METHODS FOR UL RACH COVERAGE EXTENSION

Methods and apparatus, including computer program products, are provided for increasing uplink beamforming gain. In one aspect there is provided a method of identifying user equipment which makes use of the proposed new beam-sweeping random access channel procedure that enables the base station to identify the best uplink transmit beam rather than the first beam that the base station managed to detect. Related apparatus, systems, methods, and articles are also described. 1. An apparatus comprising:at least one processor; andat least one non-transitory memory including computer program code;wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to perform:receive from a user equipment a plurality of beam-formed random access signals comprising at least one preamble of a preamble group that indicates a use of beam sweeping by the user equipment; wherein the plurality of beam-formed random access signals are received over a set of random access channel occasions; wherein each of the plurality of beam-formed random access signals are uniquely identifiable by the random access channel occasion over which they are received;select one of the beam-formed random access signals based on a quality metric; andtransmit within a random access response message at least an indicator of the selected beam-formed random access signal.2. The apparatus of wherein the set of random access channel occasions is associated with a synchronization signal block beam ID.3. The apparatus of wherein the at least one memory and computer program code are further configured claim 2 , in response to receiving one of the plurality of beam-formed random access signals claim 2 , with the at least one processor claim 2 , to cause the apparatus at least to:wait to receive all the plurality of beam-formed random access signals before selecting the one of the beam-formed random access signals comprising the at least one ...

UPLINK CONTROL INFORMATION

Embodiments of the present disclosure relate to methods, devices, apparatuses and computer readable storage media for Uplink Control Information (UCI) design. The method comprises determining, at a terminal device, a matrix comprising a set of non-zero linear combination coefficients for quantizing a channel between the terminal device and a network device, the matrix having spatial components and frequency components; shifting the frequency components of the matrix circularly, such that a target coefficient of the set of non-zero linear combination coefficients is located in a frequency component with a predetermined index of the frequency components in a shifted matrix; generating a first indication indicating the spatial component associated with the target coefficient in the matrix; and transmitting, to the network device, uplink control information comprising the first indication. In this way, a new solution for designing the UCI may reduce the overhead for reporting the parameters in the UCI. 1. A method , comprising:determining, at a terminal device, a matrix comprising a set of non-zero linear combination coefficients for quantizing a channel between the terminal device and a network device, the matrix having spatial components and frequency components;shifting the frequency components of the matrix circularly, such that a target coefficient of the set of non-zero linear combination coefficients is located in a frequency component with a predetermined index of the frequency components in a shifted matrix;generating a first indication indicating the spatial component associated with the target coefficient in the matrix; andtransmitting, to the network device, uplink control information comprising the first indication.2. The method of claim 1 , wherein determining the matrix comprises:receiving downlink control information received from the network device;obtaining a resource indication associate with the spatial components and the frequency components; ...

DEVICES AND METHODS FOR EXCHANGING CHANNEL STATE INFORMATION

The invention relates to a communication device comprising: a communication interface configured to transmit a pilot signal via a communication channel to a further communication device and to receive a plurality of data elements representing channel state information (CSI) from the further communication device, wherein the plurality of data elements are a subset of a set of data elements representing the full channel state information (CSI) being available at the further communication device; and a processing unit configured to generate the full channel state information (CSI) on the basis of the plurality of data elements by applying a fitting scheme to the plurality of data elements received from the further communication device. 1. A communication device , comprising:a communication interface configured to transmit a pilot signal via a communication channel to a further communication device and to receive a plurality of data elements representing channel state information (CSI) from the further communication device, wherein the plurality of data elements are a subset of a set of data elements representing the full channel state information (CSI) being available at the further communication device; anda processors configured to generate the full channel state information (CSI) on the basis of the plurality of data elements by applying a fitting scheme to the plurality of data elements received from the further communication device.2. The communication device of claim 1 , wherein the processors is configured to generate the full channel state information (CSI) on the basis of the plurality of data elements by applying a piecewise linear fitting scheme to the plurality of data elements received from the further communication device.3. The communication device of claim 1 , wherein the processors is further configured to determine a respective frequency or a respective time associated with each data element of the plurality of data elements on the basis of data ...

MAPPING OF WINDOWED FD BASIS TO A COMBINATORIAL INDICATOR FOR PMI REPORTING AND USAGE

A UE determines a PMI, by performing at least the following: determining an intermediate set of vectors from a FD codebook; forming a subset of the intermediate set of vectors; mapping the subset of vectors to a combinatorial indicator; and forming the PMI at least from the combinatorial indicator. The UE sends the PMI toward a wireless network. A base station receives the PMI from the UE. The PMI includes a combinatorial indicator that maps to a subset of vectors from the FD codebook. The base station determines, using at least the received PMI, information from at least the FD codebook to apply to data for transmission toward the UE. 1. A method , comprising: determining an intermediate set of vectors from a frequency-domain codebook;', 'forming a subset of the intermediate set of vectors;', 'mapping the subset of vectors to a combinatorial indicator; and', 'forming the precoding matrix indicator at least from the combinatorial indicator; and, 'determining a precoding matrix indicator by a user equipment, comprisingsending by the user equipment the precoding matrix indicator toward a wireless network.2. The method of claim 1 , wherein: {'sub': initial', 'initial', 'initial', '3', '3, 'selecting the intermediate set of vectors based on an initial value, M, where Mis selected from a set of nonpositive values {−2M+1, −2M+2, . . . , 0}, wherein there are 2M vectors in the intermediate set of vectors, wherein the indices of the intermediate set of vectors are defined as IntS={(M−i) mod N, i=0, 1, . . . , 2M−1}, where Nis a size of the frequency-domain codebook of vectors;'}, 'determining the intermediate set of vectors comprises 'selecting the subset of M vectors from the intermediate set of 2M vectors;', 'forming the subset of the intermediate set of vectors further comprises applying a first map to nonzero indices of the M vectors inside the intermediate set to obtain first intermediate indices defined between one and 2M−1;', 'applying a second map to the first ...

