-assisted codec adaptation or access network bitrate recommendation, and/or other like capabilities. Other embodiments may be described and/or claimed.

FREQUENCY / TIME SELECTIVE PRECODING FOR POSITIONING REFERENCE SIGNALS

Disclosed are techniques for transmitting and processing reference signals for positioning estimation over a multipath multiple-input multiple-output (MIMO) channel. In aspects, a first node configures first and second reference signal resource sets for transmission of first and second sets of reference signals, wherein the first and second reference signal resource sets occur on first and second subbands of, and/or during first and second time intervals on, the MIMO channel, wherein each reference signal resource in the first and second reference signal resource sets utilize at least first and second MIMO precoders, and transmits, to a second node over the MIMO channel, the first and second sets of reference signals, wherein the first node transmits the first and second sets of reference signals to assist the second node to perform a positioning measurement based on joint processing of the first and second sets of reference signals. 1. An apparatus for transmitting reference signals for positioning estimation over a multipath multiple-input multiple-output (MIMO) channel , comprising: configure a first reference signal resource set for transmission of a first set of reference signals, wherein the first reference signal resource set occurs on a first subband of the MIMO channel and/or during a first time interval on the MIMO channel, and wherein each reference signal resource in the first reference signal resource set utilizes at least a first MIMO precoder; and', 'configure a second reference signal resource set for transmission of a second set of reference signals, wherein the second reference signal resource set occurs on a second subband of the MIMO channel and/or during a second time interval on the MIMO channel, and wherein each reference signal resource in the second reference signal resource set utilizes at least a second MIMO precoder; and, 'at least one processor of a first node configured to transmit, to a second node over the MIMO channel, the first set ...

BLOCK BASED PREAMBLE DESIGN FOR AUTONOMOUS UPLINK TRANSMISSIONS

Methods, systems, and devices for wireless communications are described. A base station may assign a set of preamble blocks for autonomous uplink transmissions from a preamble block pool. A user equipment (UE) may identify indices for each of a set of indexed sequences to be transmitted over the set of preamble blocks. The UE may select or identify the indices by performing an encoding procedure on a set of parameters. The indices may be applied to the pool of indexed sequences, and the resulting set of sequences may be transmitted over the set of assigned preamble blocks. The base station may recognize composite sequences transmitted from UEs on respective sets of preamble blocks based on the set of sequences. Thus, the base station may identify a data transmission from the UE based on monitoring for and identifying the set of sequences transmitted on the preamble blocks. 1. A method of wireless communication at a user equipment (UE) , comprising:identifying a set of preamble blocks for autonomous uplink transmissions, the set of preamble blocks being assigned by a base station from a pool of preamble blocks;identifying an index for each preamble block of the set of preamble blocks, each of the identified indices corresponding to one of a set of indexed sequences;transmitting one or more of the indexed sequences over the set of preamble blocks, the one or more of the indexed sequences corresponding to the identified indices for the set of preamble blocks; andtransmitting a data transmission during a transmission time interval (TTI) associated with the set of preamble blocks.2. The method of claim 1 , wherein identifying the index for each preamble block of the set of preamble blocks further comprises:identifying a set of parameters, the set of parameters comprising a cell identifier, a UE identifier, a timing index, a parameter received via downlink control information (DCI) signaling or radio resource control (RRC) signaling, or a combination thereof.3. The method ...

COMMUNICATION SYSTEM, COMMUNICATION DEVICE, METHOD, AND RECORDING MEDIUM OF PROGRAM

A receive terminal setting a non-delivery determination time for determining that a next data packet is not delivered after transmitting an acknowledgement (ACK) packet for a received data packet; when the next data packet is not delivered within the non-delivery determination time, the receive terminal repeatedly transmits a retransmission request (RACK) packet prompting the transmission of the next data packet; a transmit terminal specifies a non-delivered data packet using time difference information based on the time-of-day information of the received ACK packet and RACK packet and retransmits the specified data packet to the receive terminal; the time-of-day information here is a time stamp added by the receive terminal to each of the ACK packet and RACK packet when transmitted, or a time stamp added by the transmit terminal to each of the ACK packet and RACK packet when received. 1. (canceled)2. A communication device comprisinga retransmission controller configured to, when receiving a retransmission request (RACK) packet prompting transmission of a next data packet that is repeatedly transmitted by a reception side at an unarrival determination time interval for determining that a next data packet does not arrive on and after reception of an acknowledgement (ACK) packet returned by the reception side for a transmitted data packet, specify a data packet that has not reached the reception side, by use of time difference information based on time information of the most recently received ACK packet or the most recently received RACK packet and time information of the currently received RACK packet, and then retransmit the specified data packet, whereinthe time information is a time stamp added by the reception side to each of the ACK packet and the RACK packet when transmitted, or a time stamp added by the retransmission controller to each of the ACK packet and the RACK packet when received.3. The communication device according to claim 2 , whereinthe ...

METHOD FOR SUPPORTING MULTIPLE TRANSMISSION TIME INTERVALS, MULTIPLE SUBCARRIER INTERVALS, OR MULTIPLE PROCESSING TIME INTERVALS IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR

A method for transmitting uplink control information for a terminal supporting multiple transmission time interval (TTI) lengths, multiple subcarrier intervals, or multiple processing time intervals in a wireless communication system according to one embodiment of the present disclosure is performed by the terminal, and may comprise the steps of: receiving a configuration for repeated transmission of HARQ-acknowledgement (ACK)/non-acknowledgement information for a downlink transmission block; and when the repeated transmission is triggered according to the configuration therefor, transmitting the HARQ-ACK information to a base station, wherein the repeated transmission is triggered when a predetermined condition is satisfied. 1. A method of transmitting uplink control information by a user equipment (UE) supporting a plurality of transmission time intervals (TTIs) , a plurality of subcarrier spacings , or a plurality of processing times in a wireless communication system , the method comprising:receiving a configuration of repeated transmission of acknowledgement/non-acknowledgement (HARQ-ACK) information for a downlink transport block; andwhen the repeated transmission is triggered, transmitting the HARQ-ACK information to a base station according to the configuration of the repeated transmission, andwherein the repeated transmission is triggered when a predetermined condition is satisfied.2. The method of claim 1 , wherein when the UE is configured with a specific TTI length or a specific processing time claim 1 , a size of a soft buffer for the downlink transport block is determined by a parameter for the specific TTI length or the specific processing time.3. The method of claim 1 , wherein a parameter is different from a parameter for a reference TTI length or a reference specific processing time.4. The method of claim 1 , wherein when the UE is configured with a specific TTI length or a specific processing time claim 1 , a size of a soft buffer for the downlink ...

Radar transmission time interval randomized radar transmissions

Certain aspects provide a method for radar detection by an apparatus. The method including transmitting a radar waveform in transmission time intervals (TTIs) to perform detection of a target object. The method further includes varying the radar waveform across TTIs based on one or more radar transmission parameters.

FRONT LOADED CSI-RS BASED FEEDBACK

A method, a computer-readable medium, and an apparatus may involve wireless communication in a bundled TTI comprising a first TTI and a second TTI. A first UE may be configured to receive a first data transmission and a first reference signal from a second UE in the first TTI, to transmit a feedback to the second UE, and to receive a second data transmission having one or more transmission parameters adapted based on the feedback in the second TTI. In certain aspects, the first UE may be configured to transmit a first data transmission and a first reference signal to a second UE in the first TTI, to receive a feedback from the second UE, to adapt one or more transmission parameters for a second data transmission in the second TTI based on the feedback, and to transmit the second data transmission to the second UE in the second TTI. 1. A method of wireless communication at a first user equipment (UE) in a bundled Transmission Time Interval (TTI) comprising at least a first TTI and a second TTI , the method comprising:receiving, at the first UE, a first data transmission directly from a second UE in the first TTI;receiving, at the first UE, a first reference signal directly from the second UE;transmitting a feedback to the second UE based on the first reference signal; andreceiving a second data transmission from the second UE in the second TTI or a subsequent TTI, the second data transmission having one or more transmission parameters adapted based on the feedback transmitted to the second UE.2. The method of claim 1 , wherein the first reference signal comprises a channel state information-reference signal (CSI-RS).3. The method of claim 2 , further comprising:receiving a second reference signal in the first TTI, the second reference signal for decoding data in the first TTI, wherein the CSI-RS is multiplexed with the second reference signal.4. The method of claim 2 , further comprising:receiving a second reference signal in the first TTI, the second reference ...

