УСТРОЙСТВА, СПОСОБЫ И КОМПЬЮТЕРНЫЕ ПРОГРАММЫ ДЛЯ МОБИЛЬНОГО ПРИЕМОПЕРЕДАТЧИКА И ПРИЕМОПЕРЕДАТЧИКА БАЗОВОЙ СТАНЦИИ

Изобретение относится к мобильной связи. Мобильное приемопередающее устройство (10) содержит средство приема (12) радиосигналов от двух или более приемопередатчиков базовых станций, имеющее чувствительность приема, определяющую возможность декодировать данные из радиосигнала одного из двух или более приемопередатчиков базовых станций, принимая радиосигналы от другого из двух или более приемопередатчиков базовых станций. Мобильное приемопередающее устройство содержит средство предоставления (14) информации о чувствительности приема к соответствующему приемопередатчику (200) базовой станции. Приемопередающее устройство (20) базовой станции содержит средство приема (22) информации о чувствительности относительно чувствительности приемника и средство определения (24) информации о конфигурации относительно конфигурации измерения для мобильного приемопередатчика (100), включающей в себя информацию об измерении качества сигнала в мобильном приемопередатчике (100) относительно радиосигналов, принимаемых ...

СПОСОБ ЗАЩИТЫ БЕЗОПАСНОСТИ, УСТРОЙСТВО И СЕТЕВОЕ УСТРОЙСТВО ДОСТУПА

Изобретение относится к беспроводной связи. Способ защиты безопасности включает в себя этапы: принимают, от второго сетевого устройства доступа, первым сетевым устройством доступа, сообщение, содержащее политику безопасности плоскости пользователя, которая используется для указания типа зашиты безопасности плоскости пользователя, подлежащего инициированию первым сетевым устройством доступа; определяют, на основании политики безопасности плоскости пользователя, алгоритм безопасности плоскости пользователя и ключ плоскости пользователя, соответствующий алгоритму безопасности плоскости пользователя; или выбирают алгоритм безопасности плоскости пользователя по умолчанию и определяют ключ плоскости пользователя, соответствующий алгоритму безопасности плоскости пользователя по умолчанию. Технический результат заключается в обеспечении эффективного и гибкого способа передачи данных пользовательской плоскости в сетевой архитектуре с двойным подключением. 9 н. и 23 з. п. ф-лы, 14 ил.

СИСТЕМА РАДИОСТАНЦИИ, РАДИОТЕРМИНАЛ И СПОСОБЫ В НИХ

Изобретение относится к радиосвязи. Радиостанция передает информацию конфигурации радиотерминалу. Информация конфигурации указывает, на основе сота-за-сотой, по меньшей мере одну конкретную соту, по которой радиотерминалу разрешено выполнять по меньшей мере одно из передачи данных и приема данных по носителю радиосвязи, используемому для передачи восходящей линии связи или передачи нисходящей линии связи или для обоих типов через общий слой Протокола Сходимости Пакетных Данных (PDCP). Технический результат заключается в обеспечении возможности для eNB в архитектуре радиосвязи, которая обеспечивает плотное взаимодействие двух разных Технологий Радиодоступа (RAT), указывать радиотерминалу (UE) конкретную соту, по которой UE должно выполнять передачу восходящей линии связи. 4 н. и 6 з.п. ф-лы, 15 ил.

СПОСОБ ОТПРАВКИ ДАННЫХ ПО ПОРЯДКУ, СЕТЕВОЕ УСТРОЙСТВО И ТЕРМИНАЛЬНОЕ УСТРОЙСТВО

Изобретение относится к области связи. Технический результат - достижение устранения доставки данных не по порядку. Для этого способ доставки данных по порядку, который применяют к первому сетевому устройству, предусматривает, в случае когда канал передачи данных потока данных передается ого устройства первой части данных потока данных и указательной информации, причем указательная информация указывает, что первая часть данных в потоке данных, который не был полностью передан при передаче, передана полностью, и отправку первой части данных потока данных и указательной информации, предназначенной для указания того, что первая часть данных в потоке данных, который не был полностью передан при передаче, передана полностью, на второе сетевое устройство или отправку первой части данных потока данных на базовую сеть и отправку указательной информации на второе сетевое устройство. 4 н. и 11 з.п. ф-лы, 14 ил.

СПОСОБ ПЕРЕКЛЮЧЕНИЯ, УСТРОЙСТВО ДОСТУПА К СЕТИ И ОКОНЕЧНОЕ УСТРОЙСТВО

Изобретение относится к беспроводной связи. Технический результат заключается в сокращении задержки передачи для оконечного устройства в процессе хэндовера. Первое устройство доступа к сети запускает оконечное устройство и/или второе устройство доступа к сети для конфигурирования второго стека протоколов, причем второй стек протоколов используется для сохранения порядка следования пакетов данных второго устройства доступа к сети и оконечного устройства и/или ключа пакетов данных второго устройства доступа к сети и оконечного устройства; и перед тем, как первое устройство доступа к сети запустит оконечное устройство и/или второе устройство доступа к сети для использования второго стека протоколов для сохранения порядка следования пакетов данных оконечного устройства, первое устройство доступа к сети использует первый стек протоколов для задания последовательности подлежащих обработке пакетов данных первого устройства доступа к сети и оконечного устройства. 2 н. и 13 з.п. ф-лы, 16 ил.

УСТРОЙСТВО БЕСПРОВОДНОЙ СВЯЗИ С ПОДДЕРЖКОЙ МНОЖЕСТВА АКТИВНЫХ СЕТЕЙ

Изобретение относится к мобильной связи. Техническим результатом является обеспечение поддержания каналов связи по множеству сетей передачи данных. Предложено беспроводное устройство, способное использовать множество SIM-карт для осуществления одновременной связи по множеству сотовых сетей. Беспроводное устройство является устройством с двумя активными двухрежимными модулями SIM, которое способно принимать и передавать пакеты данных по множеству сотовых сетей одновременно или практически одновременно. Беспроводное устройство может включать в себя второй набор антенн и внутреннее оборудование, включающее в себя второй модем и процессор, позволяющие беспроводному устройству осуществлять связь по меньшей мере с двумя сотовыми сетями. Беспроводное устройство может выбрать сотовую сеть для выполнения задачи, например, осуществления голосового вызова или загрузки видео на основе разности величин уровня сигналов между двумя или более сотовыми сетями, поддерживаемыми беспроводным устройством. 2 ...

СПОСОБ РЕКОНФИГУРАЦИИ РЕСУРСОВ, БАЗОВАЯ СТАНЦИЯ И ПОЛЬЗОВАТЕЛЬСКОЕ ОБОРУДОВАНИЕ

Изобретение относится к технике связи. В настоящей заявке раскрыты способ реконфигурации ресурсов, базовая станция и пользовательское оборудование. Способ включает в себя этапы, на которых: принимают, с помощью первичной базовой станции, первое сообщение, при этом первое сообщение используется для запроса реконфигурации, для пользовательского оборудования, ресурса, соответствующего вторичной базовой станции; и инициируют с помощью первичной базовой станции реконфигурации ресурса, соответствующего вторичной базовой станции, для пользовательского оборудования. Посредством настоящей заявки ресурс, соответствующий вторичной базовой станции, можно реконфигурировать для пользовательского оборудования в случае, когда вторичная базовая станция не предоставляет функцию реконфигурации. 4 н. и 22 з.п. ф-лы, 17 ил.

АДАПТАЦИЯ МОБИЛЬНОЙ СЕТИ

PDCP И УПРАВЛЕНИЕ ПОТОКОМ ДЛЯ РАЗДЕЛЕННОГО ОДНОНАПРАВЛЕННОГО КАНАЛА

УСТРОЙСТВО УПРАВЛЕНИЯ СВЯЗЬЮ, УСТРОЙСТВО РАДИОСВЯЗИ, СПОСОБ УПРАВЛЕНИЯ СВЯЗЬЮ И СПОСОБ РАДИОСВЯЗИ

СПОСОБ СОГЛАСОВАННОЙ МНОГОТОЧЕЧНОЙ ПЕРЕДАЧИ ИНФОРМАЦИИ В СЕТИ БЕСПРОВОДНОЙ СВЯЗИ И СРЕДСТВА ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

... 1. Способ согласованной многоточечной передачи информации в сети беспроводной связи, имеющей полное число сот, обслуживаемых соответствующими базовыми станциями, при этом способ содержит:прием из мобильного устройства внутри сети идентификатора кластера предпочтительных сот, выбранного из кластера подходящих сот, причем кластер подходящих сот представляет собой подмножество полного числа сот внутри сети;выбор, по крайней мере, одной базовой станции, расположенной внутри кластера предпочтительных сот, для установления связи с данным мобильным устройством; иустановление беспроводного соединения между выбранной, по крайней мере, одной базовой станцией и мобильным устройством.2. Способ по п.1, в котором мобильное устройство способно работать с использованием набора частотных полос и в котором кластер подходящих сот меняется в зависимости от рабочей полосы частот из набора частотных полос.3. Способ по п.1, в котором кластер подходящих сот меняется со временем.4. Способ по п.1, в котором кластер ...

ПОЛЬЗОВАТЕЛЬСКОЕ УСТРОЙСТВО, СПОСОБ ОСУЩЕСТВЛЕНИЯ ПЕРЕДАЧИ ОБСЛУЖИВАНИЯ, БАЗОВАЯ СТАНЦИЯ И СИСТЕМА РАДИОСВЯЗИ

... 1. Мобильная станция в сети беспроводной связи, содержащая:модуль радиосвязи, выполненный с возможностью связи с первой базовой станцией посредством множества компонентных несущих; имодуль управления, выполненный с возможностью управления модулем радиосвязи для инициирования процедуры передачи обслуживания на вторую базовую станцию после приема по меньшей мере одной команды на передачу обслуживания для множества компонентных несущих.2. Мобильная станция по п.1, в котороймодуль радиосвязи выполнен с возможностью связи с первой базовой станцией посредством одной из множества компонентных несущих, имеющей первую длительность циклического префикса, и связи со второй базовой станцией посредством одной из множества компонентных несущих, имеющей вторую длительность циклического префикса.3. Мобильная станция по п.1, в котороймодуль радиосвязи выполнен с возможностью приема множества команд на передачу обслуживания, каждая из которых соответствует одной из множества компонентных несущих, амодуль ...

СПОСОБ И УСТРОЙСТВО, И СИСТЕМА КОНФИГУРИРОВАНИЯ СЕТИ

МОБИЛЬНАЯ СТАНЦИЯ И БАЗОВАЯ РАДИОСТАНЦИЯ

... 1. Мобильная станция, выполненная с возможностью осуществления объединения несущих с использованием основной соты и вторичной соты, содержащая модуль управления, выполненный с возможностью деактивации целевой вторичной соты, если ему отдана команда изменения группы временного опережения, к которой принадлежит целевая вторичная сота, с первой группы временного опережения на вторую группу временного опережения.2. Мобильная станция, выполненная с возможностью осуществления объединения несущих с использованием основной соты и вторичной соты, содержащая модуль передачи, выполненный таким образом, что восходящий сигнал не передается во вторичной соте, принадлежащей к группе временного опережения, в которой остановлен таймер согласования времени; и модуль управления, выполненный с возможностью остановки таймера согласования времени первой группы временного опережения и/или второй группы временного опережения, если ему отдана команда изменения группы временного опережения, к которой принадлежит ...

Communication system

Bearer reconfiguration

A data transmission method of a User Equipment, UE, in a Long Term Evolution, LTE, compliant mobile communications network, and a corresponding UE. The method comprises detecting reconfiguration of a bearer from a split bearer in which uplink Packet Data Convergence Protocol, PDCP, Protocol Data Units, PDUs, are transmitted to both a Master eNB, MeNB, and to a Secondary eNB, SeNB, to a non-split bearer in which uplink PDCP PDUs are transmitted only to the MeNB. If reconfiguration of a bearer from a split bearer to a non-split bearer in which uplink PDCP PDUs are transmitted to the MeNB is detected, various methods of retransmitting PDCP PDUs for which there has been no confirmation of successful delivery by a protocol layer below the PDCP layer within the UE are described, dependent on the conditions before the bearer reconfiguration.

Improvements in and relating to reference feature sets in a telecommunication network

Fast reselection between different radio access technology networks

Improvements in and relating to QoS flow mobility

Cell preparation

A network node 120, such as a gNB (e.g. a master node, MN 164), configured to perform: transmitting 130 a request 202 to a plurality of secondary nodes, SN, 166a-n to prepare one or more cell candidates; receiving 132 an indication 206 from at least one of the plurality of nodes indicating a capacity to prepare one or more further cell candidates; and transmitting, to one or more of the at least one of the plurality of nodes, a further request 210 to prepare at least one further cell candidate. The further request 134 can be considered a request to prepare at least one cell candidate in addition to the cell candidates prepared based on and/or in response to the request 130. The request may indicate a maximum number of cell candidates whilst the indication may comprise a value representing the number of cell candidates a node has the capacity to prepare above the requested number of cell candidates. Preparing cell candidates comprises allocating resources needed for a terminal node’s signalling ...

Improvements in and relating to minimisation of drive test in a telecommunication network

Disclosed is a method of performing Minimisation of Drive Tests, MDT, in a mobile telecommunication network, comprising the step of a User Equipment, UE, providing an MDT measurement relating to a result of an early measurement, wherein the early measurement is a measurement performed in idle or inactive state, and wherein the mobile telecommunication network configures the UE to report to the mobile telecommunication network upon transition to a connected state.

Communication network and method of maintaining connection

Improvements in and relating to reference feature sets in a telecommunication network

Method and network

PROCEDURE FOR THE DELIVERY OF A BINARY MOVE MODE

Path switching method and terminal device

Provided are a path switching method and a terminal device. The terminal device has a packet data convergence protocol (PDCP) layer, the PDCP layer being able to send uplink data to a first cell group or a second cell group, the first cell group and the second cell group being different cell groups, the PDCP layer currently sending the uplink data to the first cell group; the method comprises: the terminal device enabling the switching of the PDCP layer from sending the uplink data to the first cell group, to sending the uplink data to the second cell group; and the terminal device sending first uplink data to the second cell group, the first uplink data at least including first data, the first data referring to the data that the terminal device has sent to a radio link control protocol (RLC) layer of the first cell group. The method in the embodiments of the present invention can effectively improve the path switching performance of the terminal device.

Target cell access method and device

Disclosed are a method and device for accessing a target cell,, used for providing a network slice service area identifier and network slice configuration information for a terminal device to enable the terminal device to access a target cell. The method in the embodiments of the present application comprises: a terminal device acquiring a network slice service area identifier from a serving access network device corresponding to a serving cell where the terminal device is located, the network slice service area identifier being used for indicating the area served by the network slice; the terminal device determining a target cell according to network slice configuration information and the network slice service area identifier, the network slice configuration information comprising a corresponding relationship between a network slice, an area and a service; and the terminal device accessing the target cell.

RLF processing method and apparatus, and communication device

Embodiments of the present application provide an RLF processing method and apparatus, and a communication device, for use in processing the problem of RLF without interrupting service data of a UE. The method comprises: a first node receives a first message sent by a terminal, wherein the first message is used for indicating that RLF occurs on a second node side; the first node sends the first message to the second node, so that the second node determines a third node to be switched to and sends a second message to the first node, wherein the second message is used for indicating, to the first node, the switching to the third node; the first node initiates a switching preparation process to the third node and receives a third message sent by the third node, wherein the third message carries a switching command; the first node sends a fourth message to the second node, and sends the switching command to the terminal, so as to trigger the terminal to perform a switching process.< ...

RADIO ACCESS NETWORK NODE, RADIO TERMINAL, AND METHODS AND NON-TRANSITORY COMPUTER-READABLE MEDIA THEREFOR

A second RAN node (2) associated with a second RAT sends a radio resource configuration of the second RAT to a radio terminal (3) via a 5 first RAN node (1) associated with a first RAT. The radio resource configuration explicitly or implicitly indicates at least one numerology that is included in multiple numerologies supported by the second RAT and is different from a reference numerology. It is thus, for example, possible to allow a radio terminal to be configured with a numerology 0 of a cell served by a secondary gNB or a target gNB in Inter-RAT Dual Connectivity between E-UTRA and NR and in a handover from E-UTRA to NR.

Pre-steering traffic within a telecommunications network

Systems and methods are described herein for pre-steering traffic within a telecommunications network. In some embodiments, the systems and methods pre- steer traffic by steering user devices to optimal or suitable frequency bands of a network before the user devices begin streaming content and/or performing other actions via the network.

Radio link monitoring

In embodiments, apparatuses, methods, and storage media may be described for monitoring channel quality of a radio link between a secondary evolved NodeB (SeNB) and a user equipment (UE) in a wireless communication network configured for dual connectivity. In embodiments, the UE may generate one or more indications of a channel quality of the SeNB-UE radio link and forward the indication to the SeNB. Based on the indication, the UE may receive a radio resource control (RRC) message from a master eNB (MeNB) related to the SeNB-UE radio link. Other embodiments may be claimed.

Method and system for providing simultaneous connectivity between multiple E-NodeBs and user equipment

The present invention provides a method and system for enabling simultaneous transmission and reception across multiple ENodeB (eNBs) from a user equipment (UE) in a Long Term Evolution (LTE) network. In one embodiment, a UE sends measurement reports to eNB-1. Based on the measurement reports, the eNB-1 decides to add another eNB (hereinafter eNB-2) and starts offloading procedure. The eNB-1 prepares the eNB-2 and obtains the necessary parameters to switch the E-RAB between the UE and the eNB-2. Accordingly, the eNB-1 issues an offloading command to the UE over RRC signaling message. The UE based on the offloading command establishes a RRC User Plane connection with the eNB-2. The eNB-1 then initiates the bearer switch procedure with the Mobility Management Entity (MME) by providing necessary information related to eNB-2 to the MME. Then, the MME initiates and completes the User Plane bearer switch procedure with the serving gateway (S-GW) using the necessary information related to eNB- ...

User apparatus, base station, and time difference information notification method

USER APPARATUS, BASE STATION, AND TIME DIFFERENCE INFORMATION NOTIFICATION METHOD According to one aspect there is provided a user apparatus comprising: measurement means configured to measure a time difference between a frame in a first base station and a frame in a second base station; and notification means configured, when detecting a predetermined notification trigger that is specified by a received message, to notify the first base station or the second base station of time difference information on the time difference measured by the measurement means. According to another aspect there is provided a user apparatus, comprising: reception means configured to receive configuration information of a measurement gap from a first base station or a second base station; and measurement control means configured to configure a measurement gap for the first base station, and to configure subframes that overlap with subframes that become the measurement gap for the first base station as a measurement ...

ACTIVATION AND DEACTIVATION OF COMPONENT CARRIER MEASUREMENTS BASED ON THRESHOLD SETTINGS

In accordance with an exemplary embodiment of the invention there is at least a method, computer program, and apparatus for receiving over a first component carrier from a serving cell at least one of a first threshold and a second threshold, and performing at least one of: measuring the first component carrier and determining if the measurement exceeds the first threshold, and utilizing the second threshold and determining if a neighboring cell is a potential candidate for scheduling on a second component carrier.

METHOD FOR PROCESSING RLC FAILURE, NETWORK DEVICE AND COMPUTER STORAGE MEDIUM

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present application relates to the field of wireless communication technologies, and discloses a method for processing an RLC failure, an electronic device and a computer readable storage medium. The method for processing a Radio Link Control (RLC) failure includes: receiving, by a first network device, RLC failure related information of a user equipment (UE); processing the RLC failure correspondingly by interacting with a second network device, based on the received ...

NETWORK CONNECTION METHOD AND APPARATUS

The present invention discloses a network connection method and apparatus, pertaining to the technical field of terminals. The method comprises: determining, in a scenario in which a network connection is established via a cellular network, whether a wireless signal of a non-cellular network allowing connection is detected; if the wireless signal is detected, determining whether the service status of a data service being currently processed meets a first preset condition, the first preset condition being that the service quality of the data service is not affected during a network connection mode switching process; and when the service status meets the first preset condition, establishing a network connection on the basis of the wireless signal. The present invention can determine whether the service status of a data service being currently processed meets a first preset condition, and establish a network connection on the basis of a wireless signal when the first preset condition is met ...