CHANNEL STATE INFORMATION RELATED FEEDBACK REPORTING AND CHANNEL STATE INFORMATION ACQUISITION

An apparatus reports feedback messages for channel state information estimation with respect to a channel between a first antenna of a first device and a second antenna of a second device. The apparatus is configured to determine a frequency response across a predetermined bandwidth of the channel between the first antenna and the second antenna, sample a phase of the determined frequency response in order to obtain a number of samples of the phase of the determined frequency response, and send to a further apparatus at least a first feedback message including information of at least a subset of the obtained samples. 1. An apparatus for reporting feedback messages for channel state information (CSI) estimation with respect to a channel between a first antenna of a first device and a second antenna of a second device , the apparatus being configured to:determine a frequency response across a predetermined bandwidth of the channel between the first antenna and the second antenna;sample a phase of the determined frequency response to obtain a number of samples of the phase of the determined frequency response; andsend at least a first feedback message of the feedback messages, the feedback message comprising information of at least a subset of the obtained samples.2. The apparatus of being further configured to receive at least one signaling message for requesting the reporting of the feedback messages for the CSI estimation claim 1 ,wherein the determination of the frequency response across the predetermined bandwidth of the channel between the first antenna and the second antenna and/or the sampling of the phase of the determined frequency response is performed based on the at least one received signaling message.3. The apparatus of being further configured to dynamically adapt the number of samples of the phase of the determined frequency response on the basis of a variation of a channel state of the channel.4. The apparatus of being further configured to ...

APPARATUS, METHOD AND COMPUTER PROGRAM FOR UPLINK CONTROL SIGNALLING

An apparatus () comprising means for performing: grouping columns of a linear combination coefficient matrix into a predefined number of clusters; and sending at least one of the clusters in a second part of a uplink control signalling transmission of a channel to an access node, wherein the uplink control signalling transmission comprises a first part and the second part. 1. An apparatus comprising:at least one processor; andat least one memory including computer program code;the at least one processor and the computer program code configured to, with the at least one processor, cause the apparatus to:group columns of a linear combination coefficient matrix into a predefined number of clusters; andsend at least one of the clusters in a second part of an uplink control signalling transmission of a channel to an access node, wherein the uplink control signalling transmission comprises a first part and the second part.2. The apparatus according to claim 1 , wherein the grouping columns of the linear combination coefficient matrix into a predefined number of clusters is based on frequency domain components indices associated to linear combination coefficients of the linear combination coefficient matrix or is based on the amplitudes of the linear combination coefficients of the linear combination coefficient matrix.3. The apparatus according to claim 1 , wherein the predefined number of clusters is at least one of:specific to a rank indicator of the channel;common across different rank indicators of the channel;specific to a spatial layer of the channel; andcommon across different spatial layers of the channel.4. The apparatus according to claim 1 , wherein the uplink control signalling transmission comprises a frequency domain compressed type II channel state information report.5. The apparatus according to claim 1 , wherein the at least one processor and the computer program code are further configured to:receive, in a radio resource configuration message, a number ...

CHANNEL PREDICTION FRAMEWORK FOR RADIO COMMUNICATION

A method for predicting channel state information is described. The method includes determining whether or not geodesic prediction is to be performed and transmitting the determination of whether or not geodesic prediction is to be performed in a first part of uplink control signaling. In response to determining that geodesic prediction is not to be performed, the method includes transmitting a current channel estimate in a second part of uplink control signaling, and in response to determining that geodesic prediction is to be performed, the method includes transmitting either a determined current value of a tangent vector, or a determined step size parameter, or both the determined current value of the tangent vector and the determined step size parameter in the second part of uplink control signaling. Channel state information is predicted based on information provided in the first and second parts of uplink control signaling. 136.-. (canceled)37. A method comprising:determining whether or not geodesic prediction is to be performed;transmitting the determination of whether or not geodesic prediction is to be performed in a first part of uplink control signaling;in response to determining that geodesic prediction is not to be performed, transmitting a current channel estimate in a second part of uplink control signaling; andin response to determining that geodesic prediction is to be performed, transmitting either a determined current value of a tangent vector, or a determined step size parameter, or both the determined current value of the tangent vector and the determined step size parameter in the second part of uplink control signaling;wherein channel state information is predicted based on information provided in the first part of uplink control signaling and the second part of uplink control signaling.38. The method as in claim 37 , wherein in response to determining that geodesic prediction is to be performed claim 37 , transmitting only the determined step ...

METHODS AND APPARATUSES FOR DIFFERENTIATING BETWEEN USER EQUIPMENT

Systems, methods, apparatuses, and computer program products for differentiating between user equipment, having different capabilities are provided. One method may include transmitting, by a user equipment, a first transmission to a network node. The method may include indicating at least one type of the user equipment. For example, the indicating may include at least one of transmitting the first transmission on a frequency resource that has been modified in frequency domain from an allocated frequency resource by a shifting factor, and/or transmitting the first transmission on the allocated frequency resource and power scaling at least one resource element of the allocated resource. 1. A method , comprising:transmitting, by a user equipment, a first transmission to a network node; andindicating at least one type of the user equipment,wherein the indicating comprises at least one of transmitting the first transmission on a frequency resource that has been modified in frequency domain from an allocated frequency resource by a shifting factor, or transmitting the first transmission on the allocated frequency resource and power scaling at least one resource element of the allocated resource.2. The method of claim 1 , wherein the indicating further comprises indicating whether one or more further transmissions follow the first transmission based on the transmitting of the first transmission on a frequency resource that has been modified in frequency domain from an allocated frequency resource or based on the transmitting of the first transmission with the power scaling of the at least one resource element of the allocated resource.3. The method of claim 2 , wherein the further transmissions comprise one or more repetitions of the first transmission.43. The method of claim 2 , wherein the first transmission comprises a Msg transmission.5. The method of claim 1 , wherein the power scaling of the at least one resource element of the allocated resource comprises ...