MAXIMUM CHANNEL OCCUPANCY TIME SHARING AND CO-EXISTENCE

Described is an apparatus of an Evolved Node-B (eNB) operable to communicate with a User Equipment (UE) on a wireless network. The apparatus may comprise a first circuitry, a second circuitry, and a third circuitry. The first circuitry may be operable to process one or more configuration transmissions from the eNB carrying one or more parameters for Grantless Uplink (GUL) transmission. The second circuitry may be operable to determine one or more GUL subframes of an acquired Maximum Channel Occupancy Time (MCOT) on time-domain resources allocated for GUL transmission from the UE. The third circuitry may be operable to generate a GUL transmission during the one or more GUL subframes of the acquired MCOT in accordance with the one or more parameters for GUL transmission. 122-. (canceled)23. An apparatus of a User Equipment (UE) operable to communicate with an Evolved Node-B (eNB) on a wireless network , comprising: process one or more configuration transmissions from the eNB carrying one or more parameters for Grantless Uplink (GUL) transmission;', 'determine one or more GUL subframes of an acquired Maximum Channel Occupancy Time (MCOT) on time-domain resources allocated for GUL transmission from the UE; and', 'generate a GUL transmission during the one or more GUL subframes of the acquired MCOT in accordance with the one or more parameters for GUL transmission, and, 'one or more processors toan interface for receiving configuration transmissions from a receiving circuitry and for sending GUL transmissions to a transmission circuitry.24. The apparatus of claim 23 ,wherein one or more of the GUL subframes of the MCOT are reserved subframes that overlap with at least one of a Discovery Reference Signal (DRS) window and a Physical Random Access Channel (PRACH).25. The apparatus of claim 23 , a first value indicating that a subframe N+2 can be shared, and that a remaining portion of the acquired MCOT starting from subframe N+2 comprises 8 subframes;', 'a second value ...

Method and apparatus to handle uplink (ul) information in a wireless communication system

A method and apparatus are disclosed to handle UL information. The method includes configuring a UE (User Equipment) with multiple serving cells. The method further includes transmitting, from the UE, in a subframe i a first UL control information on a physical channel of a first UL serving cell. The method also includes transmitting, from the UE, in the subframe i a second UL control information on a physical channel of a second UL serving cell, wherein if the total transmit power of the UE exceeds {circumflex over (P)} CMAX (i), the UE would scale down the transmit power of the physical channel with lower power priority based on types of the first UL control information and the second UL control information.

METHOD AND APPARATUS TO HANDLE TTI (TRANSMISSION TIME INTERVAL) BUNDLING IN A WIRELESS COMMUNICATION SYSTEM

A method and apparatus are disclosed to handle TTI bundling. In an embodiment implemented in a UE (User Equipment), the method includes configuring the UE with a plurality of serving cells, wherein the TTI bundling and secondary cells with configured UL (uplink) could be simultaneously configured for the UE. In an embodiment from the perspective of a network, the method includes issuing, from a E-UTRAN (Evolved Universal Terrestrial Radio Access Network), a message to configure a UE with a plurality of serving cells, wherein the E-UTRAN could simultaneously configure the TTI bundling and the secondary cells with configured UL for the UE. 1. A method to handle TTI (Transmission Time Interval) bundling , comprising:configuring a UE (User Equipment) with a plurality of serving cells,wherein the TTI bundling and secondary cells with configured UL (uplink) could be simultaneously configured for the UE.2. The method of claim 1 , wherein the configured serving cells with configured UL for the UE are configured or scheduled by different eNBs (evolved Node B).3. The method of claim 1 , wherein:if the UE has sufficient configuration information to know that the configured serving cells with configured uplink are configured or scheduled by different eNBs, the TTI bundling and the secondary cells with configured uplink could be simultaneously configured for the UE;if the UE has sufficient configuration information to know that the configured serving cells with configured UL are configured or scheduled by a same eNB, the TTI bundling and the secondary cells with configured UL would not be simultaneously configured for the UE; andif the UE has no configuration information to know whether the configured serving cells with configured UL are configured or scheduled by different eNBs or not, the TTI bundling and the secondary cells with configured UL would not be simultaneously configured for the UE.4. The method of claim 3 , wherein the configuration information is the cell type of ...

Method and Apparatus for Channel State Information Measurement

The embodiments of the present document provide a method and apparatus for measuring channel state information, wherein the method includes: a terminal device determining one or more downlink subframes which are located before a subframe where aperiodic Channel State Information (CSI) report trigger information is located and belong to a specified subframe group to be CSI reference resources for the specified subframe group; and the terminal device acquiring a CSI measurement result on the CSI reference resources and generating a CSI report corresponding to the specified subframe group. 1. A method for measuring Channel State Information (CSI) , comprising:a terminal device determining one or more downlink subframes which are located before a subframe where aperiodic CSI report trigger information is located and belong to a specified subframe group to be CSI reference resources for the specified subframe group; andthe terminal device acquiring a CSI measurement result on the CSI reference resources and generating a CSI report corresponding to the specified subframe group.2. The method for measuring CSI according to claim 1 , wherein a terminal device determining one or more downlink subframes which are located before a subframe where aperiodic CSI report trigger information is located and belong to a specified subframe group to be CSI reference resources for the specified subframe group comprises:the terminal device determining a downlink subframe with a subframe number of n-i which belongs to a specified subframe group to be a CSI reference resource for the specified subframe group,wherein n is a subframe number of a subframe where the aperiodic CSI report trigger information is located and i is an integer greater than or equal to a non-negative integer s.3. The method for measuring CSI according to claim 2 , wherein a radio frame where the downlink subframe with a subframe number of n-i is located and a radio frame where a downlink subframe with a subframe number ...

Method of transmitting and receiving downlink signal in unlicensed band in wireless communication system and apparatus therefor

Provided is a method of transmitting data by sensing a channel in an unlicensed band including sensing a channel on a secondary cell (S-cell) on which data is to be transmitted in the unlicensed band and if it is determined that the channel is in an unoccupied state, transmitting data to a reception node in one of a plurality of flexible TX time windows configured in advance or transmitting a reservation signal to the reception node in one of a plurality of data transmission prohibit windows configured in advance for the data transmission. The plurality of the flexible TX time windows and The plurality of the data transmission prohibit windows are configured to respectively have a boundary of a transmission unit shifted from a boundary of a transmission unit of a primary cell (P-cell) transmission structure by a specific time.

Ultra-large bandwidth data transmission method, device and computer storage medium

The present invention embodiment discloses an ultra-large bandwidth data transmission method, device and computer storage medium, said method comprising: a data transmission device sending data in accordance with a sub-frame level approach at a specified bandwidth of a long term evolution (LTE) system; wherein, the sampling rate of the data transmission device is m/n times a sampling rate corresponding to said specified bandwidth LTE system, m and n being positive integers. 1. An ultra-large bandwidth data transmission method , comprising:transmitting, by a data transmission device, data in a subframe level manner of a Long Term Evolution (LTE) system with a specific bandwidth,wherein a sampling rate of the data transmission device is m/n times of a sampling rate corresponding to the LTE system with the specific bandwidth, m and n being positive integers.2. The method according to claim 1 , wherein transmitting claim 1 , by the data transmission device claim 1 , the data in the subframe level manner of the LTE system with the specific bandwidth comprises:when the data transmission device transmits the data, adopting a Fast Fourier Transformation (FFT) point number corresponding to the LTE system with the specific bandwidth, a sampling point number corresponding to Cyclic Prefix (CP), a data subcarrier number and a number of Orthogonal Frequency Division Multiplexing (OFDM) symbols in a subframe,wherein the specific bandwidth comprises 1.4 MHz bandwidth, 3 MHz bandwidth, 5 MHz bandwidth, 10 MHz bandwidth and 20 MHz bandwidth.3. The method according to claim 1 , wherein transmitting claim 1 , by the data transmission device claim 1 , the data in the subframe level manner of the LTE system with the specific bandwidth comprises:transmitting, by the data transmission device, the data using a radio frame containing 10 subframes; or,transmitting, by the data transmission device, the data using a radio frame containing a specific number of subframes, the specific number of ...