FAILURE RECOVERY IN WIRELESS COMMUNICATIONS

Wireless communications are described. Failure recovery associated with resource(s) may be used. A wireless device may select, based on a determined failure, a suitable candidate resource for cell(s), such as secondary cell(s). The wireless device may use the suitable candidate resource, such as a candidate beam, for an uplink channel transmission via a secondary cell, for example, until a new uplink channel configuration/activation is received.

CONTROLLING DATA OFFLOAD IN RESPONSE TO FEEDBACK INFORMATION

A first wireless access network node receives feedback information from a second wireless access network node that performs data offload for the first wireless access node. The feedback information relates to one or more of a radio resource usage, a buffer condition, a hardware resource usage or a link quality. In response to the feedback information, the first wireless access network node performs control of the data offload.

METHOD, DEVICE AND SYSTEM FOR CELL HANDOVER IN TELECOMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION

A method, device and system for a cell handover in a telecommunication system supporting carrier aggregation are provided in the present invention. The method for the cell handover may include the following steps: a Base Station (BS) determines that whether carrier components corresponding to one or more cells to be accessed are in the same frequency band, wherein the one or more cells to be accessed belong to a target BS, and are selected by a terminal which needs to perform the cell handover and is served by the BS; if yes, the BS encapsulates configuration information of all the cells in the one or more cells to be accessed in a handover command for initiating cell handover; otherwise, the BS encapsulates configuration information of one or more cells in the one or more cells to be accessed in the handover command, and sends the handover command to the target BS. The present invention also provides a device for cell handover in a telecommunication system supporting carrier aggregation ...

Mobility and power control techniques across multiple wireless access technologies

무선 시스템에서의 캐리어 집성 구성

WTRU가 듀얼 또는 다중 MAC 인스턴스 연결성을 사용하여 동작하고 있는 동안 하나 이상의 MAC 인스턴스의 재구성을 위한 시스템 및 방법이 의도된다. 예를 들면, 하나 이상의 보조 MAC 인스턴스를 수정하는 RRC 재구성 정보의 수신시, 예를 들면, RRC 플래그, 물리적 다운링크 제어 채널(PDCCH) 순서(MeNB/SeNB), MAC 활성화 정보, 등등 중 하나 이상에 의해 트리거되면, WTRU는 재구성 완료 메시지를 매크로 eNB(MeNB)로 송신할 수도 있고, 소형 셀 또는 보조 eNB(SeNB)에 동기화할 수도 있다. 예를 들면, WTRU는, 다른 타입(들)의 RRC 재구성이 아닌 특정 타입(들)의 RRC 재구성을 위해 SeNB에 동기화할 수도 있다. 듀얼 연결성의 측면에서 예가 설명될 수도 있지만, WTRU는 두 개보다 많은 무선 액세스 네트워크(RAN) 노드(예를 들면, eNB)와 함께 연결성을 구축하고 이동성 프로시져를 수행할 수도 있으며, 설명되는 실시형태는 이들 시나리오에 동등하게 적용가능할 수도 있다.

Mobility enhancements for cellular communications

Communication device, method and computer program

통신장치, 및 통신방법

... 수신한 설정 완료 configuration을 이해할 수 없는 경우에, 또는, full configuration의 실행을 요구하는 메시지를 수신한 경우에, full configuration의 생성이 필요하다는 것을 다른 통신장치에 통지하는 통신부를 구비한다.

Método para prover handoff de link direto em um sistema de comunicação sem fio com link direto ofdm e link reverso cdma

Method and apparatus for performing component carrier-specific reconfiguration

Techniques for component carrier-specific reconfiguration are disclosed. A wireless transmit/receive unit (WTRU) is capable of transmitting or receiving via multiple component carriers. The WTRU may perform component carrier reconfiguration on a component carrier basis to add, remove or replace a component carrier. Discontinuous reception (DRX) and/or discontinuous transmission (DTX) may be performed on at least one component carrier, wherein DRX and/or DTX patterns on the component carriers may not overlap each other. A random access procedure may be performed at the target cell on one component carrier while other component carriers are inactive. The component carrier-specific reconfiguration or handover of a component carrier or a channel may be implemented in coordinated multiple point transmission (CoMP), wherein a handover of a control channel, not a traffic channel, may be performed. Alternatively, a handover of a traffic channel may be performed.

Device and method of handling communications in a dual connectivity

A communication device for handling communications in a dual connectivity comprises a storage device for storing instructions and a processing circuit coupled to the storage device. The storage device stores, and the processing circuit is configured to execute instructions of establishing a first signaling radio bearer (SRB) with a master base station (MBS); establishing a second SRB with a secondary BS (SBS); receiving a first radio resource control (RRC) message comprising a first configuration, on the first SRB from the MBS; receiving a second RRC message comprising a second configuration, on the second SRB from the SBS; and applying the first configuration and ignoring the second configuration, when detecting a conflict between the first configuration and the second configuration.

Error handling in dual active link handover

Methods, systems, and devices for wireless communications are described. In some systems, a user equipment (UE) may perform a dual active link handover procedure from a source base station to a target base station. During the dual active link handover procedure, the UE may have connections to both of the base stations concurrently. In such cases, transmission opportunities for communicating with the base stations may conflict. To handle conflicting transmission opportunities, the UE may drop a monitoring occasion or a packet reception for a base station based on prioritization rules. In some cases, to mitigate packet losses, the base station may configure re-transmissions or slot aggregation to provide the UE with additional opportunities to receive a packet. Additionally or alternatively, the UE may transmit a notification message to a base station indicating dropped monitoring occasions or packets.

CELL MEASUREMENT AND SPECIAL FUNCTION SMALL CELL SELECTION METHOD AND APPARATUS FOR USE IN A MOBILE COMMUNICATION SYSTEM

Disclosed is a method by a base station in a wireless communication system. The method includes receiving cell measurement information related to the serving and neighboring cells from at least one terminal served by the base station, receiving status information including load information on serving cells of the small cell base station from the small cell base station, determining a secondary cell group (SCG) of the serving cells of the small cell base station that are capable of serving the terminal based on the cell measurement information and the status information and transmitting information on the SCG to the small cell base station.

Beam failure recovery

Systems, apparatuses, and methods are described for wireless communications. A wireless device may inform a base station of a failure of a beam failure recovery procedure for a secondary cell. The wireless device may include an indicator of the failure in a report providing, or configured to provide, values for signal strength or other characteristic of a downlink signal. The indicator may be in addition to, and/or may replace, one or more indicators of signal strength or other characteristic.

Methods for transmitting and receiving data in 5G NR device based on data/service tagging from application processor

Techniques and devices for service-specific tagging of data by an application processor (AP) of a user equipment device (UE). A first indication may be sent from the UE to a baseband processor (BB) of the UE of one or more quality of service preferences for an upcoming data session, and the BB may configure one or more layers of the BB according to the quality of service preferences. The BB may further communicate with a network to establish protocols for the quality of service preferences. The BB may determine one or more network conditions, and may transmit feedback from the BB to the AP related to the determined network conditions. In response, the AP may send a second indication of one or more updated quality of service preferences to the BB based at least in part on the feedback received from the BB.

DUAL NETWORK GEOGRAPHICAL RADIO CONFIGURATION

Systems, methods, and computer readable mediums for configuring a radio system to provide network service access based on a location of the radio system. The radio system can identify the location and send a location signal indicating its location over a first network. The radio system can receive, over the first network, first configuration data for communicating over a second network based on its location. The radio system can configure itself to communicate over the second network using the first configuration data and subsequently provide network service access over the second network according to the first configuration data.

METHOD FOR CONFIGURING DUAL CONNECTIVITY FOR TERMINAL BY BASE STATION IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SAME

The present invention relates to a method for configuring dual connectivity for a terminal by a base station in a wireless communication system and an apparatus for the same. The method for configuring the dual connectivity for the terminal by the base station in the wireless communication system according to an embodiment of the present invention comprises: receiving a service request message from a terminal connected to a first base station; transmitting, to a second base station, a handover request message including a request for configuring dual connectivity with the terminal when the service request message includes a service that the first base station cannot support; and transmitting, to the terminal, a connectivity configuration message indicating connectivity between the terminal and the second base station on the basis of a handover response message received from the second base station in response to the handover request message.

METHOD FOR CONTROLLING MOBILITY OF TERMINAL IN HETEROGENEOUS NETWORK AND APPARATUS THEREFOR

Provided are a method and an apparatus for performing a mobility control procedure of a terminal, by a master base station. The method includes: determining starting of a secondary node addition procedure for setting a terminal context for a secondary node in order to provide the terminal with a radio resource of the secondary node; transmitting, to the secondary node, a secondary base station addition request message for requesting radio resource allocation for a specific E-UTRAN radio access bearer (E-RAB); and receiving, from the secondary node, secondary cell group radio resource configuration information to be additionally configured in the terminal.

BASE STATION, PROCESSOR, RADIO TERMINAL, AND NETWORK APPARATUS

A base station according to an embodiment is a base station in Evolved-Universal Terrestrial Radio Access Network (E-UTRAN). The base station includes a processor. The processor is configured to configure in a radio terminal a mobility set for LTE-WLAN aggregation (LWA), the mobility set configured of a set of access points in wireless local area network (WLAN), modify the mobility set, and transmit information indicating the modified mobility set to the radio terminal.

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.

Method and apparatus for transmitting/receiving signal in mobile communication system supporting a plurality of carriers

A method for transmitting terminal capability information in a communication system supporting a plurality of carriers is provided. The method includes transmitting a control message including terminal capability information, wherein the terminal capability information includes at least one of an information element (IE) indicating whether to support a multi-bearer, an IE indicating whether to support a secondary cell group (SCG) bearer, or an IE indicating whether to support dual connectivity (DC).

RADIO ACCESS NETWORK NODE, RADIO TERMINAL, AND METHODS AND NON-TRANSITORY COMPUTER-READABLE MEDIA THEREFOR

A second RAN node (2) associated with a second RAT sends a radio resource configuration of the second RAT to a radio terminal (3) via a first RAN node (1) associated with a first RAT. The radio resource configuration explicitly or implicitly indicates at least one numerology that is included in multiple numerologies supported by the second RAT and is different from a reference numerology. It is thus, for example, possible to allow a radio terminal to be configured with a numerology of a cell served by a secondary gNB or a target gNB in Inter-RAT Dual Connectivity between E-UTRA and NR and in a handover from E-UTRA to NR.

Method for concurrently accessing plurality of cells and user equipment

A method and user equipment (UE) are provided for concurrently accessing a plurality of cells. The UE sets a connection with any one cell corresponding to a primary cell among frequency division duplex (FDD)-based cells and time division duplex (TDD)-based cells, and receives, from the any one cell, first cell indexes for the FDD-based cells and second cell indexes for the TDD-based cells. The UE further sets a connection with a secondary cell indicated by any one index among the first cell indexes and the second cell indexes. At least one value among the first cell indexes overlaps with at least one of the second cell indexes.

Emergency call handling

Technology for initiating emergency calls is disclosed. A minimum set of emergency related data (MSD) associated with the emergency call may be identified at a terminal equipment (TE) of a mobile terminal. An attention (AT) command may be generated that includes the MSD and selected configuration information related to the emergency call. The AT command may be sent from the TE of the mobile terminal to a mobile termination (MT) of the mobile terminal in order to setup the emergency call, wherein the mobile terminal (MT) routes the emergency call to a public safety answering point (PSAP) in a communication network.

METHODS AND APPARATUS FOR HETERGENEOUS NETWORK HANDOVER

A first base station provides radio communication service to user equipments, UEs, and a second base station that provides radio communication service to UEs in adjacent cell service area. The first base station receives cell range expansion, CRE, information from the second base station for expanding the size of the first cell and evaluates handover of one or more UEs with respect to the second cell based on the CRE information. In one embodiment, the second base station determines a CRE related configuration that includes the CRE information with respect to the first cell, sends the CRE information to the first base station. For example, the second base station may send a handover request including the CRE information to the first base station. The second base station also may consider CRE information in handover evaluation.

COMMUNICATION CONTROL METHOD

A communication control method according to an embodiment is a communication control method for controlling communication of a user terminal. The communication control method comprises: transmitting, by a cellular base station, data of a predetermined layer, via a WLAN access point to the user terminal; and transmitting, by the user terminal, delivery acknowledgement information based on the received data, via the WLAN access point to the cellular base station.

Method, Apparatus, and System for Dual-Connectivity Communication

A method, an apparatus, and a system for dual-connectivity communication, where the method may include: sending, by a master Node, a first message to a secondary Node, where the first message includes a user plane security policy, and the user plane security policy is used by the secondary Node to determine a user plane security protection method between the secondary Node and a user terminal; receiving, by the master Node, a second message from the secondary Node, where the second message includes user plane security enabling type indication information, and the user plane security enabling type indication information is used to indicate a user plane security protection method between the secondary Node and the user terminal; and sending, by the master Node, a third message to the user terminal, where the third message includes the user plane security enabling type indication information.

Communication system

A communication system is described in which user plane communication and control plane communication for a particular mobile communication device can be split between a base station that operates a small cell and a macro base station. Appropriate security for the user plane and control plane communications is safeguarded by ensuring that each base station is able to obtain or derive the correct security parameters for protecting the user plane or control plane communication for which it is responsible.

METHOD AND APPARATUS FOR MEASUREMENT REPORT

Various embodiments of the present disclosure provide a method for measurement information. The method, which may be implemented at a terminal device, comprises obtaining measurement information based at least in part on configurations of a master network node and a secondary network node. The terminal device is connected to the master network node and the secondary network node. The method further comprises transmitting a report including the measurement information that comprises frequency information to the master network node, in response to a failure related to the secondary network node.

USER EQUIPMENT AND BASE STATION APPARATUS

User equipment communicates with a base station apparatus. The user equipment includes a generating unit that generates terminal capability information including information indicating an uplink band combination; information indicating whether simultaneous transmissions in the uplink band combination is allowed; and information indicating maximum sensitivity degradation when the simultaneous transmissions are executed in the uplink band combination; a transmitting unit that transmits the generated terminal capability information to the base station apparatus; and a receiving unit that receives an uplink scheduling allocation from the base station apparatus. The user equipment executes the simultaneous transmissions in the uplink band combination based on the uplink scheduling allocation.

Method and apparatus for carrying out cooperative cell clustering-based cooperative communication and handover

The present specification suggests a method for improving performance degradation caused by frequent handovers when a terminal moves among several cells, particularly among dense small cells. To this end, required are cooperative transmission among cells and a new handover method. A base station receives RSRP information about an anchor cell and a neighboring cell and configures a cooperation-based cell cluster using the RSRP information. If RSRP values are compared and meet specific conditions, the anchor cell and the neighboring cell carry out cooperative communication. If the RSRP values of the anchor cell and an anchor candidate cell are compared during the cooperative communication and meet specific conditions, handover from the anchor cell to the anchor candidate cell is carried out. If the present invention is applied, when the terminal moves in an environment where small cells are dense, the number of handovers is greatly reduced and thus network burden can be lessened.

Data forwarding method, device, and communications system

Embodiments of the present invention provide a data forwarding method, device, and communications system, which relate to the field of communications and can achieve accuracy and continuity of data transmission during carrier aggregation for cells between base stations. The method includes: sending, by a primary base station, a first message to a secondary base station, where the first message is used to instruct the secondary base station to perform handover, and the first message includes an identifier of a target base station; confirming, by the primary base station, that the secondary base station forwards data to the target base station; and sending, by the primary base station, a second message to a user equipment, where the second message is used to instruct the user equipment to acquire the data from the target base station. The embodiments of the present invention are used for data forwarding.

Apparatus of user equipment (UE) configurable for connectivity with multiple cell groups

Embodiments of user equipment (UE) and methods for enhanced discontinuous reception (DRX) operations for inter eNB carrier aggregation (CA) in an LTE network are generally described herein. In some embodiments, a UE is configured to be served by multiple serving cells. The first set of the serving cells may be associated with a first eNB and a second set of serving cells may be associated with a second eNB. In these embodiments, DRX operations may be performed independently in multiple serving cells belonging to the different eNBs. Other embodiments for enhanced DRX operations are also described.

Communication apparatus, method for controlling communication apparatus and non-transitory computer-readable storage medium

A communication apparatus capable of communicating with a master base station and a secondary base station, after it is decided, in a case where a radio resource control (RRC) state of the apparatus is Inactive state, where the apparatus is disconnected in a physical layer and is connected in a logical layer, to cause the RRC state to transit from the Inactive state to Connected state, where the apparatus is connected in the physical layer and the logical layer, executes processing for connecting with the master base station and the secondary base station, and in a case where the processing for connecting with the master base station or the secondary base station fails, causes the RRC state to transit to Idle state, where the apparatus is connected in neither the physical layer nor the logical layer.

PDCP and ROHC Handling for Multi-Connectivity Handover

Techniques to configure a user equipment (UE) for a multi-connectivity handover with a source base station (SBS) and a target base station (TBS) include encoding a measurement report for transmission to the SBS. The measurement report is triggered based on a measurement event configured by the SBS. Radio resource control (RRC) signaling from the SBS is decoded, the RRC signaling including a handover command in response to the measurement report. The handover command includes an indication for multi-connectivity support by the SBS and the TBS during the handover. A first protocol stack associated with the SBS and a second protocol stack associated with the TBS are configured at the UE. A packet data convergence protocol (PDCP) protocol data unit (PDU) received at the UE during the handover is processed using the first protocol stack or the second protocol stack.

MASTER CELL GROUP FAILURE WHILE THERE IS AN ONGOING SECONDARY CELL GROUP CHANGE

A communication device configured to operate in dual connectivity (DC) with a master node (MN) and a secondary node (SN) can be configured with a master cell group (MCG) configuration associated with the MN and a secondary cell group (SCG) configuration associated with the SN. The communication device can detect a radio link failure on the MCG. The communication device can further determine whether a primary secondary cell group cell (PSCell) change procedure is ongoing. The communication device can further respond to the radio link failure on the MCG based on whether the PSCell change procedure is ongoing.

Signaling in dual connectivity mobile communication networks

There is disclosed a method of a User Equipment, UE, in a 3rd Generation Partnership Project, 3GPP, compliant mobile communications network supporting dual connectivity, and a corresponding UE. The method comprises detecting a signalled reconfiguration procedure of a Data Radio Bearer, DRB, having or changing to a DRB type in which downlink, DL, data is received from only serving cells of a Secondary Cell Group, SCG, connected to a Secondary eNB, SeNB, via an SCG DRB, or in which DL data is received from a SCG and also from serving cells of a Master Cell Group, MCG, connected to a Master eNB, MeNB, via a split DRB. If a DRB reconfiguration procedure type including one or more of: a handover; an SCG change; and DRB type change; is detected, the method further comprises: deciding one or more required layer 2 DRB-related actions resulting from the DRB reconfiguration based on: the initial DRB configuration; the final DRB configuration; and relevant DRB reconfiguration procedure types; and ...

MULTI-LINK COMMUNICATION IN A WIRELESS COMMUNICATION NETWORK

A system includes a device configured to be connected to a first node and a second node. The first and second nodes are located in different entities in a wireless network, a controller configured to cause initiation and establishment of a multi-link connection. The multi-link has at least two links connecting the device with the first and/or the second node. Each link is configured to communicate with the first node and/or the second node. The first node is configured to transmit a request for establishing the connection to the second node. The second node is configured to cause and transmit a confirmation for establishing the connection to the first node and/or the device at reception of the request. The first node and second nodes, at establishment of the connection, are configured to function as a node entity associated with the device and to cause communication with the device over the connection.

APPARATUS, SYSTEM AND METHOD FOR DUAL CONNECTIVITY

An SeNB (30) informs an MeNB (20) that it can configure bearers for the given UE (10). At this time, the MeNB (20) manages the DRB status, and then sends a key S-KeNB to the SeNB (30). The MeNB (20) also sends a KSI for the S-KeNB to both of the UE (10) and the SeNB (30). After this procedure, the MeNB (20) informs an EPC (MME (40) and S-GW (50)) about the new bearer configured at the SeNB (30), such that the S-GW 50 can start offloading the bearer(s) to the SeNB 30. Prior to the offloading, the EPC network entity (MME (40) or S-GW (50)) performs verification that: 1) whether the request is coming from authenticated source (MeNB); and 2) whether the SeNB (30) is a valid eNB to which the traffic can be offload.