Transmission of Parameter

According to an example aspect of the present invention, there is provided an apparatus, such as a user equipment, including at least one processing core, at least one memory including computer program code, the at least one memory and the computer program code being configured to, with the at least one processing core, cause the apparatus at least to initiate a random access process with a network by transmitting an initial random access message to the network, receive a random access response from the network, the random access response including a timing advance command bit sequence, determine from the timing advance command bit sequence a timing advance value and a configuration parameter, and transmit a request message to the network at least once in compliance with the configuration parameter. 1. An apparatus comprising:at least one processing core, andat least one non-transitory memory including computer program code, initiate a random access process with a network by transmitting an initial random access message to the network;', 'receive a random access response from the network, the random access response comprising a timing advance command bit sequence;', 'determine from the timing advance command bit sequence a timing advance value and a configuration parameter, and', 'transmit a request message to the network at least once in compliance with the configuration parameter;, 'the at least one memory and the computer program code being configured to, with the at least one processing core, cause the apparatus at least tocharacterized in that the determination from the timing advance command bit sequence a timing advance value and a configuration parameter is done by determining that the configuration parameter indicates request message repetition responsive to a numerical value indicated by the timing advance command bit sequence exceeding a predetermined threshold value, and when this is the case, by determining the timing advance value based on by how much ...

Enhanced Frequency Compression for Overhead Reduction for CSI Reporting and Usage

In accordance with an example embodiment of the present invention, a method comprising: selecting, by a user equipment, a subset of linear combination coefficients from a linearized two-dimensional matrix having columns of frequency domain components and rows of spatial beams components for channel state information determination, wherein the number of linear combination coefficients in the subset is less than all of the linear combination coefficients; determining indication comprising information associated with column indices of the selected subset of linear combination coefficients from the linearized two-dimensional matrix, wherein the indication excludes the index of the column with lowest index of the linearized two-dimensional matrix; determining compressed channel state information comprising locations in the linearized two-dimensional matrix of the subset of linear combination coefficients and corresponding values of the linear combination coefficients at those locations; and reporting, from the user equipment toward the base station, the compressed channel state information.

SIMULTANEOUS INFORMATION AND POWER TRANSFER

The present invention relates to a system for controlling energy transmission from a transmitter to at least one device, in particular network device, the system comprising: a controller which is configured to receive feedback information on energy transmission and/or on data transmission from the device and/or another device; and a mapper which is configured to allocate the device to an energy transfer resource based on the feedback information. 110012100. A system () for controlling energy transmission from a transmitter (TX) to at least one device , in particular network device , (RX , RX , . . . , RXn) , the system () comprising:{'b': '101', 'a controller () which is configured to'}{'b': 1', '2, 'receive feedback information on energy transmission and/or on data transmission from the device (RX) and/or another device (RX, . . . , RXn) and;'}and;{'b': '102', 'a mapper () which is configured to'}{'b': 1', '2, 'allocate the device (RX, RX, . . . , RXn) to an energy transfer resource based on the feedback information.'}2100. The system () according to claim 1 , wherein the controller module is configured to{'b': 1', '2, 'request the feedback information from the device (RX) and/or another device (RX, . . . , RXn).'}3100. The system () according to claim 1 , wherein the feedback information comprises:location-related information;energy-related information;quality-of-service, QoS,related information; and/orchannel state information.4100. The system () according to claim 1 , wherein the controller is configured to receive the feedback informationessentially continuously; and/or periodically; and/or', 'in an event-based manner., 'discretely, in particular'}5100101. The system () according to claim 1 , wherein the controller () is configured to receive feedback information as part of data signal that carries the feedback information and further data.6100102. The system () according to claim 1 , wherein the mapper () is configured to allocate the device or another device ...

UPLINK CONTROL INFORMATION

Embodiments of the present disclosure relate to methods, devices, apparatuses and computer readable storage media for Uplink Control Information (UCI) design. The method comprises determining, at a terminal device, a matrix comprising a set of non-zero linear combination coefficients for quantizing a channel between the terminal device and a network device, the matrix having spatial components and frequency components; shifting the frequency components of the matrix circularly, such that a target coefficient of the set of non-zero linear combination coefficients is located in a frequency component with a predetermined index of the frequency components in a shifted matrix; generating a first indication indicating the spatial component associated with the target coefficient in the matrix; and transmitting, to the network device, uplink control information comprising the first indication. In this way, a new solution for designing the UCI may reduce the overhead for reporting the parameters in the UCI. 1. A method , comprising:determining, at a terminal device, a matrix comprising a set of non-zero linear combination coefficients for quantizing a channel between the terminal device and a network device, the matrix having spatial components and frequency components;shifting the frequency components of the matrix circularly, such that a target coefficient of the set of non-zero linear combination coefficients is located in a frequency component with a predetermined index of the frequency components in a shifted matrix;generating a first indication indicating the spatial component associated with the target coefficient in the matrix; andtransmitting, to the network device, uplink control information comprising the first indication.2. The method of claim 1 , wherein determining the matrix comprises:receiving downlink control information received from the network device;obtaining a resource indication associate with the spatial components and the frequency components; ...

COMMUNICATION EFFICIENCY

There is provided a method at a user equipment, comprising: 1. An apparatus , comprising:at least one processor and at least one memory including a computer program code, wherein the at least one memory and the computer program code are configured, with the at least one processor, to cause the apparatus to:receive transmission on two different polarizations over a wireless channel from a device;determine a plurality of coefficients associated with a precoding matrix based on channel measurements of the reception, wherein the coefficients at least partially define a combination matrix;select a coefficient among the coefficients of the weaker polarization, the selected coefficient being a reference coefficient for the weaker polarization;determine a first indicator and a second indicator for the reference coefficient, wherein the first indicator indicates a position of the reference coefficient in the combination matrix and the second indicator comprises an amplitude value associated with the reference coefficient;report the first and second indicators to the device.2. The apparatus of claim 1 , wherein the at least one memory and the computer program code are configured claim 1 , with the at least one processor claim 1 , to cause the apparatus further to:report a bitmap corresponding to the combination matrix to the device, the bitmap indicating spatial and frequency domain locations of those coefficients that exceed a predetermined threshold;report the first indicator to the device in a sequence comprising amplitude values of the coefficients exceeding the predetermined threshold except the coefficient with the largest magnitude, wherein the first indicator comprises a predetermined value in the sequence,wherein the order of the sequence is determined by the bitmap, and the position of the first indicator in the sequence determines the position of the reference coefficient in the combination matrix.3. The apparatus of claim 2 , wherein the second indicator is ...