MULTI-SUBFRAME UPLINK SCHEDULING IN UNLICENSED SPECTRUM

Systems, apparatus, user equipment (UE), evolved node B (eNB), computer readable media, and methods are described for scheduling of multiple uplink transmissions in unlicensed spectrum. One embodiment involves receiving, at an eNB, first uplink scheduling request from a UE, scheduling a plurality of uplink subframes on the unlicensed channel in response to the first uplink scheduling request, and initiating transmission of a first subframe to the first UE in response to the scheduling of the plurality of uplink subframes, wherein the first subframe comprises one or more downlink control indicators (DCIs) allocating the plurality of uplink subframes to the first UE. 125-. (canceled)26. An apparatus , comprising:{'claim-text': {'claim-text': ['scheduling information for respective uplink transmissions of the first plurality of uplink transmissions, wherein the uplink transmissions of the first plurality of uplink transmissions are scheduled to be contiguous in time;', 'bits to carry respective configurations including respective new data indicators and respective redundancy versions for the respective uplink transmissions of the first plurality of uplink transmissions; and', 'an indication of the offset from the first DCI to a first uplink transmissions of the first plurality of uplink transmissions.'], '#text': 'transmit a first downlink control information (DCI) message to a first UE scheduling a first plurality of uplink transmissions to the first UE, the first DCI message including:'}, '#text': 'a processor configured to cause a base station (BS) to:'}27. The apparatus of claim 26 , wherein the first plurality of uplink transmissions is preceded by a listen-before-talk procedure.28. The apparatus of claim 26 , wherein the first DCI is transmitted to the first UE using a physical downlink control channel (PDCCH) claim 26 , wherein a control channel region of the PDCCH is not limited to a first three orthogonal frequency division multiplexing (OFDM) symbols.29. The ...

FEEDBACK INFORMATION SENDING METHOD, FEEDBACK INFORMATION RECEIVING METHOD, TERMINAL DEVICE, AND ACCESS NETWORK DEVICE

Embodiments of the present invention relate to the field of communications technologies, and provide a feedback information sending method, a terminal device, and an access network device, so as to send feedback information on an unlicensed spectrum. According to the embodiments of the present invention, the terminal device receives, in a downlink subframe in a downlink subframe set, downlink data, and then determines, in at least one uplink burst, a sending subframe used for sending feedback information corresponding to the downlink data, where the downlink subframe set is a subset of a set consisting of a downlink subframe associated with the sending subframe, and each of the at least one uplink burst includes at least one uplink subframe; and then sends, in the sending subframe, the feedback information. The solutions provided in the embodiments of the present invention are used when the feedback information is sent. 1. A feedback information sending method , comprising:receiving, by a terminal device in a downlink subframe in a downlink subframe set of a downlink burst, downlink data sent by an access network device;determining, by the terminal device in at least one uplink burst, a sending subframe used for sending feedback information corresponding to the downlink data, wherein the downlink subframe set is a subset of a set consisting of a downlink subframe associated with the sending subframe, the at least one uplink burst follows the downlink burst, and each of the at least one uplink burst comprises at least one uplink subframe; andsending, by the terminal device in the sending subframe, the feedback information to the access network device.2. The method according to claim 1 , wherein the determining claim 1 , by the terminal device in at least one uplink burst claim 1 , a sending subframe used for sending feedback information corresponding to the downlink data comprises:determining, by the terminal device in the at least one uplink burst, a candidate ...

USER TERMINAL, RADIO BASE STATION, AND RADIO COMMUNICATION METHOD

To appropriately communicate even when a shortened TTI is applied. A user terminal that communicates using a first Transmission Time Interval (TTI) and a second TTI whose TTI length is shorter than a TTI length of the first TTI, includes a receiving section that receives an L1/L2 control channel transmitted from a radio base station, and a control section that controls receiving of a first L1/L2 control channel transmitted for each first TTI and a second L1/L2 control channel transmitted at the second TTI. 120.-. (canceled)21. A user terminal comprising:a receiving section that monitors a first downlink control channel in a first Transmission Time Interval (TTI) among a plurality of TTIs within a subframe and monitors a second downlink control channel in a specific TTI other than the first TTI among the plurality of TTIs; anda control section that decodes a downlink shared channel in the first TTI based on the first downlink control channel and decodes a downlink shared channel in the specific TTI based on the second downlink control channel.22. The user terminal according to claim 21 , wherein the receiving section monitors the second downlink control channel in two resources that are configured by higher layer signaling. The present invention relates to a user terminal, a radio base station, and a radio communication method in a next generation mobile communication system.In Universal Mobile Telecommunication System (UMTS) networks, for the purpose of higher data rates, low latency, and the like, Long Term Evolution (LTE) has been specified (Non-Patent Literature 1). For the purpose of achieving further broadbandization and increased speed beyond LTE (in other words, LTE Re1.8), LTE-ADVANCED (in other words, LTE Re1.10, 11, or 12) is specified, and a succeeding system (of LTE Re1.13 and after LTE Re1.13) is also examined.In LTE Re1.10/11, for broadbandization, Carrier Aggregation (CA) that aggregates a plurality of Component Carriers (CCs) has been introduced. ...

METHOD FOR INDICATING PRECODING INFORMATION, USER EQUIPMENT, AND ACCESS NETWORK ENTITY

A method for indicating precoding information, user equipment (UE) and an access network entity are provided according to the disclosure. The method includes: receiving, by a user equipment (UE), a control signaling transmitted by an access network entity; determining, by the UE, a multilevel codebook index in response to the control signaling; and determining, by the UE, a target precoding matrix based on the multilevel codebook index and a multilevel codebook obtained in advance. 1. A method for indicating precoding information , comprising:receiving, by a user equipment (UE), a control signaling transmitted by an access network entity;determining, by the UE, a multilevel codebook index in response to the control signaling; anddetermining, by the UE, a target precoding matrix based on the multilevel codebook index and a multilevel codebook obtained in advance.2. The method according to claim 1 , wherein the receiving claim 1 , by the UE claim 1 , the control signaling transmitted by the access network entity comprises:receiving, by the UE, a multilevel control signaling transmitted by the access network entity, wherein codebook indexes of different levels are carried in different levels of the multilevel control signaling.3. The method according to claim 1 , wherein the receiving claim 1 , by the UE claim 1 , the control signaling transmitted by the access network entity comprises:receiving, by the UE, a plurality of control signalings transmitted by the access network entity, wherein codebook indexes of different levels are carried in different control signalings.4. The method according to claim 1 , wherein the receiving claim 1 , by the UE claim 1 , the control signaling transmitted by the access network entity comprises:receiving, by the UE, one or more control signalings transmitted by the access network entity, wherein a codebook index of a part level in the multilevel codebook index is carried in the one or more control signalings; and 'determining, by the ...

Effective Master Information Block Acquisition for a User Equipment Device

According to certain embodiments, a user equipment (UE) (), comprises an interface () configured to receive one or more symbols at the start of a first transmission time interval (TTI) of a channel. The UE further comprises processing circuitry () operably coupled to the interface (). The processing circuitry () configured to obtain a signal quality estimate based on at least one of the one or more symbols; compare the signal quality estimate to a signal quality threshold; and determine, based on the comparison, whether to process the channel in the first TTI. 1. A method for use in a user equipment (UE) , comprising:receiving one or more symbols at the start of a first transmission time interval (TTI) of a channel;obtaining a signal quality estimate based on at least one of the one or more symbols;comparing the signal quality estimate to a signal quality threshold; anddetermining, based on the comparison, whether to process the channel in the first TTI.2. The method of claim 1 , wherein determining claim 1 , based on the comparison claim 1 , whether to process the channel in the first TTI comprises;processing the channel in the first TTI if the signal quality estimate is greater than the signal quality threshold; andskip processing the channel in the first TTI if the signal quality estimate is lower than the signal quality threshold.3. The method of claim 1 , wherein the channel is a broadcast channel.4. The method of claim 1 , wherein prior to receiving the one or more symbols claim 1 , the method further comprises:receiving a request to perform one or more operations related to die channel within a time period, the time period comprising at least two TTIs of the channel.5. The method of claim 4 , wherein the one or more operations related to the channel comprise one or more of:receiving one or more of information, data, and control information over the channel;acquiring a cell global identifier (CGI);acquiring a master information block (MIB);acquiring a waster ...

User terminal and radio communication method

The present invention is designed so that DL controls channels are monitored adequately even when the unit of scheduling in the time direction is subject to control. According to the present invention, a user terminal monitors a downlink (DL) control channel and receives downlink control information (DCI), and this user terminal has a receiving section that receives time interval information, which shows a time interval for monitoring the DL control channel, and a control section that controls monitoring of the DL control channel based on the time interval information.