NETWORK NODE

A network node includes a control unit that sets an information element in a field included in an inter-network node message for configuring communication with a user apparatus when the field is mandatory in the inter-network node message; and a transmitting unit that transmits, to another network node, the inter-network node message including the field in which the information element is set, wherein, when a predetermined condition is satisfied, the field is mandatory in the inter-network node message.

TECHNIQUES FOR MEASUREMENT REPORTING AND TRANSMIT POWER ALLOCATION IN POWER-CONSTRAINED ENVIRONMENT

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may identify, while camped on a first cell associated with a first radio access technology (RAT), a power management level for a communication using a second RAT, wherein the power management level indicates an available power for the communication using the second RAT, and wherein the available power is based at least in part on an exposure rate or an absorption rate. The UE may delay a transmission of a measurement report on the first cell based at least in part on the identification of the power management level. Numerous other aspects are provided.

EARLY MEASUREMENTS DURING INTER-RAT CELL RESELECTION IN WIRELESS COMMUNICATION

Aspects of the present disclosure relate to apparatuses, methods, and systems for performing early measurements during inter-RAT reselection. During cell reselection, a user equipment (UE) switches from a first cell using a first radio access technology (RAT) to a second cell using a second RAT that is different from the first RAT. The UE receives a measurement configuration from the first cell, and the measurement configuration configures the UE to perform early measurements for at least one RAT. After reselecting to the second cell, the UE determines whether to continue the early measurements based on the measurement configuration.

METHODS, DEVICES, AND SYSTEMS FOR SERVICE-DRIVEN MOBILITY MANAGEMENT

A UE for performing mobility management is disclosed. The UE includes at least one non-transitory computer-readable medium storing computer-executable instructions, and at least one processor coupled to the at least one non-transitory computer-readable medium, and configured to execute the computer-executable instructions to: transmit, to a first network node, a RRC message indicating a required network slice/service of the UE, the required network slice/service uniquely identified by S-NSSAI; receive, from the first network node, a second RRC message including information of a second network node that supports the required network slice/service of the UE when the required network slice/service identified by the S-NSSAI is not supported by the first network node; and perform a mobility management procedure based on the information of the second network node received from the first network node when the required network slice/service is not supported by the first network node.

DYNAMIC HANDOVER PARAMETER ADJUSTMENT BASED ON AMOUNT OF PACKET DROPS AT DUAL-CONNECTIVITY ACCESS NODE PAIR

A system may include an access node to deploy a radio air interface to provide wireless services to one or more wireless devices. The access node may include processing circuitry. The processing circuitry of the access node may monitor an amount of packet drops at a shared network device of a dual connectivity access-node-pair. The processing circuitry of the access node may dynamically adjust one or more handover parameters based on the amount of packet drops at the shared network device. The handover parameters may be adjusted to inhibit handovers to the dual connectivity access-node-pair.

PDCP and ROHC handling for multi-connectivity handover

Techniques to configure a user equipment (UE) for a multi-connectivity handover with a source base station (SBS) and a target base station (TBS) include encoding a measurement report for transmission to the SBS. The measurement report is triggered based on a measurement event configured by the SBS. Radio resource control (RRC) signaling from the SBS is decoded, the RRC signaling including a handover command in response to the measurement report. The handover command includes an indication for multi-connectivity support by the SBS and the TBS during the handover. A first protocol stack associated with the SBS and a second protocol stack associated with the TBS are configured at the UE. A packet data convergence protocol (PDCP) protocol data unit (PDU) received at the UE during the handover is processed using the first protocol stack or the second protocol stack.

ENHANCED LOCAL ACCESS IN MOBILE COMMUNICATIONS

BEAM FAILURE RECOVERY PROCEDURE IN CARRIER AGGREGATION

HANDLING OF STORED CONDITIONAL CONFIGURATION IN A WIRELESS COMMUNICATION NETWORK

OPTIMIZED HANDOVER TO ACHIEVE USER-PLANE ZERO OUTAGE WITH CARRIER AGGREGATION (CA) OR DUAL CONNECTIVITY (DC) DEPLOYMENT

Systems, methods, apparatuses, and computer program products for optimized handover to achieve user-plane zero outage, for example with carrier aggregation (CA) or dual connectivity (DC) deployment, are provided.

SYSTEMS AND METHODS FOR CROSS-CELL CARRIER AGGREGATION FOR COVERAGE BALANCE IMPROVEMENT

A system and methods that are performed by a macro cell and a user equipment (UE) to implement a carrier aggregation mode in a network. The system includes a macrocell including a first coverage area and a plurality of small cells, each of the small cells including a second coverage area wherein the plurality of second coverage areas substantially cover the first coverage area. The macro cell operates a first component carrier as a primary component carrier in a carrier aggregation enabled network and one of the small cells operates a second component carrier as a secondary component carrier in the carrier aggregation enabled network.

DATA TRANSMISSION METHOD AND DATA TRANSMISSION APPARATUS

This application provides a transmission method and a data transmission apparatus, so as to avoid out-of-order of data packets. The method includes: sending, by a source access network device, a first proportion of data packets in a first Packet Data Convergence Protocol PDCP entity in the source access network device to a target access network device by using a data tunnel between the source access network device and a second PDCP entity of the target access network device, where the first proportion of data packets are data packets of a first quality of service QoS flow in a first protocol data unit PDU session, the first PDU session includes at least one QoS flow, the at least one QoS flow corresponds to at least one PDCP entity, the at least one QoS flow includes the first QoS flow, the at least one PDCP entity includes the first PDCP entity, and the first PDCP entity corresponds to the first QoS flow; and sending, by the source access network device, first indication information to ...

INTER BASE STATION HANDOVER WITH DUAL ACTIVE PROTOCOL STACK

АДАПТАЦИЯ МОБИЛЬНОЙ СЕТИ

Изобретение относится к мобильной связи. Технический результат заключается в адаптации мобильной сети. Терминал соединен с первым узлом доступа мобильной сети через первое соединение и со вторым узлом доступа через второе соединение. Первый узел доступа управляет передачей данных для терминала, и второй узел доступа содействует передаче данных для терминала. Способ содержит определение, ухудшается ли качество меньшей мере одного из первого соединения и второго соединения, получение информации ухудшения качества об ухудшении качества по меньшей мере одного из первого соединения и второго соединения на основе этапа определения и адаптацию мобильной сети на основе полученной информации ухудшения качества. Адаптация сети может быть обеспечена простым, эффективным и быстрым способом в случае, когда одно из первого и второго соединения может ухудшиться или испытывать сбой. 9 н. и 21 з.п. ф-лы, 12 ил.

PDCP И УПРАВЛЕНИЕ ПОТОКОМ ДЛЯ РАЗДЕЛЕННОГО ОДНОНАПРАВЛЕННОГО КАНАЛА

Изобретение относится к области связи. Технический результат – создание механизма обратной связи, который помогает сбалансировать поток данных между главной и второй точками сети и гарантирует, что для разделенных однонаправленных каналов главная точка сети не задействует более, чем половину пространства порядковых номеров блоков пакетных данных (PDU) протокола конвергенции пакетных данных (PDCP). Для этого способ содержит отправку одного или более блоков PDCP второму узлу сети на межузловом интерфейсе, причем каждый из одного или более PDU имеет ассоциированный порядковый номер PDCP и ассоциированный порядковый номер, характерный для межузлового интерфейса, причем порядковые номера, характерные для межузловых интерфейсов, присвоенны узлом сети. Способ дополнительно содержит прием обратной связи от второго узла сети. 4 н. и 28 з.п. ф-лы, 9 ил.

СПОСОБ РАСПРОСТРАНЕНИЯ КОНТЕКСТА КЛЮЧА БЕЗОПАСНОСТИ, ОБЪЕКТ УПРАВЛЕНИЯ МОБИЛЬНОСТЬЮ И БАЗОВАЯ СТАНЦИЯ

Изобретение относится к мобильной связи. Технический результат заключается в повышении надежности переключения пути во время агрегации несущих между базовыми станциями. Способ распространения контекста ключа безопасности включает этапы: принимают посредством объекта управления мобильностью от первичной базовой станции первое указание, используемое для запроса переключения пути и указания того, что переключение пути инициируется посредством агрегации несущих между базовыми станциями; в соответствии с первым указанием, обрабатывают переключение пути и оставляют контекст ключа безопасности для переключения пути неизмененным; отправляют второе указание первичной базовой станции, указывающее первичной базовой станции оставить контекст ключа безопасности неизмененным; или отправляют третье указание первичной базовой станции, указывающее первичной базовой станции получить количество раз оборачивания счетчика формирования цепочки следующего скачка в контексте ключа безопасности. 4 н. и 16 з.п.

ОБРАБОТКА ЛИНИЙ СВЯЗИ ДЛЯ ПАРЫ ЛУЧЕЙ

Изобретение относится к механизмам для инструктирования переключения на альтернативную линию связи для пары лучей (BPL). Технический результат заключается в предоставлении эффективной обработки BPL, в частности, в сценариях, в которых лучи текущей BPL более не являются наилучшими, с точки зрения некоторого критерия качества, для связи между терминальным устройством и сетевым узлом. Для этого терминальное устройство сконфигурировано с инициирующим условием для сбоя в линии связи для луча. А способ содержит оценку, в ходе связи с сетевым узлом по текущей BPL, того, что производительность связи должна быть лучше при использовании альтернативной BPL вместо текущей BPL для связи. Способ содержит формирование сообщений по сбою в линии связи для луча для текущей BPL в сетевой узел, без удовлетворения инициирующего условия для сбоя в линии связи для луча для текущей BPL, в силу этого инструктируя переключение на альтернативную BPL. 4 н. и 18 з.п. ф-лы, 7 ил.

СПОСОБ ПЕРЕДАЧИ ДАННЫХ, СЕТЕВОЕ УСТРОЙСТВО И ТЕРМИНАЛ

Изобретение относится к области связи. Технический результат изобретения обеспечивает возможность сетевому устройству в первой системе связи точно определять, следует ли менять сетевое устройство во второй системе связи, при этом определяя, следует ли переключить другое сетевое устройство в первой системе связи. Для достижения указанного результата первое сетевое устройство получает первое измерение, результат которого используется для индикации качества сигнала между терминалом и первым сетевым устройством и между терминалом и вторым сетевым устройством соответственно. Первое сетевое устройство и второе сетевое устройство относятся к первой системе связи. Прием первым сетевым устройством результата второго измерения, которое используется для индикации качества сигнала между терминалом и третьим сетевым устройством и между терминалом и четвертым сетевым устройством, соответственно. Третье сетевое устройство и четвертое сетевое устройство относятся ко второй системе связи, а первая система ...

СПОСОБ ОБРАБОТКИ ОТКАЗА РАДИОКАНАЛА (RLF) И ТЕРМИНАЛЬНОЕ УСТРОЙСТВО

Изобретение относится к технике беспроводной связи и может быть использовано в терминальных устройствах при отказе радиоканала (RLF), возникающем в случае, если у некоторого канала передачи функция передачи данных с репликацией находится в активном состоянии. Способ обработки отказа радиоканала (RLF) включает отключение терминальным устройством функции репликации и передачи данных у первого канала передачи и/или отключение терминальным устройством функции репликации и передачи данных у второго канала передачи, если повторная передача данных первого канала передачи на первом объекте управления радиоканалами (RLC), соответствующем первому каналу передачи, достигает максимального количества повторных передач, при этом несущая частота, отображаемая объектом RLC, соответствующим второму каналу передачи, по меньшей мере частично перекрывает несущую частоту, отображаемую первым объектом RLC. Технический результат - повышение надежности передачи данных. 2 н. и 12 з.п. ф-лы,5 ил.

СПОСОБ БЕСПРОВОДНОЙ СВЯЗИ И ТЕРМИНАЛЬНОЕ УСТРОЙСТВО

Изобретение относится к беспроводной связи. Технический результат - достижение гибкой оценки, согласно информации конфигурации сетевого устройства, необходимости повторного установления объекта уровня PDCP, тем самым предотвращая выполнение операции повторного установления, когда объект уровня PDCP не требуется повторно устанавливать, а следовательно, достижение уменьшения издержки на сигнализацию. Для этого способ содержит этапы, на которых: терминальное устройство принимает информацию конфигурации, которая отправляется сетевым устройством и которая используется для выполнения управления мобильностью на терминальном устройстве, причем информация конфигурации содержит информацию указания, а информация указания используется для конфигурирования объекта уровня PDCP; терминальное устройство определяет, следует ли повторно установить объект уровня PDCP в соответствии с информацией указания. 3 н. и 4 з.п. ф-лы, 6 ил.

УСТРОЙСТВО, ОТНОСЯЩЕЕСЯ К УПРАВЛЕНИЮ СЕТЬЮ ФИКСИРОВАННОГО ШИРОКОПОЛОСНОГО ДОСТУПА

Изобретение относится к мобильной связи. Технический результат заключается в обеспечении возможности получать узлом базовой сети информацию, необходимую для управления сетью фиксированного широкополосного доступа. Устройство содержит блок обработки связи, сконфигурированный, чтобы передавать, к узлу базовой сети, первое сообщение, когда устройство беспроводной связи, которое осуществляет связь с терминальным устройством, осуществляющим связь с базовой станцией, сменяется с первого устройства беспроводной связи на второе устройство беспроводной связи, причем первое сообщение включает в себя адресную информацию второго устройства беспроводной связи и транспортную идентификационную информацию второго устройства беспроводной связи. 7 н. и 3 з.п. ф-лы, 39 ил.

СИСТЕМА БЕСПРОВОДНОЙ ПЕРЕДАЧИ ДАННЫХ, УСТРОЙСТВО В СИСТЕМЕ БЕСПРОВОДНОЙ ПЕРЕДАЧИ ДАННЫХ И СПОСОБ

Изобретение относится к области беспроводной передачи данных, в частности к устройству на стороне оборудования пользователя в системе беспроводной передачи данных, которое позволяет быстро решать проблемы радиосоединения. Технический результат заключается в уменьшении времени перерыва обслуживания оборудования пользователя. Предложено устройство в системе беспроводной связи, содержащее модуль (102) обнаружения проблемы беспроводного соединения, выполненный с возможностью обнаружения первого беспроводного соединения между первым узлом и оборудованием пользователя для определения, возникла ли проблема беспроводного соединения; модуль (104) конфигурирования таймера, выполненный с возможностью запуска первого таймера при обнаружении, что возникла проблема беспроводного соединения в первом беспроводном соединении, при этом оборудование пользователя считает, что наступило событие отказа беспроводного соединения на стороне беспроводного соединения по истечении времени первого таймера; и модуль ...

Apparatus and method for group communication

An apparatus for group communication in a base station through a plurality of terminals connected to a terminal coupler receives periodic reports of Carrier to Interference Noise Ratio (CINR) from the plurality of terminals, calculates the moving average CINR and makes a BS-initiated handover decision for the plurality of terminals, and controls the plurality of terminals to simultaneously perform handover to a target base station.

Measurement configuration and reporting method for multi-carrier system and device thereof

The present invention discloses a measurement configuration and reporting method for multi-carrier system and device thereof, and the method comprises the following steps: eNB sends RRC signaling carrying multi-carrier measurement configuration information to the terminal; said terminal measures according to said multi-carrier measurement configuration information and carries multi-carrier measurement results in measurement report message. In the embodiments of the present invention, the terminal carries multi-carrier measurement results in measurement report message according to RRC signaling sent by eNB to quickly provide measurement results required during eNB handover, thus facilitating source eNB to perform multi-carrier handover for UE under CA.

System and method for reducing data loss during a serving cell change in a multi-flow hsdpa communication network

A method and apparatus for wireless communication may provide for reduced data loss during mobility events in a wireless communication network capable of downlink carrier aggregation. Some aspects of the disclosure provide for maintaining data corresponding to a flow in at least one buffer at a Node B when the Node B acts as a serving cell for the same UE both before and after a serving cell change. Another aspect of the disclosure provides for transferring buffered data from a Node B that acts as a serving cell for a UE before a serving cell change, to a Node B that acts as a serving cell for the UE after the serving cell change.

Base station, mobile station, communication control system, and communication control method

In order to improve the use efficiency of radio resources upon executing a CA function, a base station ( 10 A) forming a communication control system simultaneously transmits and receives a main carrier ( 100 ) and a plurality of sub-carriers ( 101 and 102 ) to wirelessly communicate with a mobile station ( 20 ). Prior to this, the base station ( 10 A) notifies, to the mobile station ( 20 ) through the main carrier ( 100 ), first control information ( 201 ) for communication using the first sub-carrier ( 101 ), and first difference information ( 401 ) on a difference between the first control information ( 201 ) and second control information ( 202 ) for communication using another sub-carrier ( 102 ). The mobile station ( 20 ) reproduces the second control information ( 202 ) by using the first control information ( 201 ) and the first difference information ( 401 ).

Seamless mobility in wireless networks

AP's associated with a communication network and any wireless devices desiring contact, operated according to a protocol in which each wireless device selects AP's with which to communicate. A system coordinator causes the AP's to operate so as to guide each wireless device to an AP selected by the system coordinator. This has the effect that, notwithstanding that the protocol involves having the wireless device make the selection of AP, functionally, the AP's make the selection for it. In a 1st technique, multiple AP's share an identifier, with the system coordinator directing one particular AP to respond to the wireless device, thus appearing to wireless devices as a “personal cell”. In a 2nd technique, AP's each maintain identifiers substantially unique to each wireless device, with the system coordinator directing only one particular AP to maintain any particular wireless device's identifier, thus appearing to wireless devices as a “personal AP”.

Transmission method and reception method for uplink signal, user equipment, and base station

The method and device proposed by the present invention, in a carrier situation having a UE consisting of a plurality serving cells, change a serving cell used in transmitting uplink control information from a specific serving cell to a different serving cell under the control of a BS or the control of a UE. The present invention enables a faster and more flexible transmission/reception of the UL control information.

Method and Apparatus for Sharing Radio Network Infrastructure Using Carrier Aggregation

This disclosure relates a method and a base station for network sharing using carrier aggregation. The base station of a multi-carrier system comprises a multiple of cells, where each cell corresponds to a carrier that is associated with a PLMN. The base station receives ( 302 , S- 424 , S- 516 , S- 616 ) a UE request with information of a UE ( 402, 502, 602 ), where a first cell of said multiple of cells corresponds to a first carrier. The base station determines ( 304 , S- 428 , S- 520 , S- 626 ) based on base station settings and/or UE information, whether an other carrier associated with a different PLMN is available to said UE. If so, the base station sends ( 306 , S- 430 , S- 440 , S- 524 , S- 530 ) a resource configuration message destined for said UE ( 402, 502, 602 ), enabling said UE to configure said other carrier as a SCC. Better coverage, peak rates and capacity, without suffering from the drawbacks of existing RAN sharing techniques, are provided.

Method and Apparatus for Deactivating One of a Primary and Secondary Cells of a User Equipment

A method includes causing a primary cell for a user equipment to be deactivated. The said user equipment has at least one active secondary cell.

FAST CA/DC RECONFIGURATION IN L1/L2 BASED INTER-CELL MOBILITY

Aspects of the present disclosure provide a technique for wireless communications by a user equipment (UE). The UE receives signaling configuring multiple candidate target physical cell identifiers (PCIs) of at least one candidate target cell that support physical (PHY) layer or medium access control (MAC) layer mobility signaling. The UE participates in a handover procedure to a target cell associated with a selected one or more of the candidate target PCIs based on the PHY layer or the MAC layer mobility signaling. The UE modifies a configuration for at least one cell group (CG), wherein the one or more of the candidate target PCIs are associated with component carriers (CCs) of the at least one CG. 1. An apparatus for wireless communications by a user equipment (UE) , comprising: at least one processor and a memory configured to:receive signaling configuring multiple candidate target physical cell identifiers (PCIs) of at least one candidate target cell that support physical (PHY) layer or medium access control (MAC) layer mobility signaling;participate in a handover procedure to a target cell associated with a selected one or more of the candidate target PCIs based on the PHY layer or the MAC layer mobility signaling; andmodify a configuration for at least one cell group (CG), wherein the one or more of the candidate target PCIs are associated with component carriers (CCs) of the at least one CG.2. The apparatus of claim 1 , wherein:information for modifying the configuration is implicitly indicated to the UE;the multiple candidate target PCIs share a common configuration for at least one of a carrier aggregation (CA) or a dual connectivity (DC); andthe configuration is modified by updating the PCIs associated with the CCs of the at least one CG based on the one or more candidate target PCIs associated with the target cell.3. The apparatus of claim 2 , wherein the at least one processor and the memory are further configured to:receive signaling preconfiguring ...