FULL DUPLEX RADIO WITH ADAPTIVE RECEPTION POWER REDUCTION

A full duplex radio unit comprising a transmission unit, an antenna, a reception unit, a circulator and a power reduction unit is provided. The transmission unit is adapted to generate a first signal. The circulator is adapted to provide the first signal from the transmission unit to the antenna. The antenna is adapted to transmit the first signal and simultaneously receive a second signal using an identical frequency or frequency band. The circulator is adapted to provide a third signal to the power reduction unit, wherein the third signal comprises the second signal and interference generated from the first signal by the antenna and the circulator. The power reduction unit is adapted to reduce the power of the third signal by multiplying the third signal by factor of √ρ, wherein ρ is between zero and one, thereby generating a fourth signal. 12364514. A full duplex radio unit () , comprising a transmission unit () , an antenna () , a reception unit () , a circulator () , and a power reduction unit () ,{'b': 3', '20, 'wherein the transmission unit () is adapted to generate a first signal (),'}{'b': 20', '3', '6, 'wherein the circulator is adapted to provide the first signal () from the transmission unit () to the antenna (),'}{'b': 6', '20', '21, 'wherein the antenna () is adapted to transmit the first signal () and simultaneously receive a second signal () using an identical frequency or frequency band,'}{'b': 5', '22', '14', '22', '21', '20', '6', '5, 'wherein the circulator () is adapted to provide a third signal () to the power reduction unit (), wherein the third signal () comprises the second signal () and interference generated from the first signal () by the antenna () and the circulator (),'}{'b': 14', '22', '23, 'wherein the power reduction unit () is adapted to reduce the power of the third signal () by multiplying the third signal with a factor of √ρ, wherein ρ is between 0 and 1, thereby generating a fourth signal (), and'}{'b': 4', '23, 'wherein the ...

ENHANCED FREQUENCY COMPRESSION FOR OVERHEAD REDUCTION FOR CSI REPORTING AND USAGE

In accordance with an example embodiment of the present invention, a method comprising: selecting, by a user equipment, a subset of linear combination coefficients from a linearized two-dimensional matrix having columns of frequency domain components and rows of spatial beams components for channel state information determination, wherein the number of linear combination coefficients in the subset is less than all of the linear combination coefficients; determining indication comprising information associated with column indices of the selected subset of linear combination coefficients from the linearized two-dimensional matrix, wherein the indication excludes the index of the column with lowest index of the linearized two-dimensional matrix; determining compressed channel state information comprising locations in the linearized two-dimensional matrix of the subset of linear combination coefficients and corresponding values of the linear combination coefficients at those locations; and reporting, from the user equipment toward the base station, the compressed channel state information. 1. A method comprising:selecting, by a user equipment, a subset of linear combination coefficients from a two-dimensional matrix having columns of frequency domain components and rows of spatial beams components for channel state information determination, wherein the number of linear combination coefficients in the subset is less than all of the linear combination coefficients;determining a compression matrix comprising frequency components, wherein the compression matrix comprises information associated with column indices of the selected subset of linear combination coefficients, and the compression matrix excludes the index of the column with lowest index of the two-dimensional matrix;determining compressed channel state information which comprises (i) locations of the subset of linear combination coefficients in the two-dimensional matrix, (ii) corresponding values of the linear ...

Uplink control information

Embodiments of the present disclosure relate to methods, devices, apparatuses and computer readable storage media for Uplink Control Information (UCI) design. The method comprises determining, at a terminal device, a matrix comprising a set of non-zero linear combination coefficients for quantizing a channel between the terminal device and a network device, the matrix having spatial components and frequency components; shifting the frequency components of the matrix circularly, such that a target coefficient of the set of non-zero linear combination coefficients is located in a frequency component with a predetermined index of the frequency components in a shifted matrix; generating a first indication indicating the spatial component associated with the target coefficient in the matrix; and transmitting, to the network device, uplink control information comprising the first indication. In this way, a new solution for designing the UCI may reduce the overhead for reporting the parameters in the "UCI part 1" and "UCI part 2".

Uplink control information

Embodiments of the present disclosure relate to methods, devices, apparatuses and computer readable storage media for Uplink Control Information (UCI) design. The method comprises determining, at a terminal device, a matrix comprising a set of non-zero linear combination coefficients for quantizing a channel between the terminal device and a network device, the matrix having spatial components and frequency components; shifting the frequency components of the matrix circularly, such that a target coefficient of the set of non-zero linear combination coefficients is located in a frequency component with a predetermined index of the frequency components in a shifted matrix; generating a first indication indicating the spatial component associated with the target coefficient in the matrix; and transmitting, to the network device, uplink control information comprising the first indication. In this way, a new solution for designing the UCI may reduce the overhead for reporting the parameters in the "UCI part 1" and "UCI part 2".

Methods for ul rach coverage extension

Methods and apparatus, including computer program products, are provided for increasing uplink beamforming gain. In one aspect there is provided a method of identifying user equipment which makes use of the proposed new beam-sweeping random access channel procedure that enables the base station to identify the best uplink transmit beam rather than the first beam that the base station managed to detect. Related apparatus, systems, methods, and articles are also described.

Full duplex radio with adaptive reception power reduction

Channel state information related feedback reporting and channel state information acquisition

The present invention relates to an apparatus for reporting feedback messages for channel state information (CSI) estimation with respect to a channel between a first antenna of a first device and a second antenna of a second device. The apparatus is configured to determine a frequency response across a predetermined bandwidth of the channel between the first antenna and the second antenna, sample a phase of the determined frequency response in order to obtain a number of samples of the phase of the determined frequency response, and send to a further apparatus at least a first feedback message including information of at least a subset of the obtained samples.

Uplink control information

Embodiments of the present disclosure relate to methods, devices, apparatuses and computer readable storage media for Uplink Control Information (UCI) design. The method comprises determining, at a terminal device, a matrix comprising a set of non-zero linear combination coefficients for quantizing a channel between the terminal device and a network device, the matrix having spatial components and frequency components; shifting the frequency components of the matrix circularly, such that a target coefficient of the set of non-zero linear combination coefficients is located in a frequency component with a predetermined index of the frequency components in a shifted matrix; generating a first indication indicating the spatial component associated with the target coefficient in the matrix; and transmitting, to the network device, uplink control information comprising the first indication. In this way, a new solution for designing the UCI may reduce the overhead for reporting the parameters in the UCI.