TECHNIQUES FOR POWER CONTROL USING CARRIER AGGREGATION IN WIRELESS COMMUNICATIONS

Methods, systems, and devices for wireless communications are described that provide for managing transmissions using multiple component carriers (CCs) in which transmissions using one or more of the CCs may span less than a full transmission time of a slot or other transmission time interval. A UE may signal a capability to transmit such transmissions, and one or more capabilities related to carrier aggregation that may be used by a base station for scheduling of transmissions on different CCs. In the event that overlapping transmissions on two or more CCs exceed a maximum power threshold, various techniques for dropping at least a portion of one or more transmissions of one or more CCs are described. 1. A method for wireless communication , comprising:establishing, at a user equipment (UE), a connection with a base station, the connection supporting two or more component carriers (CCs) within a timing advance group (TAG);identifying, at the UE, a capability for supporting transmissions that have different starting times or durations on different CCs; andtransmitting an indication of the capability to the base station.2. The method of claim 1 , wherein the identifying comprises identifying the capability for supporting transmissions that have different starting times or durations for each of a plurality of different frequency bands or combinations of different frequency bands.3. The method of claim 2 , wherein the capability for supporting different starting times or durations for each of the plurality of different frequency bands or combinations of different frequency bands is determined based at least in part on a number of RF chains available for transmissions at the UE.4. The method of claim 2 , wherein the plurality of different frequency bands or combinations of different frequency bands include intra-band contiguous carrier frequencies per RF chain at the UE.5. The method of claim 2 , wherein the plurality of different frequency bands or combinations of ...

Filterless multiple input multiple output (mimo) reception

Some techniques and apparatuses described herein protect components of a user equipment (UE), such as a low noise amplifier (LNA), from internal interference. For example, the LNA may be disconnected from a receive chain during periods of high internal interference, and may be reconnected to the receive chain during periods of low internal interference. Furthermore, some techniques and apparatuses described herein improve performance by adjusting operations of the UE to account for and/or offset increased internal interference due to a receive chain that does not include a surface acoustic wave (SAW) filter to remove unwanted radio frequency signals. For example, one or more operations of a baseband processor may be modified to account for the increased internal interference. Additionally, or alternatively, reporting of channel state information may be modified to account for increased internal interference of the UE. Additional details are described herein.

METHOD FOR TRANSMITTING SIGNAL BY TERMINAL IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE USING METHOD

Provided are a method for transmitting a signal by a terminal in a wireless communication system, and a terminal using the method. The method comprises: selecting a method for transmitting from a first symbol and a last symbol among a plurality of symbols included in a transmission time interval; and transmitting a signal from the first symbol and the last symbol by using the selected transmission method, wherein the selected transmission method is a first transmission method or a second transmission method, the first transmission method being a transmission method for transmitting the signal by using a symbol determined for a first subcarrier spacing in time domain and subcarriers spaced a certain distance apart from each other in frequency domain, and the second transmission method being a transmission method for transmitting the signal by using a symbol determined for a second subcarrier spacing in time domain and consecutive subcarriers in frequency domain. 1. A signal transmission method of a terminal in a wireless communication system , the method comprising:selecting a transmission scheme in a first symbol and a last symbol among a plurality of symbols comprised in a transmission time interval (TTI); andtransmitting the signal in the first symbol and the last symbol by using the selected transmission scheme,wherein the selected transmission scheme is a first transmission scheme or a second transmission scheme,wherein the first transmission scheme is a transmission scheme in which the signal is transmitted by using one symbol determined for a first subcarrier spacing in a time domain and subcarriers spaced apart with a specific interval in a frequency domain, andwherein the second transmission scheme is a transmission scheme in which the signal is transmitted by using one symbol determined for a second subcarrier spacing in the time domain and subcarriers consecutive in the frequency domain.2. The method of claim 1 , wherein a length in a time domain of the ...

METHOD AND APPARATUS FOR LOW-LATENCY TRANSMISSION USING SHARED SR-LESS RESOURCES

A method of operating a network node in a Radio Access Network includes configuring a first User Equipment with a first transmission pattern indicating time-frequency resources and configuring a second UE with a second transmission pattern indicating time-frequency resources. The method further includes receiving a first signal comprising a first message from the first UE, using a first time-frequency resource indicated by the first transmission pattern and receiving a second signal comprising a second message from the second UE, using a second time-frequency resource indicated by the second transmission pattern. The first and second time-frequency resources, at least partly, overlap. Further, the method includes decoding the first or the second message, based on a received third signal comprising the first message from the first UE, wherein the third signal is received using a third time-frequency resource indicated by the first transmission pattern. 1. A method for operating a network node , the method comprises:configuring a first User Equipment (UE) with a first transmission pattern indicating time-frequency resources;configuring a second UE with a second transmission pattern indicating time-frequency resources;receiving a first signal comprising a first data packet from the first UE, using a first time-frequency resource indicated by the first transmission pattern;receiving a second signal comprising a second message from the second UE, using a second time-frequency resource indicated by the second transmission pattern, wherein the first and second time-frequency resources, at least partly, overlap; anddecoding the second message, based on a received third signal comprising the first message from the first UE, wherein the third signal is received using a third time-frequency resource indicated by the first transmission pattern.2. The method of claim 1 , wherein decoding comprises:performing interference cancellation (IC).3. The method of claim 1 , further ...

DEACTIVATION TIMER IN A WIRELESS DEVICE AND WIRELESS NETWORK

A wireless device receives one or more messages comprising configuration parameters for a plurality of cells comprising a secondary cell. A deactivation timer may be disabled for the secondary cell in response to the configuration parameters comprising periodic resource allocation configuration parameters for configuring a periodic resource allocation of the secondary cell. A downlink control information (DCI) indicating activation of the periodic resource allocation may be received. The DCI may comprise a radio resource assignment. One or more transport blocks (TBs) employing the radio resource assignment may be transmitted. 1. A method comprising:receiving, by a wireless device, one or more messages comprising configuration parameters for a plurality of cells comprising a secondary cell;disabling a deactivation timer for the secondary cell in response to the configuration parameters comprising periodic resource allocation configuration parameters for configuring a periodic resource allocation of the secondary cell;receiving a downlink control information (DCI) indicating activation of the periodic resource allocation, the DCI comprising a radio resource assignment; andtransmitting one or more transport blocks (TB s) employing the radio resource assignment.2. The method of claim 1 , wherein the periodic resource allocation is semi-persistent scheduling.3. The method of claim 1 , further comprising enabling the deactivation timer for the secondary cell in response to the periodic resource allocation being released.4. The method of claim 3 , wherein the periodic resource allocation is explicitly released.5. The method of claim 3 , wherein the periodic resource allocation is implicitly released.6. The method of claim 3 , wherein the periodic resource allocation is released in response to the secondary cell being released and reconfigured without periodic resource allocation.7. A method comprising: a plurality of cells comprising a secondary cell;', 'periodic resource ...

Grant validation in a wireless device and wireless network

A wireless device receives one or more messages. The one or more messages may comprise a first RNTI for a first SPS and a second for a second SPS. A downlink control information (DCI) corresponding to one of the first RNTI or the second RNTI may be received. The DCI may be validated, at least based on a cyclic shift value associated with the DCI, if the DCI corresponds to the first RNTI. Otherwise, the DCI may be validated without considering the cyclic shift value. One of the first SPS or the second SPS, corresponding to the DCI, may be activated in response to the validating being successful.

DORMANCY TIMER ADJUSTMENT IN A WIRELESS ACCESS NODE BASED ON WIRELESS DEVICE APPLICATION STATUS

A wireless communication device determines user interface activity initiated by a user application. The wireless communication device determines a timer setting based on the user interface activity initiated by the user application. The wireless communication device wirelessly transfers the timer setting to a wireless communication network. The wireless communication device exchanges wireless communications initiated by the user application with the wireless communication network. The wireless communication network uses a dormancy timer based on the user interface activity initiated by the user application. 1. A method of operating a wireless communication device , the method comprising:determining user interface activity initiated by a user application;determining a timer setting based on the user interface activity initiated by the user application;wireles sly transferring the timer setting to a wireless communication network; andexchanging wireless communications initiated by the user application with the wireless communication network, wherein the wireless communication network uses a dormancy timer based on the user interface activity initiated by the user application.2. The method of wherein determining the timer setting based on the user interface activity comprises selecting the timer setting to reduce the dormancy timer in response to a level of user interface activity below a threshold.3. The method of wherein determining the timer setting based on the user interface activity comprises selecting the timer setting to reduce the dormancy timer to zero in response to a level of user interface activity below a threshold.4. The method of wherein determining the timer setting based on the user interface activity comprises selecting the timer setting to reduce the dormancy timer if the user interface activity indicates the user application is running in the background.5. The method of wherein determining the timer setting based on the user interface activity ...