Methods and Nodes for Packet Duplication Relating to Carrier Aggregation in a Wireless Communication Network

There is provided a method in a node for a wireless communication network. The node is configurable with a plurality of radio carriers for radio transmission between the node and one or more other nodes of the wireless communication network. The plurality of radio carriers comprises at least a first carrier and a second carrier. The node is operable according to a protocol stack comprising at least a first layer and a second layer, wherein the second layer is higher than the first layer. The first layer is responsible for aggregation of the first and second radio carriers, and the second layer is responsible for duplication of data packets for transmission over the first and second carriers. The method comprises determining, at a first entity of the first layer, that the second carrier is activated or deactivated; and sending, from the first entity of the first layer to a first entity of the second layer, an indication of the activation or deactivation of the second carrier. 136-. (canceled)37. A method in a node for a wireless communication network , the node being configurable with a plurality of radio carriers for radio transmission between the node and one or more other nodes of the wireless communication network , the plurality of radio carriers comprising at least a first carrier and a second carrier , the node being operable according to a protocol stack comprising at least a first layer and a second layer , wherein the second layer is higher than the first layer , wherein the first layer is responsible for aggregation of the first and second radio carriers , and wherein the second layer is responsible for duplication of data packets for transmission over the first and second carriers , the method comprising:determining, at a first entity of the first layer, that the second carrier is activated or deactivated; andsending, from the first entity of the first layer to a first entity of the second layer, an indication of the activation or deactivation of the ...

METHOD FOR TERMINAL AND BASE STATION INCLUDING MULTIPLE TRANSMISSION AND RECEPTION POINTS (TRP) TO TRANSMIT/RECEIVE SIGNALS IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR

The present invention provides a method for a terminal and a base station including multiple TRPs to transmit/receive signals, and a device therefor. More particularly, the present invention provides a method whereby, if one or more base stations are present, and multiple TRPs are present in each of the base stations, a TRP for signal transmission/reception by a terminal and a base station is selected by using an uplink signal transmitted by the terminal, and a signal is transmitted/received based on the TRP. The present invention also provides a device for the method. 1. A method of transmitting and receiving a signal to and from a user equipment (UE) by a base station (BS) including a plurality of transmission and reception points (TRPs) in a wireless communication system , the method comprising:transmitting, to the UE, resource allocation information on an uplink signal for uplink channel quality measurement;receiving the uplink signal from the UE through each of the plurality of TRPs;measuring uplink channel quality for each of the TRPs using the received uplink signal;selecting a TRP to be used in transmitting and receiving the signal to and from the UE from among the plurality of TRPs based on the measured uplink channel quality; andtransmitting, to the UE, a TRP selection command including information on the selected TRP.2. The method of claim 1 , wherein the uplink signal for the uplink channel quality measurement corresponds to a sounding reference signal (SRS).3. The method of claim 1 , further comprising claim 1 , when the UE is in a radio resource control (RRC) Inactive state claim 1 , periodically transmitting a paging message to the UE.4. The method of claim 3 , further comprising configuring a time offset such that a reception period of the uplink signal is earlier by a predetermined time than a transmission period of the paging message and transmitting the time offset to the UE.5. The method of claim 4 , further comprising claim 4 , when there are a ...

MINIMISATION OF DRIVE TEST IN A TELECOMMUNICATION NETWORK

A communication method and a system for converging a 5th-Generation (5G) communication system or networks beyond 5G communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for internet of tThings (IoT) are provided. The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as a smart home, a smart building, a smart city, a smart car, a connected car, health care, digital education, a smart retail, security and safety services. A method of performing minimisation of drive tests (MDT), in a mobile telecommunication network is provided. The method includes providing an MDT measurement relating to a result of an early measurement, wherein the early measurement is a measurement performed in an idle state or an inactive state, and wherein the mobile telecommunication network configures a user equipment (UE) to report to the mobile telecommunication network upon transition to a connected state. 1. A method of performing minimisation of drive tests (MDT) , in a mobile telecommunication network , the method comprising:providing, by a user equipment (UE), an MDT measurement relating to a result of an early measurement,wherein the early measurement is a measurement performed in an idle state or an inactive state, andwherein the mobile telecommunication network configures the UE to report to the mobile telecommunication network upon transition to a connected state.2. The method of claim 1 , further comprising:reporting, by the UE, the MDT measurement to the mobile telecommunication network upon transition to a connected state, andwherein the MDT measurement reporting comprises reporting of a result of the early measurement and providing location information, associated with the location of the UE at the time the measurement was taken.3. The method of claim 1 , further comprising:logging, by the UE, in an idle state or an inactive state a measurement ...

Secondary Node Change Signaling In Future Radio Networks

A User Equipment context is transferred from a source secondary network node to a target secondary network node. The UE is served by a master network node and the source secondary network node. The source secondary network node transmits, to the target secondary network node, a first message comprising a handover request, and receives a second message comprising configuration data of the target secondary network. After receiving the second message, the source secondary network node transmits, to the master network node, a third message comprising the configuration data of the target secondary network node. 1. A method to transfer a User Equipment context from a source secondary network node to a target secondary network node that is different than the source secondary network node , wherein the UE is served by a master network node and the source secondary network node , the method comprising:transmitting, by the source secondary network node, a first message to the target secondary network node, the first message comprising a handover request;receiving, at the source secondary network node, a second message comprising configuration data of the target secondary network; andafter receiving the second message, transmitting by the source secondary network node to the master network node, a third message comprising the configuration data of the target secondary network node.2. The method of claim 1 , wherein the first message comprising the handover request is indicative of instructions to perform one or more configuration actions.3. The method of claim 2 , wherein the second message comprises a handover response message.4. The method of claim 1 , further comprising receiving claim 1 , at the source secondary network node claim 1 , a fourth message transmitted by the master network node claim 1 , the fourth message comprising a release request.5. A source secondary network node configured to initiate a transfer a User Equipment context from the source secondary network ...

KEY PERFORMANCE INDICATOR IMPROVEMENTS IN WIRELESS COMMUNICATION

Techniques to maximize connectivity to a preferred radio access technology (RAT) (e.g., 5G NR) over a less preferred RAT (e.g., 4G LTE) are disclosed. When a user equipment (UE) is camped on a preferred RAT connectivity capable cell (e.g., NR cell, EUTRA dual-connectivity (ENDC) cell), offsets or biases may be applied to delay triggering of a cell reselection. When UE is camped on a non-preferred RAT connectivity capable cell, offset(s) may be applied to accelerate triggering of the cell reselection. When cell reselection is triggered, offsets or biases may be applied to favor reselection to preferred RAT connectivity capable cell over a non-preferred RAT connectivity capable cell. 1. A method performed by a user equipment (UE) , the method comprising:obtaining one or more reselection parameters defining biases to favor connectivity of the UE to a preferred radio access technology (RAT) connectivity capable cell over a non-preferred RAT connectivity capable cell, the one or more reselection parameters including one or more current serving cell reselection offsets and one or more new serving cell selection offsets;determining, when the UE is in an idle mode and is camped on a current serving cell, whether or not to trigger cell reselection based on one or more measurements at the UE of one or more signals from the current serving cell and based on the one or more current serving cell reselection offsets;determining, when it is determined to trigger the cell reselection, whether or not a new serving cell is found based on one or more measurements at the UE of one or more signals from one or more neighbor cells and based on the one or more new serving cell selection offsets; andcamping on the new serving cell when the new serving cell is found,wherein a preferred RAT connectivity capable cell refers to a preferred RAT capable cell or to a cell capable of providing connectivity to a preferred RAT capable cell.2. The method of claim 1 , wherein the preferred RAT ...

CELL HANDOVER WITH MINIMUM MOBILITY INTERRUPTION

Some of the present implementations provide a method for a user equipment (UE) for performing a handover procedure with minimum mobility interruption. In some of the present implementations, the method receives, at the UE, a reconfiguration message that has an indicator for performing a dual-connectivity based (DC-based) handover procedure. The method then performs the DC-based handover procedure. In some of the present implementations, a packet data convergence protocol (PDCP) entity at the UE maintains different security keys to decipher PDCP packets received from at least one of a source base station and a target base station while the UE is transitioning from the source base station to the target base station, wherein a first security key is associated with the source base station and a second security key is associated with the target base station. 1. A method for a user equipment (UE) for performing a handover procedure with minimum mobility interruption , the method comprising:receiving, at the UE, a reconfiguration message having an indicator for performing a dual-connectivity based (DC-based) handover procedure; andperforming the DC-based handover procedure, wherein a packet data convergence protocol (PDCP) entity at the UE maintains different security keys to decipher PDCP packets received from at least one of a source base station and a target base station while the UE is transitioning from the source base station to the target base station, wherein a first security key is associated with the source base station and a second security key is associated with the target base station.2. The method of claim 1 , wherein deciphering the PDCP packets comprises applying the first security key to PDCP packets received from the source base station and applying the second security key to PDCP packets received from the target base station.3. The method of further comprising reporting a handover procedure failure to the source base station when the DC-based handover ...

Connection Establishment Method And Apparatus

The present disclosure relates to connection establishment methods and apparatus. In one example method, a central unit (CU) function entity receives a first connection establishment request of a master device, where the first connection establishment request includes at least first identification information of a terminal, identification information of a first data radio bearer (DRB), identification information of a target cell, and interface information of the master device. The CU function entity sends a second connection establishment request to a distributed unit (DU) function entity to request the DU function entity to establish a connection to the master device, where the second connection establishment request includes at least second identification information of the terminal, the identification information of the first DRB, and the interface information of the master device. 1. A connection establishment method , comprising:receiving, by a central unit (CU) function entity, a first connection establishment request of a master device, wherein the first connection establishment request comprises at least first identification information of a terminal, identification information of a first data radio bearer (DRB), identification information of a target cell, and interface information of the master device;sending, by the CU function entity, a second connection establishment request to a distributed unit (DU) function entity, wherein the second connection establishment request comprises at least second identification information of the terminal, the identification information of the first DRB, and the interface information of the master device, and wherein the DU function entity is associated with the target cell;receiving, by the CU function entity, a first response message of the DU function entity, wherein the first response message comprises at least the identification information of the first DRB and interface information of the DU function entity; ...

CELL SELECTION METHOD AND USER EQUIPMENT

A cell selection method and user equipment (UE) are provided. The cell selection method is applied to the UE. The cell selection method includes the steps of obtaining a candidate cell group; selecting a first candidate cell sub-group from the candidate cell group according to the communication ability supported by each candidate cell of the candidate cell group; and selecting a camping cell of the UE from the first candidate cell sub-group. 1. A cell selection method , applied to a user equipment (UE) , comprising:obtaining a candidate cell group;selecting a first candidate cell sub-group from the candidate cell group according to communication ability supported by each candidate cell of the candidate cell group; andselecting a camping cell of the UE from the first candidate cell sub-group.2. The cell selection method of claim 1 , further comprising:if the first candidate cell sub-group comprises at least two candidate cells, selecting a second candidate cell sub-group from the first candidate cell sub-group according to network resource of each candidate cell of the first candidate cell sub-group; andselecting the camping cell of the UE from the second candidate cell sub-group.3. The cell selection method of claim 1 , further comprising:if the first candidate cell sub-group comprises only one candidate cell, selecting the candidate cell of the first candidate cell sub-group to be the camping cell of the UE.4. The cell selection method of claim 2 , further comprising:if the second candidate cell sub-group comprises at least two candidate cells, selecting the camping cell of the UE according to signal environment parameters of each candidate cell of the second candidate cell sub-group.5. The cell selection method of claim 4 , further comprising:if the second candidate cell sub-group comprises only one candidate cell, selecting the candidate cell of the second candidate cell sub-group to be the camping cell of the UE.6. The cell selection method of claim 1 , further ...

Mapping special subframes in a wireless communication network

Methods, apparatuses, and systems are described related to mapping special subframes in a wireless communication network. In embodiments, an eNB may assign demodulation reference signals (DM-RSs) and/or cell-specific reference signals (CRSs) to a downlink pilot time slot (DwPTS) of a special subframe responsive to a determined configuration of the special subframe. In embodiments, an eNB may bundle the DwPTS or an uplink pilot time slot (UpPTS) of the special subframe with another subframe for scheduling. In embodiments, a UE may estimate a channel associated with the special subframe based on DM-RSs and/or CRSs transmitted in another subframe. In embodiments, an eNB may exclude the DwPTS from scheduling for certain special subframe configurations if a new carrier type (NCT) is used. In embodiments, an eNB may exclude certain special subframe configurations from use for NCT communications. Other embodiments may be described and claimed.

Dual Radio Operation Between Access Systems Using 3GPP Radio Access Technology

Systems and methods of providing 5G access for a UE are generally described. The UE is simultaneously connected via dual radio operation to a legacy and 5G access system. The UE mobility management states for the access systems are independent of each other. The EPC and 5G CN share an HSS and may share a IP anchor. When handover occurs between access systems, the IP address is retained and the IP anchor used when the UE transmits an Attach Request having a Handover Attach Request Type and otherwise a new IP address is provided and the HSS but not the IP anchor is common between the access systems. The 5G eNB to which the UE is connected is standalone and connected to the 5G CN or dual mode and connected with an EPC via an LTE anchor in addition to the 5G CN. 124-. (canceled)25. An apparatus comprising processing circuitry , wherein the processing circuitry is configured to cause a user equipment (UE) to:perform attachment to a first cell associated with a first network core of a first system, wherein the first cell corresponds to a first radio access technology (RAT);perform attachment to a second cell associated with a second network core of a second system, wherein the second cell corresponds to a second RAT, different from the first RAT;determine to perform a handover of the UE from the first system to the second system;determine a procedure to perform based on whether internet protocol (IP) address preservation is required, wherein the procedure is for handover of a connection to the second system; andperform the determined procedure.26. The apparatus of claim 25 , wherein the procedure for handover of the connection to the second system is a procedure for either an evolved packet core (EPC) or 5G system.27. The apparatus of claim 25 , wherein mobility management mechanisms are independent for the first and second systems.28. The apparatus of claim 25 , wherein the UE is in a connected mode with respect to one of the first and second systems claim 25 , and in an ...

TECHNIQUES FOR UPLINK PERFORMANCE OPTIMIZATION IN DUAL CARRIER OPERATION

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may communicate on a primary carrier using a first antenna port. The UE may communicate on a secondary carrier using a second antenna port. The UE may determine whether to switch the secondary carrier from the second antenna port to the first antenna port based on a channel condition associated with the second antenna port. The UE may switch the secondary carrier from the second antenna port to the first antenna port based on a determination to switch the secondary carrier from the second antenna port to the first antenna port. Numerous other aspects are provided. 1. A method of wireless communication performed by a user equipment (UE) , comprising:communicating on a primary carrier using a first antenna port;communicating on a secondary carrier using a second antenna port;determining whether to switch the secondary carrier from the second antenna port to the first antenna port based on a channel condition associated with the second antenna port; andswitching the secondary carrier from the second antenna port to the first antenna port based on a determination to switch the secondary carrier from the second antenna port to the first antenna port.2. The method of claim 1 , further comprising:switching the primary carrier from the first antenna port to the second antenna port based on the determination to switch the secondary carrier from the second antenna port to the first antenna port.3. The method of claim 1 , wherein the determination whether to switch the secondary carrier from the second antenna port to the first antenna port comprises:determining that the channel condition associated with the second antenna port satisfies a threshold for communicating using the primary carrier, anddetermining whether to switch the secondary carrier from the second antenna port to the first antenna port based on the determination that the channel condition ...

Method and apparatus for implementing inter-radio-access-technologies for services

A method and apparatus may receive policy information from a network. The policy information indicates at least one preferred radio-access-technology for a service. The method may also include entering a coverage area of the at least one preferred radio-access-technology. The method may also include detecting that the service corresponding to the at least one preferred radio-access-technology is offered in the coverage area. The method may also include initiating a request for setup of the detected service.

Device and Method of Handling Radio Access Technology Tight Interworking of Two Cellular Systems

A network comprising a first base station (BS) and a second BS for handling a radio access technology (RAT) tight interworking, comprises the first BS connecting to a communication device via a first RAT; the first BS receiving a second message of a second RAT from the second BS, wherein the second message comprises a second transaction identifier (TI); the first BS transmitting a first message of the first RAT to the communication device via the first RAT, wherein the first message comprises the second message; the first BS receiving a first response message from the communication device; the second BS receiving a second response message from the first BS; and the second BS communicating via the second RAT with the communication device according to a configuration in the second message, when the first BS communicates via the first RAT with the communication device. 1. A network comprising a first base station (BS) and a second BS for handling a radio access technology (RAT) tight interworking , comprising:the first BS of the network connecting to a communication device via a first RAT;the first BS receiving a second message of a second RAT from the second BS of the network, wherein the second message comprises a second transaction identifier (TI);the first BS transmitting a first message of the first RAT to the communication device via the first RAT, wherein the first message comprises the second message and a first TI, and the second message configures the communication device to connect to the second BS via the second RAT;the first BS receiving a first response message of the first RAT from the communication device via the first RAT in response to the first message, wherein the first response message comprises a second response message of the second RAT and the first TI, and the second response message comprises the second TI;the second BS receiving the second response message from the first BS in response to the second message; andthe second BS communicating ...

ACCESS LINK MANAGEMENT METHOD, DEVICE, STORAGE MEDIUM, AND SYSTEM

Provided in the embodiments of the present disclosure are an access link management method, device, storage medium, and system; the method includes: after switching from a first access link provided by a first access device to a second access link provided by a second access device, saving the path of the first access link and/or the context information of the first access link; when switching from the second access link back to the first access link, restoring the first access link with the first access device according to the path of the first access link and/or the context information of the first access link; the path of the first access link and/or the context information of the first access link is also stored in a network device. 1. An access link management method , applied to a terminal device , comprising:after switching from a first access link provided by a first access device to a second access link provided by a second access device, saving at least one of a path of the first access link and context information of the first access link; andwhen switching from the second access link back to the first access link, restoring the first access link with the first access device according to the at least one of the path of the first access link and the context information of the first access link; wherein, the at least one of the path of the first access link and the context information of the first access link is also saved in a network device.2. The method according to claim 1 , wherein the path of the first access link comprises a Radio Resource Control (RRC) path claim 1 , a Non-access Stratum (NAS) path claim 1 , a Packet Data Network (PDN) path and a Protocol Data Unit (PDU) session path between the terminal device and the first access device claim 1 , and a connection between the terminal device and a service access management node; andthe context information of the first access link comprises at least one or more of followings:context information of ...

SECONDARY COMMUNICATION NODE CHANGE

Methods, systems, and devices related to mobility robustness in dual connectivity mode are described. In one representative aspect, a method for wireless communication includes receiving, at a master communication node, a first message from a first secondary communication node requesting a change from a first connection to a second connection. The method includes transmitting a second message to the second secondary communication node to request establishing the second connection. The method includes receiving a third message from the mobile device confirming a configuration of the second connection. The method includes receiving a fourth message from the mobile device indicating a failure of the second connection. The method further includes transmitting a fifth message to the first secondary communication node to report that the change from the first connection to the second connection is an improper change. 1. A method of wireless communication ,receiving, at a master communication node, a first message from a first secondary communication node requesting a change from a first connection between a mobile device and the first secondary communication node to a second connection between the mobile device and a second secondary communication node, wherein the first message includes information identifying the second secondary communication node;transmitting, from the master communication node, a second message to the second secondary communication node to request establishing the second connection between the mobile device and the second secondary communication node;receiving, at the master communication node, a third message from the mobile device confirming a configuration of the second connection between the mobile device and the second secondary communication node;receiving at the master communication node, a fourth message from the mobile device indicating a failure of the second connection between the mobile device and the second secondary communication node; ...