Radar operation of wireless device in wireless communication system

There is provided radar operation in a wireless communication system. A method comprises transmitting a random access message for one or more communication resources for a radar operation of a wireless device of a wireless communication system, receiving a grant for at least one communication resource for the radar operation of the wireless device, selecting a radar sequence for generating a radar signal, and transmitting the radar signal using the selected radar sequence in the communication resource.

Demodulation reference signal allocation for uplink shared channel for wireless communication

A method may include receiving, by a user device from a network node in a wireless network, an indication that a plurality of frequency hop resource entities should be shifted, wherein each frequency hop resource entity is configured with a frequency allocation according to a sequence or order of frequency allocations; performing, by the user device, a shifting of the frequency hop resource entities, wherein each frequency hop resource entity includes one or more demodulation reference signal (DMRS) symbols and one or more data symbols, wherein the shifting causes each of the frequency hop resource entities to be shifted by one frequency hop resource position and to be allocated a different frequency allocation; and transmitting, by the user device to the network node, the plurality of shifted frequency hop resource entities.

Uplink control information

Uplink control information

Embodiments of the present disclosure relate to methods, devices, apparatuses and computer readable storage media for Uplink Control Information (UCI) design. The method comprises determining, at a terminal device, a matrix comprising a set of non-zero linear combination coefficients for quantizing a channel between the terminal device and a network device, the matrix having spatial components and frequency components; shifting the frequency components of the matrix circularly, such that a target coefficient of the set of non-zero linear combination coefficients is located in a frequency component with a predetermined index of the frequency components in a shifted matrix; generating a first indication indicating the spatial component associated with the target coefficient in the matrix; and transmitting, to the network device, uplink control information comprising the first indication. In this way, a new solution for designing the UCI may reduce the overhead for reporting the parameters in the "UCI part 1" and "UCI part 2".

WINDOWED FD BASE MAPPING TO A COMBINATORY INDICATOR FOR PMI REPORTING AND USAGE

Um UE determina um PMI realizando pelo menos o seguinte: determinar um conjunto intermediário de vetores de um livro de código FD; formar um subconjunto do conjunto intermediário de vetores; mapear o subconjunto de vetores para um indicador combinatório; e formar o PMI pelo menos a partir do indicador combinatório. O UE envia o PMI para uma rede sem fio. Uma estação base recebe o PMI do UE. O PMI inclui um indicador combinatório que mapeia para um subconjunto de vetores do livro de código FD. A estação base determina, usando pelo menos o PMI recebido, a informação de pelo menos o livro de código FD para aplicar a dados para transmissão em direção ao UE. A UE determines a PMI by performing at least the following: determining an intermediate set of vectors from a codebook FD; forming a subset of the intermediate set of vectors; mapping the subset of vectors to a combinatorial indicator; and form the PMI at least from the combinatorial indicator. The UE sends the PMI to a wireless network. A base station receives the PMI from the UE. PMI includes a combinatorial indicator that maps to a subset of vectors from the FD codebook. The base station determines, using at least the received PMI, information from at least the codebook FD to apply to data for transmission towards the UE.

Devices and methods for exchanging channel state information

The invention relates to a communication device (101) comprising: a communication interface (103) configured to transmit a pilot signal via a communication channel (120) to a further communication device (131) and to receive a plurality of data elements representing channel state information (CSI) from the further communication device (131), wherein the plurality of data elements are a subset of a set of data elements representing the full channel state information (CSI) being available at the further communication device (131); and a processing unit (105) configured to generate the full channel state information (CSI) on the basis of the plurality of data elements by applying a fitting scheme to the plurality of data elements received from the further communication device (131).

Preamble transmission on random-access channel occasion overlapping with downlink symbols

Disclosed is a method comprising transmitting, to a network element of a wireless communication network, if cross-division duplexing is supported by the network element, a random-access preamble on at least one random-access channel occasion that overlaps with one or more downlink symbols in time.

Method of Shifting Redundancy Version for the Transmission of a Transport Block Over Multiple Slots

Where large transport blocks are rate-matched and transmitted on each PUSCH segment using different redundancy versions (RVs), RV cycling with a small number of PUSCH segments might not cover the whole codeword, and/or rate-matching a large TBS across many PUSCH segments into the resource of a single PUSCH segment may lead to an effective coding rate of the self-decodable redundancy versions that is too high. To avoid these issues, the starting position of one or more RVs may be shifted by setting the starting position of a current RV to be the same as an ending position of a previous position, or by scaling the starting position by a value. Alternatively, these issues may be avoided by setting a new starting position for an RV based on the gap from the end of a previous RV to the start of a current RV.

Improving precoding

There is provided a method at a network node of a communication network, comprising: receiving an uplink reference signal from a user equipment; estimating, based on the received uplink reference signal, delay information regarding a delay profile of a communication channel between the user equipment and the network node and spatial information regarding the communication channel; applying both the delay information and the spatial information in precoding of at least one downlink reference signal; transmitting the at least one precoded downlink reference signal to the user equipment; and receiving, from the user equipment as a response to the transmission of the at least one precoded downlink reference signal, channel information, the channel information indicating at least non-zero coefficients of at least one channel transmission layer.

Mapping of windowed fd basis to a combinatorial indicator for pmi reporting and usage

A UE determines a PMI, by performing at least the following: determining an intermediate set of vectors from a FD codebook; forming a subset of the intermediate set of vectors; mapping the subset of vectors to a combinatorial indicator; and forming the PMI at least from the combinatorial indicator. The UE sends the PMI toward a wireless network. A base station receives the PMI from the UE. The PMI includes a combinatorial indicator that maps to a subset of vectors from the FD codebook. The base station determines, using at least the received PMI, information from at least the FD codebook to apply to data for transmission toward the UE.