METHOD AND DEVICE IN UE AND BASE STATION FOR MULTI-ANTENNA TRANSMISSION

The disclosure provides a method and a device in a User Equipment (UE) and a base station for multi-antenna transmission. The UE transmits a first radio signal in a first time interval, and receives a second radio signal in a second time interval; and then monitors a third radio signal in a third time interval. The first radio signal comprises first information, and the second radio signal comprises second information. Target information is used for a multi-antenna related receiving in the third time interval. A time-domain position of the second time interval is used for determining whether the target information is the first information or the second information. A time-domain position of the third time interval is associated to a time-domain position of the first time interval. The UE can select a beam direction corresponding to a downlink channel according to its measurement, thereby improving efficiency and performances of downlink transmission. 1. A method in a User Equipment (UE) for multi-antenna transmission , comprising:transmitting a first radio signal in a first time interval, and receiving a second radio signal in a second time interval; andmonitoring a third radio signal in a third time interval;wherein the first radio signal comprises first information, and the second radio signal comprises second information; target information is used for a multi-antenna related receiving in the third time interval; a time-domain position of the second time interval is used for determining whether the target information is the first information or the second information; and a time-domain position of the third time interval is associated to a time-domain position of the first time interval; the multi-antenna related receiving refers to generation of a beamforming matrix for receiving; or the multi-antenna related receiving refers to a receiving corresponding to one multi-antenna transmission scheme in SFBC, STBC, Precoder Cycling or Transmit beamforming; or the ...

METHOD AND APPARATUS FOR DETERMINING QUASI CO-LOCATION REFERENCE SIGNAL SET, NETWORK DEVICE, AND STORAGE MEDIUM

Provided are a method and an apparatus for determining a quasi co-location reference signal, a network device, and a storage medium. First information is determined according to signaling information and/or a predetermined rule, and a quasi co-location reference signal set of a port group included in a data channel and/or a data signal is determined according to the first information. 1. A method for determining a quasi co-location reference signal set , comprising:determining first information according to signaling information and/or a predetermined rule; anddetermining, according to the first information, a quasi co-location reference signal set of a port group comprised in a data channel and/or a signal, wherein the first information comprises at least one of the following: a time interval between the data channel and/or the signal and a control channel for scheduling the data channel and/or the signal, a number of reference signal elements of a control channel element, a number of reference signal elements of the data channel and/or the signal, an index of the reference signal elements of the control channel element, an index of the reference signal elements of the data channel and/or the signal; a time interval between the data channel and/or the signal and a control channel for scheduling the data channel and/or the signal is less than a predetermined threshold; or', 'a control channel for scheduling the data channel and/or the signal does not include TCI;, 'wherein the data channel and/or the signal satisfies one of the following characteristics in a case where capability information reported by a communication node belongs to a predetermined set of {14 time domain symbols, 28 time domain symbols, and 48 time domain symbols}, determining the threshold as the capability information reported by the communication node; or,', 'in a case where capability information reported by the communication node does not belong to the predetermined set of {14 time domain ...

Cross Carrier Scheduling with Multiple Active Bandwidth Parts

Wireless communications using multiple active resources (e.g., bandwidth parts (BWP)) are described. At least one of multiple active resources (e.g., BWPs) of a first cell may be selected to send scheduling information (e.g., cross-carrier scheduling information) for other cells. A base station may send downlink control information (DCI) for scheduling (e.g., cross-carrier scheduling) a second cell using the selected BWP. A wireless device may monitor a physical downlink control channel (PDCCH) of the selected BWP to detect the DCI for scheduling (e.g., cross-carrier scheduling) the second cell. 1. A method comprising:receiving, by a wireless device, configuration parameters that indicate cross-carrier scheduling of a second cell via a first cell;monitoring a downlink control channel of a first bandwidth part (BWP), of at least two active BWPs associated with the first cell, for cross-carrier scheduling of the second cell; andreceiving, via the first BWP during the monitoring, downlink control information (DCI) that indicates radio resources for the second cell.2. The method of claim 1 , further comprising:determining the first BWP based on BWP indexes of the at least two active BWPs.3. The method of claim 1 , wherein:the first BWP is a primary BWP;a second BWP of the at least two active BWPs is a secondary BWP; anddetermining the first BWP is based on the first BWP being the primary BWP.4. The method of claim 1 , further comprising at least one of:receiving, via downlink radio resources of the radio resources for the second cell, a downlink transport block; orsending, via uplink radio resources of the radio resources for the second cell, an uplink transport block.5. The method of claim 1 , further comprising:switching from the first BWP to a third BWP of the first cell as an active BWP; monitoring a downlink control channel of the third BWP, during a time period in which the third BWP and a second BWP are both active, for cross-carrier scheduling of the second cell ...

System and Method for SRS Switching, Transmission, and Enhancements

User Equipments (UEs) may be assigned a set of aggregated component carriers for downlink carrier aggregation and/or carrier selection. Some UEs may be incapable of transmitting uplink signals over all component carriers in their assigned set of aggregated component carriers. In such scenarios, a UE may need to perform SRS switching in order to transmit SRS symbols over all of the component carriers. Embodiments of this disclosure provide various techniques for facilitating SRS switching. For example, a radio resource control (RRC) message may be used to signal a periodic SRS configuration parameter. As another example, a downlink control indication (DCI) message may be used to signal an aperiodic SRS configuration parameter. Many other examples are also provided. 1. A method comprising:transmitting, by a user equipment (UE), a first uplink signal over a first carrier during a first period, the first uplink signal carrying at least a first sounding reference signal (SRS) symbol;switching, by the UE, from the first carrier to a second carrier, wherein an RF retuning time is associated with switching from the first carrier to the second carrier; andtransmitting, by the UE, a second uplink signal over the second carrier during a second period, the second uplink signal carrying at least one of a second SRS symbol and a random access preamble.2. The method of claim 1 , wherein the first carrier and the second carrier are in same band.3. The method of claim 1 , wherein the first carrier and the second carrier are in different bands.4. The method of claim 1 , wherein the RF retuning time is a capability of the UE associated with the respective bands.5. The method of claim 4 , further comprising:sending, by the UE, an uplink control message to a base station, the uplink control message specifying a duration of the RF retuning time.6. The method of claim 5 , wherein the uplink control message includes two or more bits indicating the duration of the uplink or downlink RF ...

Method and device for dynamically determining a pilot pattern

A method and a device for determining dynamically a pilot pattern are provided. The method includes acquiring a TTI duration occupied by transmission of data, and determining a pilot pattern according to the TTI duration occupied by the transmission of the data.

Uplink (ul) frequency-division duplex (fdd) subframe

Various aspects provide a subframe for uplink (UL) communication in a frequency-division duplex (FDD) configuration. Control information in the frequency range of the UL communication may include channel quality indicator (CQI) and acknowledgement (ACK) information. The CQI information may be provided prior to a demodulation reference signal (DMRS). The ACK information may be provided subsequent to another DMRS. The CQI information may be time-division multiplexed in a common frequency range as the ACK information. A sounding reference signal (SRS) may be provided as an initial symbol of the subframe. Some CQI information may be provided in two or more separate portions that are each prior to a separate DMRS. Some ACK information may be provided in two or more separate portions that are each subsequent to another separate DMRS.

UPLINK CHANNEL QUALITY MEASUREMENT USING A SUBFRAME WITH HIGH-INTENSITY REFERENCE SIGNAL BURSTS

Aspects of the present disclosure provide a wireless device that communicates with another wireless device utilizing self-contained subframes. The wireless device communicates with a scheduling entity utilizing a plurality of self-contained subframes that include a first subframe and a second subframe. Each of the self-contained subframes includes an uplink (UL) portion and a downlink (DL) portion. The wireless device further receives DL control information from the scheduling entity in the DL portion of the first subframe, and transmits UL data that includes a plurality of reference signal bursts to the scheduling entity in the UL portion of the first subframe. The plurality of reference signal bursts are uniformly spaced in at least a portion of the UL portion of the first subframe. 1. A communication apparatus, method, or system, substantially as herein described. This application is a continuation application of U.S. patent application Ser. No. 15/251,904 filed in the United States Patent and Trademark Office on Aug. 30, 2016, which claims priority to and the benefit of provisional patent application No. 62/311,023 filed in the United States Patent and Trademark Office on Mar. 21, 2016, the entire content of which is incorporated herein by reference.The technology discussed below relates generally to wireless communication systems, and more particularly, wireless communication utilizing self-contained subframes with reference signal symbols for measuring channel quality.Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, and broadcasts. Typical wireless communication systems may employ multiple-access technologies capable of supporting communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power, channels). Multiple access technologies have been adopted in various telecommunication standards to enable different wireless devices to ...