POWER SAVINGS WHILE PERFORMING MULTIPLE CONCURRENT CELL SEARCHES

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may identify a set of base stations that are part of a synchronization group, where at least two of the base stations in the set of base stations operate on different frequencies. In some cases, the UE may identify the set of base stations based on an indication transmitted by a serving base station for the UE. Additionally, once the synchronization group is identified, the UE may schedule synchronization signals together from the set of base stations. For example, after identifying the set of base stations, the UE may identify a measurement timing window associated with the synchronization group and measure a respective synchronization signal for each base station within the measurement timing window. Accordingly, the UE may then transmit a measurement report to the serving base station that includes the synchronization signal measurements. 1. A method for wireless communications by a user equipment (UE) , comprising:identifying a set of base stations that are included in a synchronization group, wherein at least a first base station of the set of base stations operates on a first frequency that is different than a second frequency on which a second base station of the set of base stations operates;identifying a measurement timing window corresponding to the synchronization group;measuring, within the measurement timing window, a respective synchronization signal for each base station of the set of base stations; andtransmitting a measurement report that indicates a set of synchronization signal measurements.2. The method of claim 1 , further comprising:cycling between operating in a measurement power state during the measurement timing window and a lower power state outside of the measurement timing window.3. The method of claim 1 , wherein identifying the measurement timing window comprises:identifying a symbol timing tolerance condition for a band and an intra-band ...

Method and Apparatus for Recovering Network Connection and Communication System

A method and apparatus for recovering network connection and a communication system. In a case where radio link failure occurs in a master base station and a signaling radio bearer of a secondary base station is still available, or a physical layer issue or random access issue occurs in a primary cell but a secondary cell is still available, by transmitting the information on the failure of the master base station and/or the primary cell or autonomously recovering the master base station and/or the primary cell by a UE, the cell or base station where the radio link failure occurs may be quickly changed, connection with the network side may be recovered, and data loss may be reduced. 1. An apparatus for recovering network connection , configured in a UE , the apparatus comprising:a first processing unit configured to, in a case where radio link failure occurs in a first network equipment and/or a first cell, transmit information on the failure of the first network equipment and/or the first cell, or autonomously recover the first network equipment and/or the first cell.2. The apparatus according to claim 1 , wherein the case where radio link failure occurs in a first network equipment comprises that: in a case where the UE is configured with dual-connectivity claim 1 , radio link failure occurs in the first network equipment claim 1 , but a signaling radio bearer of a second network equipment is still available.3. The apparatus according to claim 1 , wherein the case where radio link failure occurs in a first cell comprises that: in a case where the UE is configured with carrier aggregation claim 1 , a physical layer issue or a random access issue occurs in the first cell claim 1 , but a second cell is still available.4. The apparatus according to claim 1 , wherein the first processing unit comprises:a first reporting unit configured to, in a case where the UE is configured with dual-connectivity, transmit a radio link failure report to a network side through the ...

DATA FORWARDING METHOD, DEVICE, AND COMMUNICATIONS SYSTEM

Embodiments of the present invention provide a data forwarding method, device, and communications system, which relate to the field of communications and can achieve accuracy and continuity of data transmission during carrier aggregation for cells between base stations. The method includes: sending, by a primary base station, a first message to a secondary base station, where the first message is used to instruct the secondary base station to perform handover, and the first message includes an identifier of a target base station; confirming, by the primary base station, that the secondary base station forwards data to the target base station; and sending, by the primary base station, a second message to a user equipment, where the second message is used to instruct the user equipment to acquire the data from the target base station. The embodiments of the present invention are used for data forwarding. 1. A method , comprising:receiving, by an apparatus, a message from a primary base station to instruct the apparatus to communicate with the primary base station based on one or more radio access bearers released by a secondary base station; andcommunicating, by the apparatus, with the primary base station based on the one or more radio access bearers.2. The method according to claim 1 , wherein the one or more radio access bearers comprise one claim 1 , some or all radio access bearers between the secondary base station and the apparatus before being released.3. The method according to claim 2 , wherein the one or more radio access bearers released by the secondary base station comprise the one or more radio access bearers handed over from the secondary base station to the primary base station.4. The method according to claim 2 , wherein the message comprises identifiers of the one or more radio access bearers.5. An apparatus claim 2 , comprising: receive a message from a primary base station to instruct the apparatus to communicate with the primary base station ...

SYSTEMS AND METHODS FOR EFFICIENT TRAFFIC OFFLOAD WITHOUT SERVICE DISRUPTION

Methods, systems, and devices for offloading traffic flows without service disruption are disclosed herein. User equipment (UE) is configured to receive an indication that a current packet data network (PDN) connection can be optimized. The current PDN connection is established over a first PDN gateway (PGW). The UE requests connection over a new PDN connection to a same type of service as the current PDN connection without releasing the connection over the first PGW. The UE routes new traffic flows over a second PGW corresponding to the new PDN connection and routes old traffic flows over the first PGW. 120-. (canceled)21. An apparatus for a network node for a network , the network node configured to provide mobility management for a user equipment (UE) wirelessly connectable to the network , the apparatus comprising:a memory interface to send or receive, to or from a memory device, user equipment (UE) information regarding a point of attachment to the network; and process the information to determine whether a user plane connection of the UE needs to be relocated; and', 'generate a message to indicate a request for the user plane connection to be relocated by release of a first user plane connection to the network after establishment of a second user plane connection to the network., 'a processor to22. The apparatus of claim 21 , in which the message is a non-access stratum (NAS) message.23. The apparatus of claim 21 , in which the message is generated for the UE.24. The apparatus of claim 21 , wherein the processor is further configured to perform operations of a mobility management function.25. The apparatus of claim 21 , in which the information regarding the point of attachment to the network is based on a geographic location of the UE.26. A method for a network node claim 21 , the method comprising:processing information to determine whether a user plane connection of a user equipment (UE) needs to be relocated within a network including the network node; ...

5G Mobile Network With Intelligent 5G Non-Standalone (NSA) Radio Access Network (RAN)

Systems, methods and computer software are disclosed for providing for providing a 5G mobile network. In one embodiment a method is disclosed, comprising: providing a first base station having a first coverage area for a first Radio Access Network (RAN); providing a second base station having a second coverage area, the second coverage area within the first coverage area of the first base station for an overlay RAN; providing a 5G base station having a third coverage area, the third coverage area within the first coverage area and within the second coverage area and part of the overlay RAN; and determining, by a 5G Interworking Function (IWF) device, which subscribers are to be serviced by the overlay RAN and which subscribers are to be serviced by the first RAN. 1. A method for providing a 5G mobile network , comprising:providing a first base station having a first coverage area for a first Radio Access Network (RAN);providing a second base station having a second coverage area, the second coverage area within the first coverage area of the first base station for an overlay RAN;providing a 5G base station having a third coverage area, the third coverage area within the first coverage area and within the second coverage area and part of the overlay RAN; anddetermining, by a 5G Interworking Function (IWF) device, which subscribers are to be serviced by the overlay RAN and which subscribers are to be serviced by the first RAN.2. The method of further comprising acting claim 1 , by the 5G IWF claim 1 , as a standard multi-Radio Access Technology (RAT) dual connectivity capable e NodeB towards an Evolved Packet Core (EPC).3. The method of further comprising acting claim 1 , by the 5G IWF claim 1 , as an Evolved Packet Core (EPC) towards the overlay RAN.4. The method of further comprising handing over coverage of a 5G Non-Stand Alone (NSA) User Equipment (UE) to an incumbent RAN when the 5G NSA UE moves out of coverage of the overlay RAN.5. The method of wherein 5G Non- ...

Apparatus and method for multi cell communication using beamforming in wireless communication system

A multicell access method using beamforming in a wireless communication system is provided. In the method for operating a terminal, an access procedure for accessing a first base station using a first antenna and accessing a second base station using a second antenna is performed. Communication with the first base station is performed using the first antenna. Communication with the second base station is performed using the second antenna.

COMMUNICATION METHOD, BASE STATION, AND TERMINAL

Embodiments of the present invention propose a communication method. The communication method includes: obtaining, by a base station, DRB configuration information, where the DRB configuration information is used to determine a mapping relationship between serving cells and DRBs used to carry data of different service types; and sending the DRB configuration information to a terminal, so that the terminal communicates with the base station in a serving cell corresponding to a DRB. The embodiments of the present invention further disclose a base station and a terminal to which the communication method is applied. 1. A communication method comprising: wherein the DRB configuration information is used to determine a mapping relationship between serving cells and DRBs used to carry data of different service types,', 'wherein a DRB is associated with one or more serving cells and each serving cell supports one or more numerologies,', 'wherein the DRB configuration information contains a mapping relationship between a DRB and the one or more numerologies supported by each serving cell, and wherein each of the one or more numerologies is associated with a subcarrier spacing; and, 'obtaining, by a base station, data radio bearer (DRB) configuration information,'}sending, by the base station, the DRB configuration information to a terminal for enabling the terminal to communicate with the base station in one or more serving cells by using one or more numerologies associated with one or more DRBs carrying data of the terminal.2. The communication method according to claim 1 , wherein the mapping relationship between a DRB and the one or more numerologies supported by each serving cell comprises an identity of the DRB claim 1 , and information for indicating the one or more numerologies supported by the each serving cell.3. The communication method according to claim 1 , the information for indicating the one or more numerologies supported by the each serving cell comprises a ...

Methods and apparatus for cell selection

The present disclosure relates to a cell selection scheme. In one embodiment, there provides a method for performing a cell selection for a UE at a primary serving cell of the UE in a CoMP cluster including the primary serving cell and one or more candidate cells, the method comprising the steps of: receiving PRACH measurements for the UE from the candidate cells; and selecting from the candidate cells one or more cells for the UE as its secondary serving cells based on the received PRACH measurements.

METHOD FOR SERVICE TRANSMISSION AND TRANSMISSION DEVICE

An embodiment of the present disclosure provides a method for service transmission, including that: a transmission device determines that at least one first radio access technology in multiple radio access technologies is in an active state; and the transmission device performs service transmission by using the at least one first radio access technology. In such a manner, in the embodiment of the present disclosure, the transmission device determines that the at least one first radio access technology in the multiple radio access technologies is in the active state, and performs service transmission by using the radio access technology in the active state, so that the efficiency of the service transmission may be ensured. 1. A method for service transmission , comprising:determining, by a transmission device, that at least one first radio access technology in the multiple radio access technologies is in an active state; andperforming, by the transmission device, the service transmission by using the at least one first radio access technology.2. The method according to claim 1 , wherein the multiple radio access technologies further comprise at least one second radio access technology claim 1 , and the method further comprises:determining, by the transmission device, that the at least one second radio access technology is in a standby state, wherein the standby state refers to that the at least one second radio access technology has established a connection but there is no data transmission, or refers to that the at least one second radio access technology does not establish any connection but can establish a connection within a preset time length.3. The method according to claim 2 , wherein establishing the connection comprises: having a connection Identifier (ID) and a connection context.4. The method according to claim 2 , wherein the at least one second radio access technology shares a connection context of the at least one first radio access technology.5. The ...

Method for performing beam failure recovery procedure of scell in wireless communication system and apparatus therefor

A method for performing a Scell Beam Failure Recovery (BFR) procedure by a user equipment (UE) in a wireless communication system is disclosed. The method comprises transmitting a message indicating that the Scell BFR procedure is triggered via a cell; incrementing a counter by 1 if the UE does not receive a response to the message; and deactivating the Scell if the counter reaches a maximum value.

System and method for handovers in a dual connectivity communications system

A method for operating a first access node in a dual connectivity (DuCo) handover includes receiving an event trigger for a combined event from a user equipment (UE), sending to a second access node, a combined instruction for primary secondary cell (PSCell) addition and a role change with the second access node in accordance with the event trigger, adding as the second access node as a PSCell, and indicating to the UE, a role change between the first access node and the second access node.

PERFORMING A COMBINATION OF HANDOVER TECHNIQUES

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a source base station (BS), an indication that the UE is to perform a conditional handover from the source BS to a target BS and is to perform at least one of: a two protocol stack handover from the source BS to the target BS or a dual connectivity handover from the source BS to the target BS. The UE may perform the conditional handover and at least one of the two protocol stack handover or the dual connectivity handover based at least in part on the indication. Numerous other aspects are provided. 1. A method of wireless communication performed by a user equipment (UE) , comprising: a two protocol stack handover from the source BS to the target BS, or', 'a dual connectivity handover from the source BS to the target BS; and, 'receiving, from a source base station (BS), an indication that the UE is to perform a conditional handover from the source BS to a target BS and is to perform at least one ofperforming the conditional handover and at least one of the two protocol stack handover or the dual connectivity handover based at least in part on the indication.2. The method of claim 1 , wherein the indication is included in a radio resource control (RRC) connection reconfiguration request from the source BS to the UE claim 1 ,wherein the RRC connection reconfiguration request further includes a set of conditions that the UE is to use to select the target BS.3. The method of claim 2 , wherein performing the conditional handover comprises selecting the target BS based at least in part on a condition claim 2 , of the set of conditions claim 2 , being satisfied.4. The method of claim 1 , further comprising transmitting claim 1 , to the source BS claim 1 , capability information that identifies a capability of the UE to perform at least one of the conditional handover claim 1 , the two protocol stack handover claim 1 , or the dual ...

ELECTRONIC DEVICE AND METHOD FOR ADAPTIVELY CHANGING INFORMATION ABOUT BAND COMBINATION

An electronic device is provided. The electronic device includes wireless communication circuitry, a processor operatively coupled to the wireless communication circuitry, and a memory operatively coupled to the processor. The memory stores instructions configure, based on execution, the processor to control the electronic device to: receive, from a base station, a first message related with user equipment (UE) capability enquiry, the first message including information indicating the number of carrier aggregation (CA) combinations related with a network associated with the base station using the wireless communication circuitry, identify UE capability information, based at least in part on the number of CA combinations related with the network and the number of CA combinations supportable in the electronic device, and transmit a second message including the identified UE capability information to the network using the wireless communication circuitry. 1. An electronic device comprising:at least one memory configured to store instructions;communication circuitry; andat least one processor operatively coupled to the at least one memory and the communication circuitry,wherein the at least one processor is configured, based on executing the instructions, to control the electronic device to:receive information indicating a plurality of bands supportable in a network, from a base station;identify bands available in the electronic device for carrier aggregation (CA), from among the plurality of bands; andtransmit information about a band combination configured with the identified bands, to the base station.2. The electronic device of claim 1 , wherein the at least one processor is configured claim 1 , based on executing the instructions claim 1 , to control the electronic device to:receive a message requesting transmission of a band combination available for CA, from the base station; andtransmit information about the band combination configured with the identified bands, ...

Data Transmission Method, Apparatus, and System

A joint transmission (JT) method and apparatus, the method including selecting, by a network device of a serving cell, a JT user equipment and a coordinated neighboring cell of the JT user equipment, sending, by the network device of the serving cell, a JT user equipment request to a network device of the coordinated neighboring cell, scheduling the JT user equipment and sending scheduling information to the network device of the coordinated neighboring cell, and sending, by the network device of the serving cell, a reference signal and data to the JT user equipment according to the scheduling information, where the reference signal sent by the network device to the JT user equipment by the network device of the serving cell is the same as a reference signal sent by the network device of the coordinated neighboring cell of the JT user equipment to the JT user equipment. 1. A joint transmission (JT) method , comprising:selecting, by a network device of a serving cell, a JT user equipment and a coordinated neighboring cell of the JT user equipment for the serving cell;sending, by the network device of the serving cell, a JT user equipment request to a network device of the coordinated neighboring cell;scheduling, by the network device of the serving cell, the JT user equipment and sending scheduling information to the network device of the coordinated neighboring cell; andsending, by the network device of the serving cell, a reference signal to the JT user equipment and sending data to the JT user equipment according to the scheduling information, wherein the reference signal sent by the network device to the JT user equipment by the network device of the serving cell is the same as a reference signal sent by the network device of the coordinated neighboring cell of the JT user equipment to the JT user equipment.2. The method according to claim 1 , wherein the method further comprises:receiving, by the network device of the serving cell, a JT user equipment feedback ...

METHOD FOR PERFORMING BEAM FAILURE RECOVERY PROCEDURE OF SCELL IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

A method for performing a Scell Beam Failure Recovery (BFR) procedure by a user equipment (UE) in a wireless communication system is disclosed. The method comprises transmitting a message indicating that the Scell BFR procedure is triggered via a cell; incrementing a counter by 1 if the UE does not receive a response to the message; and deactivating the Scell if the counter reaches a maximum value. 1. A method for performing a Beam Failure Recovery (BFR) procedure for a Scell by a user equipment (UE) in a wireless communication system , the method comprising:based on a beam failure of the Scell being detected and there being not available uplink (UL) resources, transmitting, to a network, a first message indicating that the BFR procedure for the Scell is triggered;receiving, from the network, one of a second message being to deactivate the Scell and a third message including an UL grant as a response to the first message;based on the second message being received as the response to the first message, cancelling the triggered BFR for the Scell; andbased on the third message being received as the response to the first message, transmitting, to the network, a fourth message including information related to at least one new beam based on the UL grant.2. (canceled)3. The method of claim 1 , wherein the first message is transmitted on a physical uplink control channel (PUCCH) via the Scell.41. The method of claim 1 , wherein transmitting the first message comprises incrementing a counter by with starting a timer.5. The method of claim 4 , further comprising:initiating the BFR procedure for the Scell, if the counter reaches a maximum value before the timer expires.60. The method of claim 4 , wherein claim 4 , if the timer expires claim 4 , the counter is set to .7. A user equipment (UE) in a wireless communication system claim 4 , the UE comprising:at least one transceiver;at least one processor; and based on a beam failure of a Scell being detected and there being not ...

Beam Failure Recovery Procedure In Carrier Aggregation

Wireless communications may comprise communications between a base station and a wireless device. A wireless device may perform a recovery procedure associated with a secondary cell and/or an access procedure associated with the secondary cell. Based on a deactivation condition associated with the secondary cell, the wireless device may abort the recovery procedure and/or the access procedure. 1. A method comprising:based on a beam failure associated with a secondary cell (SCell), transmitting, by a wireless device, an uplink signal for beam failure recovery (BFR) for the SCell; and deactivating the SCell during the BFR; and', 'aborting the BFR., 'based on a deactivation condition for the SCell during the BFR2. The method of claim 1 , wherein the aborting the BFR comprises at least one of:stopping transmitting the uplink signal;stopping monitoring for a response associated with the uplink signal; orafter monitoring for a response associated with the uplink signal, aborting retransmission of the uplink signal.3. The method of claim 1 , further comprising:receiving a medium access control control element (MAC CE) indicating deactivation of the SCell; andbased on the receiving the MAC CE, determining the deactivation condition for the SCell during the BFR.4. The method of claim 1 , wherein the deactivation condition comprises an expiry of an SCell deactivation timer associated with the SCell.5. The method of claim 1 , wherein the uplink signal comprises at least one of:a preamble;a beam failure recovery request (BFRQ);a scheduling request; ora signal via a physical uplink control channel.6. The method of claim 1 , wherein the deactivating the SCell comprises at least one of:deactivating the SCell during transmission of the uplink signal via a primary cell (PCell);deactivating the SCell after transmission of the uplink signal via the primary cell;deactivating the SCell during monitoring for a response associated with the uplink signal; ordeactivating the SCell before ...

Method and apparatus for establishing secondary connection

Provided are a method and an apparatus for establishing a secondary connection. The method includes: acquiring secondary network access capability information of a terminal device, where the secondary network access capability information is used to indicate a capability for the terminal device to access a secondary access network device; sending a secondary connection addition request message to a first secondary access network device, where the secondary connection addition request message is used to request addition of the first secondary access network device as a network device for transmitting data, and includes the secondary network access capability information; and receiving a confirmation message of the secondary connection addition request message sent by the first secondary access network device, where the confirmation message of the secondary connection addition request message includes first configuration information used to establish the secondary connection between the first secondary access network device and the terminal device.

Dynamic configuration of uplink (ul) and downlink (dl) frame resources for a time division duplex (tdd) transmission

Technology for a user equipment (UE) operable to perform adaptive time division duplexing (TDD) hybrid automatic repeat request (HARQ)-ACKnowledgement (ACK) reporting is described. The UE can implement an adaptive uplink-downlink (UL-DL) configuration received from an eNodeB. The UE can process a downlink (DL) HARQ reference configuration received from the eNodeB for a serving cell. The DL HARQ reference configuration can be for the implemented adaptive UL-DL configuration. The UE can format HARQ-ACK feedback for transmission on a physical uplink control channel (PUCCH) or physical uplink shared channel (PUSCH) of the serving cell in accordance with the DL HARQ reference configuration.