Channel state information acquisition in a multi-user multiple-input multiple-output transmission scheme

Provided is a multi-user multiple-input multiple-output (MU-MIMO), transmitter, adapted to acquire channel state information (CSI), from a plurality of receivers. The transmitter is configured to operate a radio antenna array to establish signal paths between antennas of the antenna array and a plurality of receivers. The transmitter comprises a mapper configured to dynamically group, for a given time interval, the plurality of receivers to MU-MIMO groups, wherein the grouping is based on information indicating correlations between signal paths from the antennas to the receivers and a transmission priority of each receiver. The transmitter further comprises a selector configured to select, for the given time interval, receivers from which CSI is to be received, and to identify one or more of the MU-MIMO groups based on the selected receivers.

Mapping of the windowed fd base to a combinatorial indicator for reporting and using pmi

Un UE determina un PMI mediante la realización de al menos lo siguiente: determinar un conjunto intermedio de vectores a partir de un libro de códigos FD; formar un subconjunto del conjunto intermedio de vectores; mapear el subconjunto de vectores a un indicador combinatorio; y formar el PMI al menos a partir del indicador combinatorio. A UE determines a PMI by performing at least the following: determining an intermediate set of vectors from an FD codebook; form a subset of the intermediate set of vectors; mapping the subset of vectors to a combinatorial indicator; and form the PMI at least from the combinatorial indicator.

Aaltomuodon määrittäminen nousevan siirtotien lähetykselle

Ainakin dynaamisen aaltomuodon vaihtamisen mahdollistamiseksi ainakin yhdellä ennalta määritetyllä bitillä laskevan siirtotien ohjaustiedossa (2-2), joka käsittää ajoitustietoa ainakin yhdelle nousevan siirtotien lähetykselle, voi olla ensimmäinen esiasetettu tarkoitus ja toinen esiasetettu tarkoitus. Yhtä tai useampaa esiasetettua sääntöä voidaan soveltaa (2-3) määrittelemään, käytetäänkö ainakin yhtä ennalta määritettyä bittiä ensimmäiseen tarkoitukseen tai toiseen tarkoitukseen. Kun käytetään toista tarkoitusta, määritellään (2-3) ainakin aaltomuoto ainakin yhdelle nousevan siirtotien lähetykselle ainakin ensimmäisen aaltomuodon ja toisen aaltomuodon käsittävien aaltomuotojen joukosta yhden tai useamman esiasetun toisen säännön mukaan ainakin yhden ennalta määritetyn bitin arvon perusteella. Määriteltyä aaltomuotoa käytetään sitten ajoitetussa nousevan siirtotien lähetyksessä (2-4).

Devices and methods for acknowledging switching of operation modes for a client device

Example embodiments provide a method for acknowledging switching of operation modes for a client device. The method comprises receiving, by a client device, a first indication comprising at least one of a first time duration, a period for repeating the first time duration or an indication of a list of at least two operation modes for the client device. The client device may be configured to receive a second indication comprising instructions for the dynamic switching of operation modes based on the list of at least two operation modes. The client device may be further configured to indicate the selected operation mode to a network device. Devices, methods, and computer programs are disclosed.

Determining waveform for uplink transmission

To enable dynamic waveform switching, one or more instructions on how to determine a waveform amongst at least a first waveform and a second waveform for at least one uplink transmission based at least on frequency domain resource allocation for the at least one uplink transmission may be transmitted in a network, or apparatuses may comprise one or more of the one or more instructions. The one or more instructions associate at least resource block regions with waveforms. The one or more instructions may be applied to determine, based on a frequency domain resource allocation for an uplink transmission, a waveform for the uplink transmission at least according to a resource block region in the frequency domain resource allocation. The waveform determined is then used in the uplink transmission.

Determining waveform for uplink transmission

To enable at least dynamic waveform switching, at least one predefined bit, in a downlink control information comprising scheduling information for at least one uplink transmission, may have a first preset purpose and a second preset purpose. One or more preset first rules may be applied to determine whether to use the at least one predefined bit for the first preset purpose or for the second preset purpose. When the second preset purpose is used, at least a waveform for the at least one uplink transmission amongst waveforms comprising at least a first waveform and a second waveform is determined, according to one or more preset second rules, based on a value of the at least one predefined bit. The waveform determined is then used in the uplink transmission scheduled.

Waveform management

According to an example aspect of the present invention, there is provided an apparatus, such as a user equipment, configured to transmit information in a physical uplink shared channel direction using, selectably, a first waveform or a second waveform, the second waveform having lower peak to average power ratio than the first waveform, provide, to a network node controlling a cell in which the apparatus is attached, first and second power headroom information, and select to either continue using the first waveform on the physical uplink shared channel, or to switch to using the second waveform on the physical uplink shared channel.

Aaltomuodon määrittäminen nousevan siirtotien lähetykselle

Ainakin dynaamisen aaltomuodon vaihtamisen mahdollistamiseksi ainakin yhdellä ennalta määritetyllä bitillä laskevan siirtotien ohjaustiedossa (2-2), joka käsittää ajoitustietoa ainakin yhdelle nousevan siirtotien lähetykselle, voi olla ensimmäinen esiasetettu tarkoitus ja toinen esiasetettu tarkoitus. Yhtä tai useampaa esiasetettua sääntöä voidaan soveltaa (2-3) määrittelemään, käytetäänkö ainakin yhtä ennalta määritettyä bittiä ensimmäiseen tarkoitukseen tai toiseen tarkoitukseen. Kun käytetään toista tarkoitusta, määritellään (2-3) ainakin aaltomuoto ainakin yhdelle nousevan siirtotien lähetykselle ainakin ensimmäisen aaltomuodon ja toisen aaltomuodon käsittävien aaltomuotojen joukosta yhden tai useamman esiasetun toisen säännön mukaan ainakin yhden ennalta määritetyn bitin arvon perusteella. Määriteltyä aaltomuotoa käytetään sitten ajoitetussa nousevan siirtotien lähetyksessä (2-4).

Method for split prach format transmission

An apparatus may be configured to perform: receive a physical random access channel configuration from a network node; generate a random access preamble based on the received physical random access channel configuration; generate a frequency domain representation of the generated random access preamble; determine a plurality of parts of the generated frequency domain representation; and transmit respective parts of the determined plurality of parts in respective occasions. An apparatus may be configured to perform: transmit, to a user equipment, a physical random access channel configuration; receive, from the user equipment, respective parts of a plurality of parts of a frequency domain representation of a random access preamble in respective occasions; and reconstruct the frequency domain representation of the random access preamble based, at least partially, on the received plurality of parts to determine the random access preamble.