UPLINK TRANSPORT PROTOCOL ACKNOWLEDGMENT SHAPING AND DOWNLINK DATA SHAPING AT A USER EQUIPMENT

Certain aspects of the present disclosure provide techniques for uplink transport protocol acknowledgment shaping and downlink data shaping at a user equipment. A method that may be performed by the UE generally includes determining an allowed number of transport protocol acknowledgments to transmit in a transmission time interval (TTI); and transmitting one or more transport protocol acknowledgments in the TTI based, at least in part, on the determined allowed number of transport protocol acknowledgments. Another method that may be performed by the UE generally includes determining an allowed number of downlink data units to transmit in a TTI; and transmitting one or more data units in the TTI based, at least in part, on the determined allowed number of data units. 1. A method for wireless communication by a user equipment (UE) , comprising: an allowed number of bytes acknowledged; or', 'an allowed number of transport protocol acknowledgment packets; and, 'determining an allowed number of transport protocol acknowledgments to transmit in a transmission time interval (TTI), wherein the allowed number of transport protocol acknowledgments comprises at least one oftransmitting one or more transport protocol acknowledgments in the TTI based, at least in part, on the determined allowed number of transport protocol acknowledgments.2. The method of claim 1 , wherein the transmitting the one or more transport protocol acknowledgments in the TTI based claim 1 , at least in part claim 1 , on the determined allowed number of transport protocol acknowledgments comprises transmitting a first portion of transport protocol acknowledgments from a UE transmit buffer in the TTI claim 1 , while leaving second portion of transport protocol acknowledgments in the UE transmit buffer.3. The method of claim 2 , further comprising:sending a buffer status report (BSR) after the transmission of the first portion of the transport protocol acknowledgments, even if no new data arrived in the UE ...

COMMUNICATION RESOURCE PAIRING AND REPETITION

Methods, systems, and devices for increasing the reliability of low latency transmissions are described. For example, multiple control messages and/or multiple data messages may be transmitted for a single transport block. Explicit and/or implicit signaling may be used to support the repetition of control and data transmissions in a low latency environment. For example, explicit signaling may be used to indicate a correspondence between repeated control and/or data messages. Additionally or alternatively, particular configurations may be used to implicitly signal a correspondence between repeated control and/or data messages. 1. A method for wireless communication at a wireless device , comprising:receiving a signal indicating a correspondence between a first control channel candidate resource and a second control channel candidate resource;monitoring the first control channel candidate resource and the second control channel candidate resource;decoding at least one of a first control message received over the first control channel candidate resource or a second control message received over the second control channel candidate resource based at least in part on the monitoring, wherein the first control message and the second control message indicate at least one data resource; andreceiving a data message over the at least one data resource, wherein the data message conveys information for a single transport block.2. The method of claim 1 , wherein the monitoring comprises monitoring the first control channel candidate resource in a first set of control channel resources and the second control channel candidate resource in a second set of control channel resources claim 1 , the method further comprising:receiving the first control message over the first control channel candidate resource in the first set of control channel resources and the second control message over the second control channel candidate resource in the second set of control channel resources.3. The ...

HARQ AND ARQ DESIGN FOR URLLC IN MOBILE COMMUNICATIONS

Techniques, schemes, designs, systems and methods pertaining to HARQ and ARQ design for URLLC in mobile communications are described. A processor of a first apparatus of a mobile network performs a first transmission to a second apparatus of the mobile network in support of ultra-reliablelow-latency communications (URLLC) with a first amount of redundancy. The processor determines whether a predefined condition is met. Responsive to a determination that the predefined condition is met, the processor performs a second transmission to the second apparatus in support of the URLLC with a second amount of redundancy greater than the first amount of redundancy. The processor also multiplexes URLLC traffic and enhanced Mobile Broadband (eMBB) traffic in transmissions to the second apparatus. 1. A method , comprising:performing, by a processor of a first apparatus of a mobile network, a first transmission to a second apparatus of the mobile network in support of ultra-reliable low-latency communications (URLLC) with a first amount of redundancy;determining, by the processor, whether a predefined condition is met; andperforming, by the processor responsive to a determination that the predefined condition is met, a second transmission to the second apparatus in support of the URLLC with a second amount of redundancy greater than the first amount of redundancy.2. The method of claim 1 , wherein the performing of the first transmission comprises performing the first transmission with a first block error rate (BLER) target claim 1 , and wherein the performing of the second transmission comprises performing the second transmission with a second BLER target lower than the first BLER target.3. The method of claim 1 , wherein the performing of the first transmission comprises performing the first transmission with the first amount of redundancy for hybrid automatic repeat request (HARQ) claim 1 , and wherein the predefined condition comprises either receiving a non-acknowledgement ( ...

METHOD FOR ALLOCATING RESOURCE FOR MULTIPLE SIGNALS IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

The present invention relates to a method and an apparatus for allocating a resource for multiple frequency-division multiplexed (FDM) signals of a terminal in a wireless communication system. Specifically, the method comprises the steps of: when a first signal having a first transmission time interval (TTI) is FDM with a second signal having a second TTI during a first cycle, performing sensing on a time resource corresponding to the second TTI; and allocating a time resource for the first signal according to a sensing result during a second cycle, wherein the first and second TTIs occupy time resources having different lengths. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, a base station or a network. 1. A method of allocating resources for multiple frequency division multiplexed (FDM) signals by a user equipment (UE) in a wireless communication system , the method comprising:when a first signal with a first transmission time interval (TTI) is FDM with a second signal with a second TTI in a first period, performing sensing on time resources corresponding to the second TTI; andallocating time resources for the first signal in a second period based on a sensing result,wherein the first TTI and the second TTI occupy a different amount of time resources.2. The method of claim 1 , wherein the amount of time resources occupied by the first TTI is less than that occupied by the second TTI claim 1 , and wherein when it is determined based on the sensing results that a measurement value of the first signal is equal to or less than a threshold claim 1 , the first signal is allocated to time resources unoccupied by the second TTI in the second period.3. The method of claim 1 , wherein the amount of time resources occupied by the first TTI is less than that occupied by the second TTI claim 1 , and wherein when it is determined based on the sensing results that a starting point of the first TTI is different ...

METHOD AND APPARATUS FOR RADIO LINK MONITORING

A method for radio link monitoring (RLM) performed by a user equipment (UE) is provided. The method includes: receiving, from a serving cell, an RLM configuration; monitoring an RLM reference signal (RS) (RLM-RS) resource indicated by the RLM configuration to determine a first downlink (DL) radio link quality; monitoring a backup RLM-RS resource that is associated with the RLM-RS resource to determine a second DL radio link quality after determining that the first DL radio link quality is lower than a threshold and the RLM configuration also indicates the backup RLM-RS resource; and sending, via a physical (PHY) layer of the UE, an RLM indication to a higher layer of the UE based on at least one of the first DL radio link quality and the second DL radio link quality. 1. A user equipment (UE) comprising:one or more non-transitory computer-readable media containing computer-executable instructions embodied therein; andat least one processor coupled to the one or more non-transitory computer-readable media, the at least one processor configured to execute the computer-executable instructions to:receive, from a serving cell, a radio link monitoring (RLM) configuration;monitor an RLM reference signal (RS) (RLM-RS) resource indicated by the RLM configuration to determine a first downlink (DL) radio link quality;monitor a backup RLM-RS resource that is associated with the RLM-RS resource to determine a second DL radio link quality after determining that the first DL radio link quality is lower than a threshold and the RLM configuration also indicates the backup RLM-RS resource; andsend, via a physical (PHY) layer of the UE, an RLM indication to a higher layer of the UE based on at least one of the first DL radio link quality and the second DL radio link quality.2. The UE of claim 1 , wherein the at least one processor is further configured to execute the computer-executable instructions to:determine an indication time interval;wherein two successive RLM indications are ...