UE CAPABILITY INDICATION FOR MULTI-CONNECTIVITY HANDOVER

Techniques to configure a UE for a multi-connectivity handover with a source base station (SBS) and a target base station (TBS) include encoding UE capability information for transmission to the SBS, the UE capability information indicating tire UE supports multi-connectivity handover. A measurement report is encoded for transmission to the SBS, the measurement report triggered based on a measurement event configured by the SBS. RRC signaling is received from the SBS and includes a handover command for a multi-connectivity handover from the SBS to the TBS. The handover command is in response to the measurement report and the UE capability information. First UL data and second UL data are encoded for transmission during the multi-connectivity handover. The first UL data is encoded for transmission to the SBS and the second UL data is encoded for transmission to the TBS during the multi-connectivity handover. 1. An apparatus of a user equipment (UE) , the apparatus comprising: encode UE capability information for transmission to the SBS, the UE capability information indicating the UE supports multi-connectivity handover;', 'encode a measurement report for transmission to the SBS, the measurement report triggered based on a measurement event configured by the SBS;', 'decode radio resource control (RRC) signaling from the SBS, the RRC signaling including a handover command for a multi-connectivity handover from the SBS to the TBS, the handover command in response to the measurement report and the UE capability information; and', 'encode first uplink (UL) data and second UL data for transmission during the multi-connectivity handover, wherein the first UL data is encoded for transmission to the SBS and the second UL data is encoded for transmission to the TBS during the multi-connectivity handover; and, 'processing circuitry, wherein to configure the UE for multi-connectivity handover with a source base station (SBS) and a target base station (TBS), the processing ...

Method and apparatus for performing mobility related to dual connectivity in wireless communication system

The present disclosure relates to method and apparatus for performing mobility related to dual connectivity (DC) in wireless communication system. According to an embodiment of the present disclosure, a method performed by a radio access network (RAN) node in a wireless communication system comprises: transmitting a first message comprising secondary node (SN) mobility commands of candidate target primary secondary cells (PScells), each of the SN mobility commands being related to an index; and transmitting a second message comprising the index related to a first SN mobility command of a candidate target PScell among the SN mobility commands, and a second SN mobility command of the candidate target PScell, wherein the second SN mobility command includes parameter values of at least one first entry that are updated from those of the at least one first entry in the first SN mobility command, and excludes parameter values of at least one second entry that are included in the first SN mobility command.

HANDOVERS USING DUAL ACTIVE PROTOCOL STACK AND FULL-DUPLEX OPERATION

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, to a base station, an indication that the UE supports dual active protocol stack (DAPS) based handover capability and full-duplex operation capability. The UE may perform a full-duplex based DAPS handover based at least in part on the indication. Numerous other aspects are provided. 1. A user equipment (UE) for wireless communication , comprising:a memory; and transmit, to a base station, an indication that the UE supports dual active protocol stack (DAPS) based handover capability and full-duplex operation capability; and', 'perform a full-duplex based DAPS handover based at least in part on the indication., 'one or more processors, coupled to the memory, configured to2. The UE of claim 1 , wherein the one or more processors are further configured to:receive one or more resource grants that schedule a transmission of a first communication and a simultaneous reception of a second communication during a transition period of the full-duplex based DAPS handover.3. The UE of claim 2 , wherein the first communication is associated with a source cell and the second communication is associated with a target cell claim 2 , orwherein the first communication is associated with the target cell and the second communication is associated with the source cell.4. The UE of claim 2 , wherein the first communication is associated with a source cell claim 2 , a source physical cell identifier (PCI) claim 2 , or a source transmit receive point (TRP) claim 2 , andwherein the second communication is associated with a target cell, a target PCI, or a target TRP.5. The UE of claim 2 , wherein the second communication is associated with a source cell claim 2 , a source physical cell identifier (PCI) claim 2 , or a source transmit receive point (TRP) claim 2 , andwherein the first communication is associated with a target cell, a target PCI, or a target ...

MULTI-CONNECTIVITY USING TIME DIVISION MULTIPLEXING

Techniques to configure a UE for time-division multiplexing (TDM)-based multi-connectivity handover with a source base station (SBS) and a target base station (TBS) include encoding UE capability information for transmission to the SBS. The UE capability information indicates the UE supports the TDM-based multi-connectivity handover. A measurement report is encoded for transmission to the SBS, the measurement report triggered based on a measurement event configured by the SBS. RRC signaling from the SBS is decoded, which includes a handover command in response to the measurement report. The handover command indicates a TDM pattern for multi-connectivity with the SBS and the TBS during the handover. UL data is encoded for transmission to the SBS. Transmission of the UL data to the SBS is time-division multiplexed with communications between the UE and the TBS during the handover based on the TDM pattern. 120-. (canceled)21. An apparatus , comprising: encode a measurement report for transmission to the SBS, the measurement report triggered based on a measurement event configured by the SBS;', 'decode radio resource control (RRC) signaling from the SBS, the RRC signaling including a handover command in response to the measurement report', 'encode uplink (UL) data for transmission to the SBS, wherein transmission of the UL data to the SBS is time-division multiplexed with communications between the UE and the TBS during the handover;, 'a processor, wherein to configure a user equipment device (UE) for time-division multiplexing (TDM)-based multi-connectivity handover with a source base station (SBS) and a target base station (TBS), the processor is configured to cause the UE toperform a random access channel (RACH) procedure with the TBS during the handover, while maintaining connectivity with the SBS; andrelease the SBS only after the RACH procedure with the TBS is successfully completed.22. The apparatus of claim 21 , wherein the handover command originates from the ...

Link Determination and Establishment Method and Apparatus, Transmission System, and Satellite Communication System

A link determination and establishment method and apparatus are provided. In the link determination method, a ground serving base station of User Equipment (UE) receives, from an air serving base station of the UE, link information of a primary link and configuration information of the air serving base station; the ground serving base station determines at least one cooperative base station of the UE and feature information of at least one secondary link according to the link information of the primary link and the configuration information of the air serving base station; and the ground serving base station sends, to the air serving base station and the at least one cooperative base station, indication information for establishing the at least one secondary link, the link information of the primary link, and configuration information of the ground serving base station. 1. A link determination method , comprising:receiving, by a ground serving base station of User Equipment (UE) from an air serving base station of the UE, link information of a primary link and configuration information of the air serving base station, wherein the primary link is a link between the ground serving base station and the air serving base station;determining, by the ground serving base station, at least one cooperative base station of the UE and feature information of at least one secondary link according to the link information of the primary link and the configuration information of the air serving base station, wherein the secondary link is a link among the air serving base station, the cooperative base station and the ground serving base station; andsending, by the ground serving base station to the air serving base station and the at least one cooperative base station, indication information for establishing the at least one secondary link, the link information of the primary link, and configuration information of the ground serving base station.2. (canceled)3. The method according ...

ACK/NACK Messaging in a Single Frequency Network

A method of providing feedback from a plurality of base stations of a single frequency network to a user equipment device to indicate if a data transmission has been received successfully, wherein a positive acknowledgement of successful receipt is transmitted using a first feedback resource and a negative acknowledgement of unsuccessful receipt is transmitted using a second feedback resource, the first and second feedback resources being mutually orthogonal.

Device and Method of Handling a Radio Access Technology Tight Interworking of Two Cellular Systems

A communication device for handling a radio access technology (RAT) tight interworking comprises a storage device storing instructions of connecting to a first base station (BS) via a first RAT; receiving a message from the first BS; transmitting a first response message to the first BS, connecting to a second BS via a second RAT, transmitting a second response message to the second BS and communicating with the second BS when communicating with the first BS, when determining that the message configures the communication device to perform the RAT tight interworking; and not transmitting the first response message to the first BS, disconnecting from the first RAT, connecting to the second BS, transmitting a third response message to the second BS and communicating with the second BS, when determining that the message configures the communication device to perform an inter-RAT handover from the first RAT to the second RAT. 1. A communication device for handling a radio access technology (RAT) tight interworking , comprising:a storage device; anda processing circuit, coupled to the storage device, wherein the storage device stores, and the processing circuit is configured to execute instructions of:connecting to a first base station (BS) via a first RAT;receiving a message from the first BS via the first RAT;determining that the message configures the communication device to perform the RAT tight interworking or to perform an inter-RAT handover from the first RAT to a second RAT;transmitting a first response message to the first BS via the first RAT in response to the message, connecting to a second BS via the second RAT in response to the message, transmitting a second response message of the second RAT to the second BS in response to the message and communicating second data via the second RAT with the second BS when communicating first data via the first RAT with the first BS, when determining that the message configures the communication device to perform the RAT ...

COMMUNICATION CONTROL SYSTEM, COMMUNICATION CONTROL APPARATUS, AND METHOD OF IMPLEMENTATION OF CONTROLLING OF COMMUNICATION PROCESSING

A communication control apparatus disposed in a specific area includes circuitry configured to transmit, using a second communication scheme, connection information used for performing communication between the communication control apparatus and a communication terminal using a first communication scheme, to the communication terminal when the communication terminal exists in the specific area, establish the communication with the communication terminal using the first communication scheme based on the connection information, compare a first condition including at least one of activation time information indicating activation of the controlling of communication processing and deactivation time information indicating deactivation of the controlling of communication processing, and a current time being measured in response to starting the controlling of communication, and deactivate the controlling of communication processing when the current time being measured deviates from the activation time information, or when the current time being measured corresponds to the deactivation time information. 1. A communication control apparatus disposed in a specific area comprising:circuitry configured toimplement controlling of communication processing for communication between the communication control apparatus and a communication terminal;transmit, using a second communication scheme, connection information used for performing communication between the communication control apparatus and the communication terminal using a first communication scheme, to the communication terminal when the communication terminal exists in the specific area, the second communication scheme different from the first communication scheme;establish the communication between the communication control apparatus and the communication terminal using the first communication scheme based on the connection information transmitted to the communication terminal;compare a first condition including at least ...

Coordinated Cell Determining Method And Network Device

Embodiments of this application provide a coordinated cell determining method and a network device. The method includes: determining, by a first network device, a cell in a disabled state in a plurality of cells that are covered by a second network device, where the first network device is adjacent to the second network device; and determining, by the first network device, the cell in the disabled state as a coordinated cell. 1. A coordinated cell determining method , comprising:determining, by a first network device, a cell in a disabled state in a plurality of cells that are covered by a second network device, wherein the first network device is adjacent to the second network device; anddetermining, by the first network device, the cell in the disabled state as a coordinated cell.2. The method according to claim 1 , wherein the determining claim 1 , by a first network device claim 1 , a cell in a disabled state in a plurality of cells that are covered by a second network device comprises:determining, by the first network device based on a measurement report sent by a first terminal, a first cell from the plurality of cells that are covered by the second network device, wherein the measurement report indicates a cell in an enabled state in the plurality of cells that are covered by the second network device, and the first cell is the cell in the enabled state; anddetermining, by the first network device, a second cell that is not in the enabled state as the cell in the disabled state if the first network device determines, based on the measurement report, that the second cell is in the plurality of cells covered by the second network device and that is in a same frequency band as the first cell.3. The method according to claim 1 , wherein the determining claim 1 , by a first network device claim 1 , a cell in a disabled state in a plurality of cells that are covered by a second network device comprises:determining, by the first network device based on a neighboring ...

DUAL NETWORK GEOGRAPHICAL RADIO CONFIGURATION

Systems, methods, and computer readable mediums for configuring a radio system to provide network service access based on a location of the radio system. The radio system can identify the location and send a location signal indicating its location over a first network. The radio system can receive, over the first network, first configuration data for communicating over a second network based on its location. The radio system can configure itself to communicate over the second network using the first configuration data and subsequently provide network service access over the second network according to the first configuration data. 1. A computer-implemented method for configuring a radio system , the method comprising:identifying, at a radio, a location of the radio;sending location data representing the location of the radio over a first network;receiving initial configuration data in response to the location data;establishing, at the radio, a second network based on the initial configuration data; andproviding client devices access to the second network using the radio.2. The computer-implemented method of claim 1 , further comprising:detecting, at the radio, a quality of a signal of an adjacent radio;transmitting signal data representing the quality of the signal of the adjacent radio;receiving, at the adjacent radio, reconfiguration data in response to the signal data; andadjusting at least one of a frequency and power of the signal of the adjacent radio based on the reconfiguration data.3. The computer-implemented method of claim 1 , further comprising:identifying a coverage region for the radio; andadjusting the coverage region of the radio based on a location of an adjacent radio.4. The computer-implemented method of claim 3 , wherein adjusting the coverage region comprises adjusting power of a signal emitted by the radio to modify a size of the coverage region for the radio.5. The computer-implemented method of claim 3 , wherein adjusting the coverage region ...

Facilitating management of secondary cell group failures in fifth generation (5g) or other advanced networks

Facilitating management of secondary cell group failures in advanced networks (e.g., 5G and beyond) is provided herein. Operations of a method can comprise determining, by a system comprising a processor, that a first secondary cell group procedure attempt is unsuccessful. Further, the method can comprise facilitating, by the system, a second secondary cell group procedure attempt based on expiration of a delay timer and based on a determination that a retry attempt threshold level is not exceeded.

METHOD FOR SUPPORTING HANDOVER IN MOBILE COMMUNICATION NETWORK

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system such as Long Term Evolution (LTE). According to embodiments, an access and mobility management function (AMF) comprises at least one transceiver; and at least one processor, wherein the at least one processor is configured to receive, a mobility management entity (MME) for an evolved node B (eNB), a message associated with a handover required message for an inter-system handover from an evolved packet system (EPS) to 5G system (5GS) with a secondary gNB (SgNB) used as a target next generation node B (gNB), wherein the SgNB and the target gNB are co-located and the eNB is associated with the SgNB in a dual connectivity; transmit, to the target gNB, a handover request message for the inter-system handover from the EPS to 5GS with the SgNB used as the target gNB; and receive, from the target gNB, an acknowledge of the handover request message. The handover required message includes an SgNB user equipment (UE) X2 application protocol ID (SgNB UE X2AP ID) for identifying a UE over X2 interface in the SgNB. The handover request message includes the SgNB UE X2AP ID, and the SgNB UE X2AP ID is allocated at the SgNB. 1. A method performed by an access and mobility management function (AMF) , the method comprising:receiving, a mobility management entity (MME) for an evolved node B (eNB), a message associated with a handover required message for an inter-system handover from an evolved packet system (EPS) to 5G system (5GS) with a secondary gNB (SgNB) used as a target next generation node B (gNB), wherein the SgNB and the target gNB are co-located and the eNB is associated with the SgNB in a dual connectivity;transmitting, to the target gNB, a handover request message for the inter-system handover from the EPS to the 5GS with the SgNB used as the target gNB; andreceiving, from the target gNB, an ...

UE CAPABILITY EXCHANGE FOR HANDOVER

A UE transmits to a source base station a capability of the UE associated with a bandwidth class or a band combination. The capability is associated with a handover in which the UE maintains connections with the source base station and a target base station. The UE receives a handover message comprising at least one of a target base station configuration to apply during handover execution or a source base station configuration to apply during handover execution based on the capability of the UE. The UE establishes a connection with the target base station and maintains a connection with the source base station over a period of time during the handover. The UE communicates with the source base station and the target base station during handover execution using at least one of the target base station configuration or the source base station configuration. 1. A method for wireless communications by a user equipment (UE) , comprising:transmitting, to a source base station, a capability of the UE associated with a bandwidth class or a band combination, the capability being associated with a handover in which the UE maintains connections with the source base station and a target base station;receiving a handover message from the source base station serving the UE to handover from the source base station to the target base station, wherein the handover message comprises at least one of a target base station configuration to apply during handover execution or a source base station configuration to apply during the handover execution based on the capability of the UE;establishing a first connection with the target base station;maintaining a second connection with the source base station over a period of time during the handover; andcommunicating with the source base station and the target base station during the handover execution using at least one of the target base station configuration or the source base station configuration.2. The method of claim 1 , wherein the ...

Handover Request Indicating Split of a Radio Bearer between Cells

A method in a first network node for splitting of a DL part and an UL part of a radio bearer between a first cell and a second cell in a wireless communications network. The radio bearer is associated to DL and UL transmissions between the first network node and a user equipment in the first cell. The first network node transmits ( 1904 ) a handover request. The handover request indicates splitting of the DL part and the UL part of the radio bearer between the first cell and the second cell. The first network node receives ( 1905 ) a handover request acknowledge of the handover request. The handover request acknowledge indicates admission of the splitting.

Method for deactivating scells during scg change procedure 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 deactivating SCells during SCG change procedure in the wireless communication system, the method comprising: configuring a PCell (Primary Cell) in a master base station (BS) and a PSCell (Primary-Secondary Cell) and one or more SCells (Secondary Cells) in a secondary BS; receiving an RRC (Radio Resource Control) reconfiguration message indicating a SCG (Secondary Cell Group) change procedure while maintaining a connection with the master base station; and deactivating the one or more SCells in the secondary BS if the PSCell is not changed by the SCG change procedure.

Wireless communication for vehicle based node

A communication system supports communication between an end node ( 101 ) of a vehicle ( 103 ) and a remote correspondent node ( 105 ) via a fixed network ( 107 ) which comprises a plurality of wireless access points ( 109 ) with a directional antenna arrangement for mm wave radio communication using directional beams. A vehicle ( 103 ) comprises wireless modems ( 111, 113, 701, 703 ) employing electronically steerable beamforming directional antennas for establishing mm wave radio communication links to the access points ( 109 ). The wireless modems ( 111, 701 ) forms links to two different access points ( 109 ). A ink manager ( 1101 ) is arranged to terminate a second mm wave radio communication link in response to a link failure a first mm wave radio communication link, and to initialize setup of a third mm wave radio communication link in response to the termination of the second mm wave radio communication link.

A METHOD FOR ENABLING FAST MOBILITY WITH BEAMFORMING INFORMATION

Systems, apparatuses, methods, and computer-readable media are provided for facilitating handoff of a User Equipment, engaged in beamforming, by communicating beam information between a first access point (AP) to a second AP. The first AP associated with a serving cell of the UE includes processor circuitry and interface circuitry. The processor circuitry is configured to determine that the UE device is expected to associate with the second AP and identify a synchronization signal block (SSB) index associated with the first AP. The processor circuitry is further configured to generate a message that includes the SSB index to enable the second AP to pre-configure downlink and uplink resources for the UE before the UE associates with the second AP. The interface circuitry is coupled to the processor circuitry and configured to communicate the message to the second AP. 1. An access point (AP) , comprising: determine that a user equipment (UE) device associated with the AP is expected to associate with a second AP;', 'identify a synchronization signal block (SSB) index used for wireless communication between the AP and the UE device; and', 'generate a message that includes the SSB index to enable the second AP to pre-configure downlink and uplink resources for the UE device before the UE device associates with the second AP; and, 'processor circuitry configured toradio front end circuitry, coupled to the processor circuitry, configured to communicate the message to the second AP.2. The AP of claim 1 , wherein the SSB index identifies an antenna beam direction used for the wireless communication between the AP and the UE device.3. The AP of claim 2 , wherein the antenna beam direction is associated with a performance metric for the wireless communication between the AP and the UE device.4. The AP of claim 2 , wherein the antenna beam direction provides a maximum signal strength of a SSB that is transmitted between the AP and the UE device.5. The AP of claim 1 , wherein ...

PDCP AND ROHC HANDLING FOR MULTI-CONNECTIVITY HANDOVER

Techniques to configure a user equipment (UE) for a multi-connectivity handover with a source base station (SBS) and a target base station (TBS) include encoding a measurement report for transmission to the SBS. The measurement report is triggered based on a measurement event configured by the SBS. Radio resource control (RRC) signaling from the SBS is decoded, the RRC signaling including a handover command in response to the measurement report. The handover command includes an indication for multi-connectivity support by the SBS and the TBS during the handover. A first protocol stack associated with the SBS and a second protocol stack associated with the TBS are configured at the UE. A packet data convergence protocol (PDCP) protocol data unit (PDU) received at the UE during the handover is processed using the first protocol stack or the second protocol stack. 1. An apparatus , comprising:a processor configured to cause a user equipment device (UE) to, in association with a multi-connectivity handover with a source base station (SBS) and a target base station (TBS):transmit a measurement report to the SBS, the measurement report triggered based on a measurement event configured by the SBS;receive radio resource control (RRC) signaling from the SBS, the RRC signaling including a handover command, the handover command including an indication for multi-connectivity support during the handover;configure a first protocol stack associated with the SBS and a second protocol stack associated with the TBS; andprocess a packet data convergence protocol (PDCP) protocol data unit (PDU) received at the UE during the handover, using the first protocol stack or the second protocol stack.2. The apparatus of claim 1 , wherein the processor is further configured to cause the UE to perform one of the following:process the PDCP PDU using the first protocol stack, based on detecting the PDCP PDU originates from the SBS; orprocess the PDCP PDU using the second protocol stack, based on ...