Uplink control information

Embodiments of the present disclosure relate to methods, devices, apparatuses and computer readable storage media for Uplink Control Information (UCI) design. The method comprises determining, at a terminal device, a matrix comprising a set of non-zero linear combination coefficients for quantizing a channel between the terminal device and a network device, the matrix having spatial components and frequency components; shifting the frequency components of the matrix circularly, such that a target coefficient of the set of non-zero linear combination coefficients is located in a frequency component with a predetermined index of the frequency components in a shifted matrix; generating a first indication indicating the spatial component associated with the target coefficient in the matrix; and transmitting, to the network device, uplink control information comprising the first indication. In this way, a new solution for designing the UCI may reduce the overhead for reporting the parameters in the "UCI part 1" and "UCI part 2".

Uplink control information

Embodiments of the present disclosure relate to methods, devices, apparatuses and computer readable storage media for Uplink Control Information (UCI) design. The method comprises determining, at a terminal device, a matrix comprising a set of non-zero linear combination coefficients for quantizing a channel between the terminal device and a network device, the matrix having spatial components and frequency components; shifting the frequency components of the matrix circularly, such that a target coefficient of the set of non-zero linear combination coefficients is located in a frequency component with a predetermined index of the frequency components in a shifted matrix; generating a first indication indicating the spatial component associated with the target coefficient in the matrix; and transmitting, to the network device, uplink control information comprising the first indication. In this way, a new solution for designing the UCI may reduce the overhead for reporting the parameters in the UCI.

Apparatus, method and computer program for uplink control signalling

An apparatus (101) comprising means for performing:grouping columns of a linear combination coefficient matrix into a predefined number of clusters; and sending at least one of the clusters in a second part of a uplink control signalling transmission of a channel to an access node, wherein the uplink control signalling transmission comprises a first part and the second part.

Dynamic adaptation of PUCCH resources in the case of DMRS bundling

In accordance with example embodiments of the invention there is at least a method and apparatus to perform determining a mismatch between at least one of a location or the number of physical resource blocks occupied by at least one of a plurality of physical uplink shared channel transmissions and at least one of a location or a number of physical resource blocks occupied by a physical uplink control channel for a physical uplink control channel transmission; and based on the determined mismatch, performing operations comprising at least one of: multiplexing uplink control information for the physical uplink control channel transmission with the at least one of the plurality of physical uplink shared channel transmissions, adapting the at least one of the location or the number of physical resource blocks of the physical uplink control channel transmission for matching the at least one of the location or the number of physical resource blocks occupied by the at least one of the plurality of physical uplink shared channel transmissions, or determining an information and communicate the information using at least one of downlink control information, medium access control—control element or higher layer signaling for overcoming at least the mismatch.

Waveform management

According to an example aspect of the present invention, there is provided an apparatus, such as a user equipment, configured to transmit information in a physical uplink shared channel direction using, selectably, a first waveform or a second waveform, the second waveform having lower peak to average power ratio than the first waveform, provide, to a network node controlling a cell in which the apparatus is attached, first and second power headroom information, and select to either continue using the first waveform on the physical uplink shared channel, or to switch to using the second waveform on the physical uplink shared channel.

Mapping of windowed FD basis to a combinatorial indicator for PMI reporting and usage

A UE determines a PMI, by performing at least the following: determining an intermediate set of vectors from a FD codebook; forming a subset of the intermediate set of vectors; mapping the subset of vectors to a combinatorial indicator; and forming the PMI at least from the combinatorial indicator. The UE sends the PMI toward a wireless network. A base station receives the PMI from the UE. The PMI includes a combinatorial indicator that maps to a subset of vectors from the FD codebook. The base station determines, using at least the received PMI, information from at least the FD codebook to apply to data for transmission toward the UE.

Method and apparatus for a radio network

A method for operating a first apparatus (102) and the first apparatus (102) comprising at least one processor, at least one receiver and at least one memory including program code that, when executed by the at least one processor, cause the first apparatus (102) at least to receive at least one RRC configuration comprising a configuration of a channel state information, CSI, wideband report setting and a configuration of a CSI, subband report setting, receive at least one message (302) to trigger CSI wideband reporting and CSI subband reporting, and transmit a CSI wideband report (304) in a first slot comprising information on CSI wideband reporting and transmit a CSI subband report (306) comprising information on CSI subband reporting in a second slot based on the message (302) to trigger CSI wideband reporting and CSI subband reporting.

Synchronization signal spanning multiple symbols for mmwave communication

An apparatus comprising: at least one processor; and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: generate (606) a synchronization signal for transmission over one or more symbols, wherein the number of symbols is dependent on a subcarrier spacing.

Apparatus, method and computer program for uplink control signalling

An apparatus (101) comprising means for performing:grouping columns of a linear combination coefficient matrix into a predefined number of clusters; and sending at least one of the clusters in a second part of a uplink control signalling transmission of a channel to an access node, wherein the uplink control signalling transmission comprises a first part and the second part.

Improving precoding

There is provided a method at a network node of a communication network, comprising: receiving an uplink reference signal from a user equipment; estimating, based on the received uplink reference signal, delay information regarding a delay profile of a communication channel between the user equipment and the network node and spatial information regarding the communication channel; applying both the delay information and the spatial information in precoding of at least one downlink reference signal; transmitting the at least one precoded downlink reference signal to the user equipment; and receiving, from the user equipment as a response to the transmission of the at least one precoded downlink reference signal, channel information, the channel information indicating at least non-zero coefficients of at least one channel transmission layer.

Method of shifting redundancy version for the transmission of a transport block over multiple slots

Where large transport blocks are rate-matched and transmitted on each PUSCH segment using different redundancy versions (RVs), RV cycling with a small number of PUSCH segments might not cover the whole codeword, and/or rate-matching a large TBS across many PUSCH segments into the resource of a single PUSCH segment may lead to an effective coding rate of the self-decodable redundancy versions that is too high. To avoid these issues, the starting position of one or more RVs may be shifted by setting the starting position of a current RV to be the same as an ending position of a previous position, or by scaling the starting position by a value. Alternatively, these issues may be avoided by setting a new starting position for an RV based on the gap from the end of a previous RV to the start of a current RV.