SEMI-PERSISTENT CSI FEEDBACK OVER PUSCH

A user equipment, base station and method for transmitting semi-persistent channel state information (SP-CSI) on a physical uplink shared channel (PUSCH) are provided. The user equipment includes processing circuitry configured to receive a control signaling message the control signaling message configuring the user equipment with at least one SP CSI report configuration on the PUSCH, and the message identifying a SP CSI reporting periodicity. The user equipment also receives physical layer control signaling identifying and activating the at least one SP CSI report configuration. Transmitter circuitry is configured to transmit a plurality of SP CSI reports, the reports being transmitted with the periodicity and according to the physical layer control signaling and the control signaling message. 1. A user equipment for wireless communications , the user equipment comprising: identify a report configuration for semi-persistent Channel State Information, SP CSI, on a physical uplink shared channel, PUSCH; and', 'deactivate the report configuration, the deactivating being based on a combination of bit fields in a downlink control information, DCI., 'processing circuitry configured to2. A base station for adaptively configuring semi-persistent Channel State Information , SP CSI , on a physical uplink shared channel , PUSCH , the base station comprising: cause transmission of a configuring message to configure a user equipment with at least one SP CSI report configuration on the PUSCH, and the configuring message identifying a SP CSI reporting periodicity;', 'cause transmission of physical layer control signaling identifying and activating the at least one SP CSI report configuration; and', 'receive a plurality of SP CSI reports, the reports being transmitted with the periodicity and according to the physical layer control signaling and the configuring message., 'processing circuitry configured to3. The base station of claim 2 , wherein the at least one SP CSI report ...

UPLINK CONTROL INFORMATION MULTIPLEXING

Multiplexing of information may be useful in a variety of communication scenarios, such as communication of control information. For example, certain wireless communication systems may benefit from uplink control information multiplexing for downlink two orthogonal frequency division multiplexed symbol short transmission time interval and one millisecond transmission time interval. A method can include receiving, at a user equipment, a downlink assignment scheduling first downlink data transmission in a first transmission time interval duration. The method can also include determining when to provide acknowledgment feedback in an uplink corresponding to the scheduled downlink data transmission. The determination can take into account whether the user equipment is scheduled for downlink data transmission in a second transmission time interval duration. The second transmission time interval duration can be shorter than the first transmission time interval duration. 130-. (canceled)31. A method , comprising:receiving, at a user equipment, a downlink assignment scheduling a first downlink data transmission in a first transmission time interval duration; anddetermining when to provide acknowledgment feedback in an uplink corresponding to the scheduled first downlink data transmission,wherein the determination takes into account whether transmitting the acknowledgement feedback in a given subframe would collide with signaling associated with a second transmission time interval duration;wherein the collision is that the user equipment is scheduled for receiving a second downlink data transmission in the second transmission time interval duration requiring the acknowledgment feedback in the given subframe or is scheduled for uplink data transmission in the given subframe, andwherein the second transmission time interval duration is shorter than the first transmission time interval duration.32. The method of claim 31 , further comprising:when the user equipment is scheduled ...

Method for transmitting device-to-device signal in wireless communication system and apparatus for same

The present invention provides a method for transmitting a device-to-device (D2D) signal and an apparatus for the same, which are used in a wireless access system supporting D2D communication. According to one aspect of the present invention, the method for transmitting a D2D signal by a terminal comprises the steps of: receiving, from a base station, sounding reference signal configuration information instructing an uplink subframe to transmit a sounding reference signal; and determining whether to transmit the D2D signal in a D2D subframe set in a specific subframe when the specific subframe is included in the sounding reference signal configuration information.

METHOD AND APPARATUS FOR TRANSMITTING CHANNEL STATE INFORMATION-REFERENCE SIGNALS IN WIRELESS COMMUNICATION SYSTEM

A method of transmitting channel state information (CSI)-reference signals (RS) at a base station in a wireless communication system includes generating a reference signal sequence, and mapping the reference signal sequence to resource elements (REs) included in one or more patterns for 8-port CSI-RS transmission among five patterns for 8-port CSI-RS transmission located in a first region of a PRB pair and three patterns for 8-port CSI-RS transmission located in a second region of the PRB pair. A maximum of two OFDM (orthogonal frequency division multiplexing) symbols is used for a physical downlink control channel in a subframe including the PRB pair. 1. A method of receiving channel state information (CSI)-reference signals (RSs) at a user equipment (UE) using N (N is a natural number) antenna ports in a wireless communication system , the method comprising:receiving, by the UE using N antenna ports, CSI-RSs mapped to resource elements (REs) included in M patterns among five predefined patterns for an 8-port CSI-RS transmission, andperforming channel measurement based on the received CSI-RSs,wherein M is a natural number equal to or greater than 2,wherein N is a natural number equal to M*8.2. The method of claim 1 , wherein the five predefined patterns comprising:first REs located in subcarriers #2, #3, #8 and #9 among subcarriers #0 to #11 on OFDM symbols #5 and #6 among OFDM symbols #0 to #13 in a physical resource block (PRB) pair,second REs located in subcarriers #4, #5, #10 and #11 among subcarriers #0 to #11 on OFDM symbols #9 and #10 among OFDM symbols #0 to #13 in the PRB pair,third REs located in subcarriers #2, #3, #8 and #9 among subcarriers #0 to #11 on OFDM symbols #9 and #10 among OFDM symbols #0 to #13 in the PRB pair,fourth REs located in subcarriers #0, #1, #6 and #7 among subcarriers #0 to #11 on OFDM symbols #9 and #10 among OFDM symbols #0 to #13 in the PRB pair, andfifth REs located in subcarriers #2, #3, #8 and #9 among subcarriers #0 to #11 ...

Method for processing CSI-RS in wireless communication system

A method for transmitting a Channel State Information-Reference Signal (CSI-RS) in an Orthogonal Frequency Division Multiple Access (OFDMA) system, the method comprising of determining a CSI-RS pattern type based on a Physical Resource Block (PRB) index of a subframe, assigning, when the subframe is supposed to carry the CSI-RS, CSI-RSs of first to Nth antenna ports to first to Nth Orthogonal Frequency Division Multiplexing (OFDM) symbols of a PRB based on the CSI-RS pattern type, and transmitting the subframe including the PRB in which CSI-RSs of the first to Nth antennas a mapped, wherein the first to Nth CSI-RS pattern types map CSI-RSs of the first to Nth antenna ports to the first to Nth OFDM symbols of the PRB in an alternate manner.

Method for supporting plurality of transmission time intervals in wireless communication system and apparatus therefor

A method for supporting carrier aggregation and a short transmission time interval (sTTI) in a wireless communication system according to an embodiment of the present invention is performed by a terminal, and may comprise a step of reporting the maximum number of component carriers supporting a combination of downlink (DL) and uplink (UL) sTTI lengths, in units of bands or band combinations.

Timing configuration method and apparatus

A timing configuration method and apparatus, the method being used in a base station, the base station configuring at least one bandwidth part BWP for a terminal, and the method comprising: for a first BWP, configuring a corresponding first bandwidth part BWP inactivity timer (110); generating timer configuration information, the timer configuration information being used for indicating the use of the first BWP inactivity timer on the first BWP (120); and sending the timer configuration information to the terminal, so that the terminal uses the first BWP inactivity timer on the first BWP on the basis of the timer configuration information (130). The present method implements dynamic configuration of a BWP inactivity timer on each BWP, increasing the flexibility of timer configuration and reducing power consumption.

Method and apparatus for receiving downlink data in a wireless communication system

In an example, a User Equipment (UE) monitors a first Physical Downlink Control Channel (PDCCH), via a first spatial Quasi-Colocation (QCL) assumption associated with a first Transmission Configuration Indicator (TCI) state, on a first monitoring occasion of a first Control Resource Set (CORESET). The UE monitors a second PDCCH, via a second spatial QCL assumption associated with a second TCI state, on a second monitoring occasion of a second CORESET. The UE determines an interval between a reference monitoring occasion and a scheduled Physical Downlink Shared Channel (PDSCH), wherein the reference monitoring occasion is a last monitoring occasion of the first monitoring occasion and the second monitoring occasion. Based on the interval being larger than or equal to a threshold, the UE receives the scheduled PDSCH via a third spatial QCL assumption associated with a third TCI state, wherein the third TCI state is determined based on a lowest CORESET identity of a first CORESET identity of the first CORESET and a second CORESET identity of the second CORESET.

Methods on radio resource management and radio link monitoring configurations and procedures

Methods on radio resource management (RRM) configurations and procedures in wireless communication are described herein. In particular, methods are described for providing a reference signal strength indicator (RSSI) measurement timing configuration (RMTC). In some embodiments, a UE may perform a RSSI measurement based on the RMTC on at least on downlink (DL) symbol outside of a synchronization signal (SS) block. Also described herein are methods for inter-frequency SSB measurement, and methods for RLM configurations and procedures.