Support of inter-gnb handover in higher layer multi-connectivity

A method and apparatus for supporting of inter-gNB handover in higher layer multi-connectivity is provided. A target master node (MN) of an inter-MN handover procedure receives a handover request message including information on a redundancy sequence number (RSN) from a source MN of the inter-MN handover procedure. The information on the RSN informs that a protocol data unit (PDU) session mapped to the RSN is allocated to a secondary node (SN) of the inter-MN handover procedure for redundant transmission.

Switching Method and Apparatus, and Communication Device

Provided are a handover method and apparatus, and a communication device. The method includes: after a terminal determines that a handover failure occurs or when a handover timer times out, sending first information to a target secondary node, wherein the first information includes handover failure information and/or MCG failure information; and the first information is forwarded to a target master node by the target secondary node, and the target master node determines a new handover process, or, the first information is forwarded to the target master node by the target secondary node and then forwarded to an original master node by the target master node, and the original master node determines the new handover process.

Adding of a Secondary Base Station Based on a Backhaul Interface

A second base station transmits a message to a first base station. Based on the second base station having a backhaul interface to a third base station, the message includes parameters of one or more cells of the third base station. The second base station transmits, to the first base station, a request to add the first base station as a secondary base station. The second base station receives, from the first base station and based on the message, a request of a change of the secondary base station from the first base station to the third base station. 1. A method , for a second base station , comprising:transmitting a message to a first base station, wherein, based on the second base station having a backhaul interface to a third base station, the message comprises parameters of one or more cells of the third base station;transmitting, to the first base station, a request to add the first base station as a secondary base station; andreceiving, from the first base station and based on the message, a request of a change of the secondary base station from the first base station to the third base station.2. The method of claim 1 , wherein the based on the second base station having the backhaul interface to the third base station comprises the second base station being capable of performing a dual-connectivity with one or more cells of the third base station.3. The method of claim 2 , wherein the one or more cells of the third base station are one or more new radio (NR) cells.4. The method of claim 2 , wherein a measurement report for the one or more cells of the third base station is received by the first base station from the wireless device claim 2 , and wherein the receiving the request of the change of the secondary base station is based on the measurement report.5. The method of claim 1 , wherein the message comprising the parameters of the one or more cells of the third base station is based on the second base station being capable of performing a dual- ...

Communication Method And Communication Apparatus

This application provides a communication method and a communication apparatus. A terminal device reports information about a cell in an SCG in which master cell group MCG connection recovery is attempted when the terminal device detects that a connection failure occurs in an MCG, to assist an access network device in configuring a mobility-related parameter. The communication method includes: determining, by a terminal device, a failure report, where the failure report includes information about a cell in a secondary cell group SCG in which master cell group MCG connection recovery is attempted when the terminal device detects that a connection failure occurs in an MCG; and sending, by the terminal device, the failure report to a first access network device. 1. A communication method , comprising:determining, by a terminal device, a failure report, wherein the failure report comprises information about a cell in a secondary cell group (SCG) in which master cell group (MCG) connection recovery is attempted when the terminal device detects that a connection failure occurs in an MCG; andsending, by the terminal device, the failure report to a first access network device.2. The method according to claim 1 , wherein the SCG is an SCG in which a connection failure occurs claim 1 , and the connection failure is detected by the terminal device after detecting that the connection failure occurs in the master cell group MCG; or the SCG is an SCG in which master cell group MCG connection recovery is successfully performed after the terminal device detects that the connection failure occurs in the MCG.3. The method according to claim 1 , wherein the failure report further comprises at least one of the following information:information about a cell in the MCG;a type of the connection failure occurring in the MCG; andinformation about a cell to which the terminal device attempts to connect after the connection failure occurs in the MCG.4. The method according to claim 1 , ...

ROUTE GUIDANCE FOR A MULTIPLE ACTIVE NETWORK WIRELESS DEVICE

A wireless device capable of using multiple SIM cards to simultaneously communicate with multiple cellular networks is presented. The wireless device is a dual-SIM dual-data active device that is capable of receiving and transmitting data packets over multiple cellular networks simultaneously or at substantially the same time. The wireless device may include a second set of antennas and internal hardware, including a second model and processor enabling the wireless device to communicate with at least two cellular networks. The wireless device may select a cellular network to perform a task, such as complete a call or download a video based on a difference in signal strength between the two or more cellular networks supported by the wireless device. 1. A method of determining a route for a wireless device , the method comprising: determining a first location of the wireless device based on one or more radio frequency signals received from networking hardware of a communication network in communication with the wireless device;', 'determining a second location corresponding to a target location of the wireless device;', 'identifying a set of eligible routes between the first location and the second location;', 'accessing signal strength data associated with one or more communication networks along each of the set of eligible routes, the signal strength data corresponding to wireless signal strength between a communication network of the one or more communication networks and one or more wireless devices communicating with the communication network; and', 'selecting a first route from the set of eligible routes based at least in part on the signal strength data associated with the one or more communication networks along each of the set of eligible routes., 'by a hardware processor of a dynamic routing system configured with specific computer-executable instructions,'}2. The method of claim 1 , wherein the first location is a current location of the wireless device.3. ...

Mobility Management Method, Apparatus, and System

Embodiments relate to the field of communications technologies, and specifically, to a mobility management method, an apparatus, and a system. Embodiments of the present invention provide the mobility management method, the apparatus, and the system. When a primary cell of user equipment is changed, a change of the primary cell is performed through modification but not through conventional handover, so that data transmission is uninterrupted when the primary cell is changed. 1. A mobility management method , wherein the method comprises:receiving, by user equipment (UE) from a first base station, a message used for indicating a primary cell (PCell) change, wherein the first base station is a base station that a source PCell of the UE belongs to, and the message used for indicating a PCell change carries information about a target PCell;performing, by the UE, a PCell change based on the received message used for indicating a PCell change, wherein the PCell change comprises: changing the target PCell to a PCell of the UE and changing the source PCell to a secondary cell (SCell) that is in an active state and that is of the UE, and during the PCell change, the UE continues to perform data transmission with the source PCell and the target PCell; andsending, by the UE, a message used for indicating PCell change completion to the first base station or a second base station, wherein the second base station is a base station that the target PCell belongs to.2. The mobility management method according to claim 1 , wherein the PCell change further comprises:determining, by the UE, that the target PCell is not a serving cell of the UE;adding, by the UE, the target PCell as the SCell of the UE; andperforming, by the UE, the PCell change, wherein the PCell change comprises: changing the target PCell to the PCell of the UE and changing the source PCell to the SCell that is in the active state and that is of the UE.3. The mobility management method according to claim 1 , wherein ...

Secondary cell configuration signaling and activation field

Certain aspects of the present disclosure relate to techniques for secondary cell (SCell) configuration signaling and activation procedures. For example, certain aspects provide a method for activating at a user equipment one or more secondary cells of a target base station. The method includes transmitting a measurement report for the one or more secondary cells. The method includes receiving secondary cell activation information for the user equipment from the target base station prior to completion of connection of the user equipment to the target base station, wherein the secondary cell activation information indicates the one or more secondary cells. The method includes activating the one or more secondary cells at the user equipment after completion of connection to the target base station.

LAYERED CONNECTIVITY IN WIRELESS SYSTEMS

Techniques and devices are disclosed for efficient offloading and/or aggregation of resources by providing different levels of connection management in a network. A wireless transmit receive unit (WTRU) may support additional ECM and/or RRC states (e.g. inactive states) and/or transitions that may enable a WTRU to act without an RRC connection and/or with reduced latency. A WTRU may operate with network resources with and/or without radio resources. A WTRU may operate in parallel with a plurality of layers, including a primary layer for which the WTRU may behave according to LTE or other behavior. The WTRU may be configured for operation in a secondary layer. The WTRU may establish a secondary layer security context and/or a tunnel or routing for the secondary layer for transport of user plane data between the WTRU and a gateway. The WTRU may determine to which layer uplink data may be applicable. 125-. (canceled)26. A wireless transmit/receive unit (WTRU) in communication with a wireless communication network , the WTRU comprising:a receiver configured to receive a control signal including an indication to release a Radio Resource Control (RRC) connection and enter a non-connected state having a connectivity context, wherein the control signal further includes a WTRU identity associated with the connectivity context;a buffer configured to store data available for transmission to the wireless communication network; and cause the WTRU to enter the non-connected state;', 'detect, in the non-connected state, the presence of data available for transmission in the buffer; and', 'send a message to resume an RRC_CONNECTED state, the message including the WTRU identity associated with the connectivity context corresponding to the non-connected state., 'a processor configured to27. The WTRU of claim 26 , wherein the processor is further configured to store the connectivity context while the WTRU is in the non-connected state.28. The WTRU of claim 26 , wherein the receiver is ...

COMMUNICATIONS METHOD AND APPARATUS

This application relates to a communications method. The method in this application includes: receiving, by the wireless backhaul device, a message that is sent by a first network device and that is used to indicate the wireless backhaul device to be handed over to a second network device; and sending, by the wireless backhaul device to the second network device in a process in which the wireless backhaul device is handed over to the second network device or in a case in which the wireless backhaul device completes being handed over to the second network device, a message carrying information about a resource of a first link. This application is applicable to a handover procedure of the wireless backhaul device. 1. A communications method , comprising: [ information about a resource that is of a first link and that is configured by a wireless backhaul device,', 'information about a resource that is of a third link and that is determined by the first network device based on the information about the resource of the first link, or', 'information about a resource that is of the first link and that is configured by the first network device,, 'wherein the first message carries first indication information, the first indication information comprises, 'wherein the first message is used to request to hand over the wireless backhaul device to the second network device,', 'wherein the first link is a communications link between the wireless backhaul device and a terminal side device, and', 'wherein the third link is a communications link between the wireless backhaul device and the first network device; and, 'receiving, by a second network device, a first message sent by a first network device,'}sending, by the second network device, a second message to the first network device, wherein the second message is used to indicate that the request for handing over the wireless backhaul device to the second network device is accepted.2. The communications method according to claim 1 ...

DETERMINATION OF CARRIERS TO BE MONITORED IN COMMUNICATION

Embodiments of the present disclosure relate to a method and device for determining carriers to be monitored. In example embodiments, a first number of carriers of a first radio access technology (RAT) to be monitored by a terminal device when operating using a second RAT is determined. The second RAT is different from the first RAT. A first total number of carriers to be monitored by the terminal device when operating using the second RAT is determined at least in part based on the first number. A second number of carriers of the second RAT to be monitored by the terminal device when operating using the first RAT is determined. A second total number of carriers to be monitored by the terminal device when operating using the first RAT is determined at least in part based on the second number. Further, when the terminal device operates using both the first and second RATs, carriers to be monitored by the terminal device are determined based on a difference between a first sum of the first and second total numbers and a second sum of the first and second numbers. In this way, terminal inter-RAT mobility may be enhanced. Meanwhile, due to the subtraction of the duplicated numbers, terminal operations may be simplified, and terminal performance may be improved. 121-. (canceled)22. A method comprising:determining a first number of carriers of a first radio access technology (RAT) to be monitored by a terminal device when operating using a second RAT different from the first RAT;determining, at least in part based on the first number, a first total number of carriers to be monitored by the terminal device when operating using the second RAT;determining a second number of carriers of the second RAT to be monitored by the terminal device when operating using the first RAT;determining, at least in part based on the second number, a second total number of carriers to be monitored by the terminal device when operating using the first RAT; andin response to the terminal device ...

Method and apparatus for transmitting handover request message in wireless communication system

A method and apparatus for transmitting a handover request message in a wireless communication system is provided. For service differentiation from a small cell and a macro cell, a first macro eNodeB (eNB) transmits a handover request message including a list of first services for a user equipment (UE), which are provided by the first macro eNB, and a list of second services for the UE, which are provided by a small cell eNB which has dual connectivity with the first macro eNB.

Method for reporting buffer status and communication device thereof

There is provided a method for a method for reporting buffer status. The method may comprise: identifying a change of a radio bearer; and triggering a buffer status report (BSR), if the change of the radio bearer is identified.

Data Transmission Method and Data Transmission Apparatus

This application provides a transmission method and a data transmission apparatus, so as to avoid out-of-order of data packets. The method includes: sending, by a source access network device, a first proportion of data packets in a first Packet Data Convergence Protocol PDCP entity in the source access network device to a target access network device by using a data tunnel between the source access network device and a second PDCP entity of the target access network device, where the first proportion of data packets are data packets of a first quality of service QoS flow in a first protocol data unit PDU session, the first PDU session includes at least one QoS flow, the at least one QoS flow corresponds to at least one PDCP entity, the at least one QoS flow includes the first QoS flow, the at least one PDCP entity includes the first PDCP entity, and the first PDCP entity corresponds to the first QoS flow; and sending, by the source access network device, first indication information to the target access network device, where the first indication information is used to indicate that all the first proportion of data packets in the first PDCP entity have been sent.

SYSTEMS AND METHODS FOR SINGLE UPLINK OPERATION (SUO) OVER DUAL CONNECTIVITY NETWORKS

Aspects of the subject disclosure may include, for example, obtaining, for a plurality of dual connectivity mobile communication devices that are in communication range of a first access point that uses a first radio access technology and a second access point that uses a second radio access technology, a plurality of network communication parameters, the first radio access technology being a different radio access technology than the second radio access technology; obtaining a list of a plurality of configurations, each configuration identifying one or more time slots in which the first radio access technology is to be used and one or more other time slots in which the second radio access technology is to be used; selecting, from the list, a respective configuration to apply to each of the plurality of dual connectivity mobile communication devices, a first configuration that is selected being selected based at least in part upon one or more first network communication parameters, a second configuration that is selected being selected based at least in part upon one or more second network communication parameters; facilitating first communications, via the first access point and the second access point, with a first dual connectivity mobile communication device according to the first configuration, which is changeable in real-time during the first communications; and facilitating second communications, via the first access point and the second access point, with a second dual connectivity mobile communication device according to the second configuration, which is changeable in real-time during the second communications. Other embodiments are disclosed. 1. A device comprising:a processing system including a processor; and selecting, from a list of configurations, a first configuration identifying one or more time slots in a frame for uplink transmissions using a first radio access technology and one or more remaining time slots in the frame for the uplink ...

Restarting a Bandwidth Part Inactivity Timer of a Wireless Device

A wireless device receives configuration parameters indicating a timer value of a bandwidth part (BWP) inactivity timer. The BWP inactivity timer associated with the timer value is started in response to switching to a first BWP as an active BWP. The BWP inactivity timer is stopped based on initiating a random-access procedure. In response to receiving a control information, the random-access procedure is stopped before the random-access procedure completes. The BWP inactivity timer is restarted based on the stopping of the random-access procedure. 1. A method comprising:receiving, by a wireless device, configuration parameters indicating a timer value of a bandwidth part (BWP) inactivity timer;starting the BWP inactivity timer associated with the timer value in response to switching to a first BWP as an active BWP;stopping the BWP inactivity timer based on initiating a random-access procedure;in response to receiving a control information, stopping the random-access procedure before the random-access procedure completes; andrestarting the BWP inactivity timer based on the stopping the random-access procedure.2. The method of claim 1 , wherein the first BWP is a non-default BWP.3. The method of claim 1 , wherein the configuration parameters further indicate one or more reference signals for the first BWP.4. The method of claim 3 , wherein the one or more reference signals comprise:one or more channel state information reference signals.5. The method of claim 3 , wherein the one or more reference signals comprise one or more synchronization signal/physical broadcast channel blocks.6. The method of claim 1 , wherein a beam failure instance indication of the beam failure instance indications comprises an assessment of one or more reference signals with radio quality lower than a threshold.7. The method of claim 6 , wherein the configuration parameters further indicate the threshold.8. The method of claim 1 , wherein the restarting the BWP inactivity timer further ...

Method of Multi-Connectivity Configuration

A method of supporting fast dual connectivity (DC) configuration after fallback in a 4G/5G network is proposed. A UE is configured with MR-DC (Multi-RAT Dual Connectivity) and is connected to both LTE/NR RAT in LTE/NR serving cells of master cell group (MCG) and secondary cell group (SCG). The UE has to fall back to legacy 2G/3G RAT and is forced to release the DC configuration. The UE records the serving cell information before fallback procedure and sends assistant information of the DC configuration to the network after fallback procedure. The assistant information comprises the stored serving cell information and optional additional measurement results for candidate SCG cells. The assistant information allows the network to resume the highspeed data transmission soon after the fallback procedure.

Evolved node-b (enb) for management of long term evolution (lte) wireless local area network (wlan) aggregation (lwa) and lte wlan internet protocol (lwip)

Embodiments of an Evolved Node-B (eNB) and methods of communication are disclosed herein. The eNB may receive, from an element manager (EM), control signaling that indicates a wireless local area network (WLAN) mobility set that comprises one or more access points (APs) that are controlled by a WLAN termination (WT) entity. The WLAN mobility set may be for a Long Term Evolution WLAN aggregation (LWA) in which the eNB 104 is to configure indirect communication between the eNB and a UE via at least one of the APs of the WLAN mobility set. The eNB may transfer, to the WT entity, a downlink protocol data unit (PDU) to be forwarded to one of the APs of the WLAN mobility set for transmission to the UE as part of the LWA. The downlink PDU may be received from an S-GW.

METHOD FOR CONTROLLING, CHARGING, AND POSITIONING A UE IN A SMALL CELL SYSTEM

A method for controlling, charging and positioning a UE is disclosed, which includes: a master base station sending closed subscriber group (CSG) member status of the UE in a secondary cell to a secondary base station; the master base station sending a CSG identity of the secondary cell and a PLMN identity selected for the UE that serves the UE in a cell of the secondary base station to a mobility management entity (MME); the MME validating CSG member status of the UE in the secondary cell; and the MME sending the validated CSG member status to the master base station with the present application, the UE is able to properly access to the secondary cell, and access control and member validation, charging, and positioning may be performed for the UE reasonably, which improves the user experience. 1. (canceled)2. A method of a first network entity in a wireless communication system , the method comprising:receiving, from a first base station, a location report message including a cell identity of a primary secondary cell (PSCell) of a second base station for a terminal;determining a location of the terminal based on the location report message; andperforming a mobility management for the terminal based on the location of the terminal.3. The method of claim 2 , wherein the location report message further includes a tracking area identity (TAI).4. The method of claim 2 , further comprising:transmitting the cell identity of the PSCell to a second network entity based on the location of the terminal in case that the location of the terminal is changed.5. The method of claim 2 , wherein the cell identity of the PSCell of the second base station is transmitted from the second base station to the first base station.6. A method of a first base station in a wireless communication system claim 2 , the method comprising:generating a location report message including a cell identity of a primary secondary cell (PSCell) of a second base station for a terminal; andtransmitting, to a ...

Communicating data using a local wireless access network node

A local wireless access network node receives a request to offload at least a portion of data traffic for a user equipment from a macro wireless access network node to the local wireless access network node, where the user equipment is to maintain a wireless connection to the macro wireless access network node after the offload. The local wireless access network node sends a response to indicate whether the local wireless access node has accepted or denied the request.

Beacon-based handover option for commissioning and control of wireless network devices

The present invention relates to methods and apparatuses for controlling commissioning and/or control of a combo network device with dual connectivity in a wireless network by using a smart device. In a factory new state, the combo network device has not yet joined any wireless network by its first connectivity (e.g. Zigbee) and thus broadcasts a beacon with beacon information to solicit a connection from the smart device by its second connectivity (e.g. BLE). If the combo network device joins a wireless network, it enters an associated state in which the beacon information will now contain an identification of the wireless network. Thus, the beacon information changes based on the status of the combo network device and supports a handover process for an installer or controller.

Reordering with Dual Protocol to Reduce Mobility Interruption in Wireless Network

Apparatus and methods are provided for mobility interruption reduction. In novel aspect, the UE receives a handover command indicating a dual-stack HO with a target cell, establishes a target protocol stack for the target cell, with target MAC and RLC entities and associates PDCP entity with both the source cell and the target cell, and performs a PDCP reordering for PDCP PDUs received from both the source cell and the target cell. In one embodiment, the source PDCP entity and the target PDCP entity share one UE PDCP entity associated with both the source cell and the target cell. In one embodiment, upon receiving a release command to release the UE connection with the source cell, the UE disassociates the UE PDCP entity with the source cell, and stops the PDCP reordering.

Method and apparatus for managing resource in small cell environment

Disclosed are a method and an apparatus for managing a resource in a small cell environment. The method for managing a resource in a small cell environment by a macro base station for controlling connection between user equipment (UE) and a gateway (GW), includes: configuring at least one packet path between the GW and the UE through a bearer of the macro base station; determining whether to add at least one small base station in the macro base station to the at least one packet path according to signal strength of the at least one small base station from the UE; and changing the at least one packet path using a bearer of a small base station based on the result.

Techniques for indicating full configuration to a secondary node in dual connectivity

Methods, systems, and devices for wireless communications are described. In some systems, a master node (MN) may determine to reconfigure a user equipment (UE) from an existing configuration to a full configuration for a dual connectivity (DC) mode. To perform the reconfiguration, the MN may transmit a signal (e.g., a modification request message) indicating the full configuration to a secondary node (SN). The SN may identify the full configuration reconfiguration triggered at the MN based on the signal. The SN may transmit an acknowledgment message to the MN including a secondary cell group (SCG) configuration for the SN complying with the full configuration. The MN may indicate this SCG configuration as part of the full configuration to the UE (e.g., in a radio resource control (RRC) connection reconfiguration message). The UE may perform a reconfiguration process and communicate with the MN and the SN according to the full configuration.

Failure Processing Method, Handover Method, Terminal Device, And Network Device

This application provides a failure processing method, a handover method, a terminal device, and a network device, to provide a manner in which a terminal receives an RRC configuration of a secondary network device and feeds back an RRC configuration failure. The method includes: directly receiving, by a terminal device, a first RRC configuration of a secondary network device from the secondary network device; and when the first RRC configuration fails, sending, by the terminal device, first indication information to a primary network device to indicate that the first RRC configuration fails. In addition, when the first RRC configuration fails, the terminal reports one piece of first indication information to the primary network device to indicate that the first RRC configuration fails. 1. A method for performing handover in wireless communications , the method comprising:sending, by a first primary network device, a handover request to a second primary network device, wherein the handover request comprises a capability coordination result between the first primary network device and a secondary network device; andreceiving, by the first primary network device, a configuration of the second primary network device from the second primary network device, wherein the configuration of the second primary network device is generated based on the capability coordination result.2. The method according to claim 1 , wherein the capability coordination result comprises a band combination that is available to the first primary network device.3. The method according to claim 2 , wherein the band combination corresponds to an index value maintained in a list.4. The method according to claim 1 , wherein the capability coordination result comprises a size of a layer 2 buffer that is available to the first primary network device.5. The method according to claim 1 , further comprising:receiving, by the first primary network device, a configuration of the secondary network device from ...

DOWNLINK DATA COORDINATION BASED LOW OR 0 MS MOBILITY INTERRUPTION

An apparatus for wireless communication, including a memory and at least one processor coupled to the memory. The at least one processor is configured to receive a pre-allocation resource for a target cell via a handover command and transmit a physical layer acknowledgment based on a target cell downlink packet. The at least one processor is also configured to receive an indication for a communication with the target cell in response to the physical layer acknowledgement and access the target cell using the pre-allocated resource based on the indication for the communication with the target cell. 1. An apparatus for wireless communication , comprising:a memory; and receive a pre-allocation resource for a target cell via a handover command;', 'transmit a physical layer acknowledgment based on a target cell downlink packet;', 'receive an indication for a communication with the target cell in response to the physical layer acknowledgement; and', 'access the target cell using the pre-allocation resource based on the indication for the communication with the target cell., 'at least one processor coupled to the memory, the at least one processor configured to2. The apparatus of claim 1 , wherein the at least one processor is further configured to maintain transmitted and received packets for both a source cell and the target cell based on reception of the handover command.3. The apparatus of claim 1 , wherein the at least one processor is further configured to synchronize to the target cell by concurrently receiving from the target cell and a source cell.4. The apparatus of claim 1 , wherein the pre-allocation resource includes information to access the target cell directly at a target cell pre-allocated subframe.5. The apparatus of claim 1 , wherein the apparatus further comprises a receiver and the processor is further configured to cause the receiver to tune to a frequency of the target cell to receive a physical downlink control channel (PDCCH) from the target cell.6. ...

Method for carrier aggregation performed by terminal in wireless communication system, and terminal using same method

The present invention provides a method for carrier aggregation performed by a terminal in a wireless communication system, the method comprising: transmitting information regarding timing difference; and receiving carrier aggregation setting information that is set by means of the information regarding timing difference, wherein the information regarding timing difference is information regarding the timing difference between a primary cell and a secondary cell that can be supported by the terminal.

Method and apparatus for controlling interference based on carrier aggregation for small base station

A carrier aggregation-based interference control method and apparatus for small base stations are disclosed. The present invention comprises setting a primary component carrier (PCC) as a first carrier and setting a secondary component carrier (SCC) as a second carrier, monitoring a signal-to-interference plus noise ratio (SINR) of the first carrier or the second carrier, and determining whether the SINR of the first carrier is smaller than a predetermined threshold.

METHOD AND DEVICE FOR TRANSMITTING UPLINK CHANNEL, BY TERMINAL, FOR DUAL CONNECTIVITY IN WIRELESS COMMUNICATION SYSTEM

The present disclosure relates to a communication technique for converging IoT technology with a G communication system for supporting a higher data transmission rate beyond a 4G system, and a system therefor. The present disclosure may be applied to an intelligent service (for example, a smart home, a smart building, a smart city, a smart car or connected car, health care, digital education, retail business, a security and safety-related service, etc.) on the basis of G communication technology and IoT-related technology. The present disclosure provides a method and a device for controlling the transmit power of uplink transmission in a wireless communication system.

Device and Method of Handling a Bearer Change in Dual Connectivity

A network is configured to execute instructions of the first BS performing a first dual connectivity (DC) operation procedure with the second BS; the first BS transmitting a first radio resource control (RRC) message on a signaling radio bearer (SRB) to a communication device in response to the first DC operation procedure; the first BS receiving a first RRC response message from the communication device on the SRB, in response to the first RRC message; the second BS receiving a first plurality of packet data convergence protocol (PDCP) Service Data Units (SDUs) associated to a data radio bearer (DRB) from the communication device; and the second BS processing the first plurality of PDCP SDUs according to a first RX_NEXT, a first RX_DELIV and a first RX_REORD which are associated to the DRB. 1. A network comprising a first base station (BS) and a second BS , 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, and the at least one processing circuit is configured to execute instructions of:the first BS performing a first dual connectivity (DC) operation procedure with the second BS;the first BS transmitting a first radio resource control (RRC) message on a signaling radio bearer (SRB) to a communication device in response to the first DC operation procedure, wherein the first RRC message configures a data radio bearer (DRB) according to at least one resource of the second BS;the first BS receiving a first RRC response message from the communication device on the SRB, in response to the first RRC message;the second BS receiving a first plurality of packet data convergence protocol (PDCP) Service Data Units (SDUs) associated to the DRB from the communication device;the second BS processing the first plurality of PDCP SDUs according to a first RX_NEXT, a first RX_DELIV and a first RX_REORD which are associated to the DRB;the first BS transmitting a second ...

Device and Method of Handling a Bearer Change in Dual Connectivity

A network comprising a first base station (BS) and a second BS is configured to execute instructions of the first BS transmitting a first radio resource control (RRC) message on a signaling radio bearer (SRB) to a communication device, wherein the first RRC message configures a data radio bearer (DRB); the first BS receiving a first RRC response message from the communication device on the SRB, in response to the first RRC message; the first BS receiving a first plurality of packet data convergence protocol (PDCP) Service Data Units (SDUs) associated to the DRB from the communication device; and the first BS performing a dual connectivity (DC) operation procedure for the communication device with the second BS to modify the DRB to be a secondary cell group (SCG) bearer or a split bearer. 1. A network comprising a first base station (BS) and a second BS , 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, and the at least one processing circuit is configured to execute instructions of:the first BS transmitting a first radio resource control (RRC) message on a signaling radio bearer (SRB) to a communication device, wherein the first RRC message configures a data radio bearer (DRB);the first BS receiving a first RRC response message from the communication device on the SRB, in response to the first RRC message;the first BS receiving a first plurality of packet data convergence protocol (PDCP) Service Data Units (SDUs) associated to the DRB from the communication device;the first BS processing the first plurality of PDCP SDUs according to a first RX_NEXT, a first RX_DELIV and a first RX_REORD which are associated to the DRB;the first BS performing a dual connectivity (DC) operation procedure for the communication device with the second BS to modify the DRB to be a secondary cell group (SCG) bearer or a split bearer;the first BS transmitting a second RRC ...

Device and Method of Handling a Secondary Node Change in Dual Connectivity

A network is configured to execute instructions of a first base station (BS) performing a first dual connectivity (DC) operation procedure with a second BS; the first BS transmitting a first radio resource control (RRC) message on a signaling radio bearer (SRB) to a communication device in response to the first DC operation procedure; the first BS receiving a first RRC response message from the communication device on the SRB, in response to the first RRC message; the second BS receiving a first plurality of packet data convergence protocol (PDCP) Service Data Units (SDUs) associated to a first data radio bearer (DRB) from the communication device; and the second BS processing the first plurality of PDCP SDUs according to a first RX_NEXT, a first RX_DELIV and a first RX_REORD which are associated to the DRB. 1. A network comprising a first base station (BS) , a second BS and a third BS , 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, and the at least one processing circuit is configured to execute instructions of:the first BS performing a first dual connectivity (DC) operation procedure with the second BS;the first BS transmitting a first radio resource control (RRC) message on a signaling radio bearer (SRB) to a communication device in response to the first DC operation procedure, wherein the first RRC message configures a data radio bearer (DRB) according to at least one resource of the second BS;the first BS receiving a first RRC response message from the communication device on the SRB, in response to the first RRC message;the second BS receiving a first plurality of packet data convergence protocol (PDCP) Service Data Units (SDUs) associated to the DRB from the communication device;the second BS processing the first plurality of PDCP SDUs according to a first RX_NEXT, a first RX_DELIV and a first RX_REORD which are associated to the DRB;the ...

Method and apparatus for handoff of multiple bearers with differing quality of service levels in a wireless communication system

A terminal device and a method of operating a terminal device in a wireless communication network. The method comprises establishing, by the terminal device, a first radio connection with a first network access node for transmission of data via a first bearer and a second radio connection with the first network access node for transmission of data via a second bearer. Based on a difference between quality of service for the data transmission via the first bearer and the second bearer, a third radio connection is established between the terminal device and a second network access node for transmission of the data via the first bearer; and the third radio connection is established between the terminal device and the second network access node, a fourth radio connection is established between the terminal device and the second network access node for transmission of the data via the second bearer.

Apparatus and method for supporting handover with multi-connectivity in wireless communication system

The present disclosure relates to 5 th generation (5G) or pre-5G communication systems for supporting higher data transfer rates, following the 4 th generation (4G) communication systems, such as long term evolution (LTE). A method for supporting handover with multi-connectivity in a wireless communication system is provided. The method includes sending a measurement report message including information of at least one small base station (eNB) to a macro cell eNB, receiving information of a new small eNB in a target cell from the macro cell eNB based on the measurement report message, and performing a random access procedure with the new small eNB in the target cell based on handover.

Method for pdcp control pdu transmission by user equipment (ue)

A user equipment (UE) configured with an uplink (UL) split bearer and method for packet data convergence protocol (PDCP) control protocol data unit (PDU) transmission by the UE are provided. The method includes triggering, by the UE, a PDCP control PDU; determining, by the UE, whether a UL grant is available for a master evolved node B (eNB); transmitting, by the UE, the PDCP control PDU on a link associated with the master eNB, if the UL grant is available for the master eNB; and transmitting, by the UE, the PDCP control PDU on a link associated with a secondary eNB, when the UL grant is unavailable for the master eNB

RESOURCE MANAGEMENT METHOD AND APPARATUS FOR USE IN WIRELESS COMMUNICATION SYSTEM

A resource management method and apparatus allows or restricts use of some or all of the resources of entities of a wireless communication system. A radio resource management method of a radio access point includes receiving a measurement report from a terminal, selecting another radio access point for serving the terminal in cooperation with the serving radio access point based on the measurement report and a Handover Restriction List (HRL), and transmitting a request for serving the terminal to the selected another radio access point. 1. A method by a first base station in a wireless communication system , the method comprising:receiving, from a mobility management entity (MME), access restriction information for a user equipment (UE), wherein the access restriction information for the UE includes information on restrictions to be applied for a mobility action;selecting a second base station based on the access restriction information for the UE;transmitting, to the selected second base station, a second base station addition request message, which includes a serving PLMN identifier, for requesting allocation of resources for dual connectivity of the UE; andreceiving a response message in response to the second base station addition request message from the selected second base station,wherein the serving PLMN identifier is used for managing radio resources according to the dual connectivity by the second base station.2. The method of claim 1 , wherein the second base station addition request message comprises a Secondary evolved Node B (SeNB) ADDITION REQUEST message and the response message comprises a SeNB ADDITION ACKNOWLEDGE message3. The method of claim 1 , wherein the access restriction information includes a list of public land mobile network (PLMN) identifiers.4. The method of claim 1 , wherein the first base station comprises a Master evolved Node B (MeNB) and the second base station comprises a Secondary evolved Node B (SeNB).5. The method of claim 1 , ...

METHODS AND DEVICES FOR SUPPORTING RELEASE OF SIPTO BEARER OR LIPA BEARER IN DUAL-CONNECTIVITY ARCHITECTURE

The present disclosure discloses a method for supporting release of a SIPTO bearer or a LIPA bearer in dual-connectivity architecture. The method is implemented as follows. A MeNB sends a message to a SeNB. The message contains indication information for SIPTO at local network bearer deactivation or LIPA bearer deactivation. The indication information may indicate the SeNB to notify a collocated LGW of releasing PDN connection of SIPTO at local network or the PDN connection of LIPA. After receiving the message, the SeNB removes radio and control plane related resources associated to the UE context or the SIPTO at local network bearer or the LIPA bearer, and if the message contains the indication information for SIPTO@LN bearer deactivation or LIPA bearer deactivation, sends an internal signaling to the collocated LGW to indicate the collocated LGW to release the PDN connection of the SIPTO at local network or the PDN connection of the LIPA. The SeNB is a SeNB supporting functions of the LGW that supports operations of the SIPTO at local network or the operations of the LIPA. By the method of the present disclosure, the SIPTO bearer or the LIPA bearer in the dual-connectivity architecture can be released, thereby avoiding inaccurate operations in an access network, ensuring that the SIPTO bearer or the LIPA bearer can be released duly and accurately, and avoiding inaccurate release of the SIPTO bearer or the LIPA bearer. 115-. (canceled)16. A method for supporting a selected IP traffic offload (SIPTO) by a first base station in a wireless communication system , the method comprising:receiving, from a second base station, a first message indicating a context release of a terminal;identifying whether the first message includes information indicating a deactivation of a packet data network (PDN) connection for a SIPTO; andtransmitting, to a network entity, a second message to request a release of the PDN connection based on the information.17. The method of claim 16 , ...

DYNAMIC CONFIGURATION OF UPLINK (UL) AND DOWNLINK (DL) FRAME RESOURCES FOR A TIME DIVISION DUPLEX (TDD) TRANSMISSION

Technology for a user equipment (UE) operable to perform adaptive time division duplexing (TDD) hybrid automatic repeat request (HARQ)-ACKnowledgement (ACK) reporting is described. The UE can implement an adaptive uplink-downlink (UL-DL) configuration received from an eNodeB. The UE can decode a downlink (DL) HARQ reference configuration received from the base station for a serving cell, wherein the DL HARQ reference configuration is for the implemented adaptive UL-DL configuration. The UE can decode a reference UL-DL configuration received from the base station via a system information block (SIB). The UE can encode HARQ-ACK feedback for transmission on an uplink channel of the serving cell in accordance with the DL HARQ reference configuration. The UE can perform uplink scheduling and the HARQ-ACK feedback based on the reference UL-DL configuration received from the base station via the SIB. 1. At least one non-transitory machine readable storage medium having instructions embodied thereon for performing adaptive time division duplexing (TDD) hybrid automatic repeat request (HARQ)-ACKnowledgement (ACK) reporting from a user equipment (UE) , the instructions when executed by one or more processors at the UE perform the following:implementing, at the UE, an adaptive uplink-downlink (UL-DL) configuration received from a base station;decoding, at the UE, a downlink (DL) HARQ reference configuration received from the base station for a serving cell, wherein the DL HARQ reference configuration is for the implemented adaptive UL-DL configuration;decoding, at the UE, a reference UL-DL configuration received from the base station via a system information block (SIB);encoding, at the UE, HARQ-ACK feedback for transmission on an uplink channel of the serving cell in accordance with the DL HARQ reference configuration; andperforming, at the UE, uplink scheduling and the HARQ-ACK feedback based on the reference UL-DL configuration received from the base station via the SIB.2. ...

Systems and methods for lte-wan aggregation

The present disclosure is directed to methods and system for managing communication of packets. A transceiver node receives a plurality of IP data packets from an internet protocol (IP) network. The transceiver node separates the IP data packets into a first set and a second set of IP data packets, according to channel conditions of a cellular network and a wireless local area network (WLAN). The transceiver node transmits, to a user device, the first set of IP data packets using a cellular network protocol of the cellular network and the second set of IP data packets using a WLAN protocol of the WLAN, causing the user device to aggregate the first set of IP data packets transmitted using the cellular network protocol with the second set of IP data packets transmitted using the WLAN protocol.

HANDOVER BETWEEN NON-STANDALONE AND STANDALONE NETWORKS

Systems, devices, and techniques described herein relate to handover between Non-Standalone (NSA) and Standalone (SA) networks. An example method includes receiving, from a User Equipment (UE), a measurement report indicating that a signal threshold has been satisfied. In response to receiving the measurement report, handover of a communication session from a first core network to a second core network may be initiated. A message confirming that the communication session has been handed over from the first core network to the second core network can be received. In response to receiving the message, handover of the communication session can be initiated between a single radio bearer associated with a first Radio Access Technology (RAT) and a dual radio bearer associated with the first RAT and a second RAT. 1. A system comprising:at least one processor; and{'claim-text': ['receiving, from a User Equipment (UE), a measurement report indicating that a signal threshold has been satisfied;', 'based at least in part on receiving the measurement report, initiating handover of a communication session associated with the UE from a first component associated with a first Radio Access Technology (RAT) to a second component associated with a second RAT;', 'based at least in part on initiating handover of the communication session from the first component to the second component, receiving user plane data associated with the communication session from the first component;', 'receiving a message confirming that the communication session has been handed over from the first component to the second component;', 'based at least in part on receiving the message, initiating handover of the communication session between a single radio bearer associated with the first RAT and a dual radio bearer associated with the first RAT and the second RAT;', 'determining that the handover of the communication session between the single radio bearer and the dual radio bearer is completed; and', ' ...

Bearer Modification Method and Access Network Device

A bearer modification method and an access network device. The method includes determining, by an access network device, that a terminal device completes a complete registration procedure, or determining that the terminal device does not complete the complete registration procedure, and waiting for the terminal device to complete the complete registration procedure, and modifying, by the access network device, a radio access bearer of the terminal device. 1. A bearer modification method , comprising:{'claim-text': ['determining, by an access network device, that a terminal device completes a complete registration procedure; or', 'determining, by an access network device, that the terminal device has not completed the complete registration procedure, and waiting for the terminal device to complete the complete registration procedure in response to determining that the terminal device has not completed the complete registration procedure; and'], '#text': 'performing at least one of:'}modifying, by the access network device, a radio access bearer of the terminal device in response to completion of the registration procedure by the terminal device.2. The method according to claim 1 , wherein the determining that the terminal device completes the complete registration procedure comprises performing at least one of:determining, by the access network device, that the terminal device has completed the complete registration procedure; ordetermining, by the access network device, that the terminal device completes the complete registration procedure within a first time.3. The method according to claim 2 , wherein the terminal device completing the complete registration procedure comprises one or more of:a quantity of radio access bearers in context of the terminal device being greater than, or equal to, a first threshold; ora parameter of one radio access bearer of the context of the terminal device being a specific value.4. The method according to claim 3 , wherein the ...