METHOD AND APPARATUS FOR SLOT FORMAT INDICATION FOR AN ENDING SLOT IN UNLICENSED SPECTRUM IN A WIRELESS COMMUNICATION SYSTEM

Methods and apparatuses are disclosed from the perspective of a User Equipment (UE). In one method, the method includes the UE is configured by a network node to receive and/or monitor a signal within a channel occupancy time, wherein the signal indicates information of one or multiple TTIs (Transmission Time Interval) of a serving cell. The method further includes the UE derives state or functionality of one or more symbol(s) in the one or multiple TTIs based on the information, wherein the information indicates a symbol in the one or multiple TTIs to be any of “downlink”, “uplink”, “flexible”, or “blank”. The method also includes the UE derives or is indicated that at least one set of consecutive symbol(s) are indicated as “blank”. Furthermore, the method includes the UE prevents from or is not required to perform reception for (dynamically) indicated or configured physical DL (Downlink) channel or RS (Reference Signal) within the set of consecutive symbols indicated as “blank”. In addition, the method includes the UE prevents from or is not required to perform transmission for (dynamically) indicated or configured physical UL (Uplink) channel or RS within the set of consecutive symbols indicated as “blank”. Also, the method includes the UE being allowed to perform a channel access procedure or LBT (Listen Before Talk) scheme within the set of consecutive symbols indicated as “blank”. 1. A method for a User Equipment (UE) , comprising:the UE is configured by a network node to receive and/or monitor a signal within a channel occupancy time, wherein the signal indicates information of one or multiple TTIs (Transmission Time Interval) of a serving cell;the UE derives state or functionality of one or more symbol(s) in the one or multiple TTIs based on the information, wherein the information indicates a symbol in the one or multiple TTIs to be any of “downlink”, “uplink”, “flexible”, or “blank”;the UE derives or is indicated that at least one set of consecutive symbol ...

SYSTEM AND METHOD FOR TRANSITION TIME INTERVAL SWITCHING IN AN UPLINK MULTICARRIER SYSTEM

A system and method to perform fast transition time interval switching in an uplink multicarrier system. In one embodiment, an apparatus, and related method, is configured to receive a first user equipment power headroom (“UPH”) filtering value for a first uplink carrier from a user equipment, identify a measurement identifier with a first value for the first uplink carrier, and transmit the first UPH filtering value and the measurement identifier with the first value to a radio network controller. 1. A method operable with a radio access node in a communication system having a first uplink carrier and a second uplink carrier , comprising:receiving a first user equipment power headroom (UPH) filtering value for said first uplink carrier from a user equipment (UE);identifying a measurement identifier with a first value for said first uplink carrier; andtransmitting said first UPH filtering value and said measurement identifier with said first value to a radio network controller (RNC).2. The method as recited in claim 1 , further comprising:receiving a second UPH filtering value for said second uplink carrier from said user equipment;identifying said measurement identifier with a second value for said second uplink carrier; andtransmitting said second UPH filtering value and said measurement identifier with said second value to said radio network controller.3. (canceled)4. (canceled)5. The method as recited in wherein transmitting said second UPH filtering value and said measurement identifier with said second value is part of a radio link parameter update indication (RL PUI) to said radio network controller.6. The method as recited in further comprising receiving a transmission time interval switching configuration as a function of said first UPH filtering value and said second UPH filtering value from said radio network controller.7. (canceled)8. (canceled)9. (canceled)10. The method as recited in claim 1 , further comprising:determining a proposed target ...

RESOURCE ALLOCATION IN CELLULAR NETWORKS

Methods and Systems are disclosed for allocating a time-frequency resource of a large cell base station either to a selected first user equipment associated with the base station, or to a selected self-backhaul link associated with a small cell within the coverage area of the large cell base station. In embodiments, data is provided representing target allocation proportions of the time-frequency resource, for each of the first user equipment(s) and the one or more backhaul link(s). Allocations are made, for each of a series of time units or intervals, either to a selected first user equipment or backhaul link based on the target data. 119-. (canceled)20. A method of allocating resources in a wireless network that includes one or more macro user devices served by a macro base station associated with a macro cell and a micro base station associated with a small cell that is served by the macro base station , the method comprising: determining a portion of downlink resources allocated to a self-backhaul link between the macro base station and the micro base station for the small cell; determining that a threshold condition is exceeded with respect to the self-backhaul link for the small cell; and decreasing , based on the determining , the portion of downlink resources allocated to the self-backhaul link for the small cell.21. The method of wherein the determining a portion of downlink resources allocated to a self-backhaul comprises: determining claim 20 , by the macro base station claim 20 , a portion of downlink resources allocated to a self-backhaul link between the macro base station and the micro base station for the small cell based on a number of small cell user devices served by the small cell.22. The method of wherein the determining a portion of downlink resources allocated to a self-backhaul comprises: receiving claim 20 , by a micro base station associated with the small cell from the macro base station claim 20 , information indicating the portion of ...

Facilitating hybrid automatic repeat request reliability improvement for advanced networks

Facilitating hybrid automatic repeat request reliability improvement for advanced networks (e.g., 4G, 5G, 6G, and beyond) is provided herein. Operations of a system can comprise obtaining information related to a capability of a user equipment device and configuring the user equipment device with respect to control channel resources and a number of repetitions per slot based on the capability of the user equipment device. The operations can also comprise indicating the control channel resources and the number of repetitions per slot to the user equipment device via a control channel. Further, the operations can comprise detecting an acknowledgement, from the user equipment device, via an uplink control channel that comprises the control channel resources.

METHOD AND APPARATUS FOR RECONFIGURING BANDWIDTH PART IN SIDELINK COMMUNICATION

An operation method of a first terminal in a communication system is provided. The method includes transmitting, to a base station, a configuration request message requesting configuration of a sidelink (SL) bandwidth part (BWP) used for sidelink communication between the first terminal and a second terminal. A configuration information message is received including configuration information of the SL BWP from the base station. The sidelink communication is performed with the second terminal using one or more SL BWPs indicated by the configuration information and in response to determining that reconfiguration of the one or more SL BWPs is necessary, a reconfiguration request message is transmitted to the base station. 120.-. (canceled)21. An operation method of a first terminal in a communication system , comprising:{'claim-text': ['receiving, by the processor, a configuration information message including configuration information of the SL BWP from the base station;', 'performing, by the processor, the sidelink communication with the second terminal using one or more SL BWPs indicated by the configuration information; and', 'in response to determining that reconfiguration of the one or more SL BWPs is necessary, transmitting, by the processor, a reconfiguration request message to the base station,', 'wherein the configuration information of the SL BWP includes an SL BWP list, and the SL BWP list includes a bandwidth, a subcarrier spacing, resource block (RB) information, and activation information.'], '#text': 'transmitting, by a processor, to a base station, a configuration request message requesting configuration of a sidelink (SL) bandwidth part (BWP) used for sidelink communication between the first terminal and a second terminal;'}22. The operation method according to claim 21 , further comprising:receiving, by the processor, a reconfiguration information message from the base station, the reconfiguration information message including reconfiguration ...

CHANNEL RESERVATION TRANSMISSION SCHEMES IN SHARED RADIO FREQUENCY SPECTRUM

Methods, systems, and devices for wireless communication are described for a channel reservation signal that may be transmitted upon gaining contention-based access to a channel in a shared radio frequency spectrum. The channel reservation signal may include a channel reservation preamble and a channel reservation payload. The channel reservation payload may be formatted with other control channel information transmitted by the transmitter, such as downlink control information (DCI), and aligned with a transmission boundary of the other control channel information. When deployed on a shared medium, a downlink control channel may carry an extra trigger field that may schedule a receiving UE to transmit its own channel reservation signal within an uplink transmission burst. 1. A method for wireless communication , comprising:performing a listen before talk (LBT) procedure to identify that a channel in a shared radio frequency spectrum band is available for a first transmission;identifying a time duration that the channel is to be occupied by the first transmission;generating a channel reservation signal having a payload that indicates the time duration; andtransmitting the channel reservation signal.2. The method of claim 1 , further comprising:aligning at least a portion of the channel reservation signal with a boundary of a control resource set transmission associated with the first transmission.3. The method of claim 2 , wherein the generating of the channel reservation signal further comprises:identifying a channel reservation signal preamble;determining a time difference between a completion of the LBT procedure and the boundary of the control resource set transmission;adjusting a duration of a dynamic cyclic prefix based at least in part on the channel reservation signal preamble and the time difference; andappending the dynamic cyclic prefix and payload to the channel reservation signal preamble.4. The method of claim 2 , wherein the transmitting the channel ...