Random access channel occasion with multiple beams

A method and apparatus for enabling multi-beam PRACH. One method may include transmitting a physical random access channel (PRACH) preamble based upon at least two different transmission beams in the same random access channel occasion (RO); and receiving a message configured to indicate a preferred transmission beam of the transmission beams used with the physical random access channel preamble. The apparatus, such as UE, may receive a beam-change mapping as part of system information. An apparatus, such as network entity, may detect a transmission beam switching operation of the UE. A first beam may be used for the first half of the RO, and a second beam used for the second half.

Enhanced frequency compression for overhead reduction for CSI reporting and usage

In accordance with an example embodiment of the present invention, a method comprising: selecting, by a user equipment, a subset of linear combination coefficients from a linearized two-dimensional matrix having columns of frequency domain components and rows of spatial beams components for channel state information determination, wherein the number of linear combination coefficients in the subset is less than all of the linear combination coefficients; determining indication comprising information associated with column indices of the selected subset of linear combination coefficients from the linearized two-dimensional matrix, wherein the indication excludes the index of the column with lowest index of the linearized two-dimensional matrix; determining compressed channel state information comprising locations in the linearized two-dimensional matrix of the subset of linear combination coefficients and corresponding values of the linear combination coefficients at those locations; and reporting, from the user equipment toward the base station, the compressed channel state information.

Channel state information acquisition in a multi-user multiple-input multiple-output transmission scheme

Provided is a multi-user multiple-input multiple-output (MU-MIMO), transmitter, adapted to acquire channel state information (CSI), from a plurality of receivers. The transmitter is configured to operate a radio antenna array to establish signal paths between antennas of the antenna array and a plurality of receivers. The transmitter comprises a mapper configured to dynamically group, for a given time interval, the plurality of receivers to MU-MIMO groups, wherein the grouping is based on information indicating correlations between signal paths from the antennas to the receivers and a transmission priority of each receiver. The transmitter further comprises a selector configured to select, for the given time interval, receivers from which CSI is to be received, and to identify one or more of the MU-MIMO groups based on the selected receivers.

Channel state information acquisition in a multi-user multiple-input multiple-output transmission scheme

Determining waveform for uplink transmission

To enable dynamic waveform switching, one or more instructions on how to determine a waveform amongst at least a first waveform and a second waveform for at least one uplink transmission based at least on frequency domain resource allocation for the at least one uplink transmission may be transmitted in a network, or apparatuses may comprise one or more of the one or more instructions. The one or more instructions associate at least resource block regions with waveforms. The one or more instructions may be applied to determine, based on a frequency domain resource allocation for an uplink transmission, a waveform for the uplink transmission at least according to a resource block region in the frequency domain resource allocation. The waveform determined is then used in the uplink transmission.

Determining waveform for uplink transmission

To enable at least dynamic waveform switching, at least one predefined bit, in a downlink control information comprising scheduling information for at least one uplink transmission, may have a first preset purpose and a second preset purpose. One or more preset first rules may be applied to determine whether to use the at least one predefined bit for the first preset purpose or for the second preset purpose. When the second preset purpose is used, at least a waveform for the at least one uplink transmission amongst waveforms comprising at least a first waveform and a second waveform is determined, according to one or more preset second rules, based on a value of the at least one predefined bit. The waveform determined is then used in the uplink transmission scheduled.

Improving precoding

There is provided a method at a network node of a communication network, comprising: receiving an uplink reference signal from a user equipment; estimating, based on the received uplink reference signal, delay information regarding a delay profile of a communication channel between the user equipment and the network node and spatial information regarding the communication channel; applying both the delay information and the spatial information in precoding of at least one downlink reference signal; transmitting the at least one precoded downlink reference signal to the user equipment; and receiving, from the user equipment as a response to the transmission of the at least one precoded downlink reference signal, channel information, the channel information indicating at least non-zero coefficients of at least one channel transmission layer.

Demodulation Reference Signal Allocation for Uplink Shared Channel for Wireless Communication

A method may include receiving, by a user device from a network node in a wireless network, an indication that a plurality of frequency hop resource entities should be shifted, wherein each frequency hop resource entity is configured with a frequency allocation according to a sequence or order of frequency allocations; performing, by the user device, a shifting of the frequency hop resource entities, wherein each frequency hop resource entity includes one or more demodulation reference signal (DMRS) symbols and one or more data symbols, wherein the shifting causes each of the frequency hop resource entities to be shifted by one frequency hop resource position and to be allocated a different frequency allocation; and transmitting, by the user device to the network node, the plurality of shifted frequency hop resource entities.

Method for ul waveform switching with group common dci

An apparatus including at least one processor; and at least one non-transitory memory storing instructions that, when executed with the at least one processor, cause the apparatus to perform: receiving a group common downlink control information signal, where the group common downlink control information signal comprises at least one waveform switching indication bit; and determining, based upon the at least one waveform switching indication bit, information configured to be used for determining waveform switching.

Method of shifting redundancy version for the transmission of a transport block over multiple slots

Where large transport blocks are rate-matched and transmitted on each PUSCH segment using different redundancy versions (RVs), RV cycling with a small number of PUSCH segments might not cover the whole codeword, and/or rate-matching a large TBS across many PUSCH segments into the resource of a single PUSCH segment may lead to an effective coding rate of the self-decodable redundancy versions that is too high. To avoid these issues, the starting position of one or more RVs may be shifted by setting the starting position of a current RV to be the same as an ending position of a previous position, or by scaling the starting position by a value. Alternatively, these issues may be avoided by setting a new starting position for an RV based on the gap from the end of a previous RV to the start of a current RV.

Determining message repetitions in telecommunication systems

There is provided a method and apparatus for receiving, from a network node, a configuration being indicative of at least one first threshold value for distinguishing between numbers of repetition of transmission, and at least one offset value for the at least one first threshold. And further for measuring power values of synchronization signal block beams; selecting a beam based on the measured power values; determining a number of repetitions of transmission of a first message based on at least a mapping between number of repetitions and power values of synchronization signal block beams, the at least one first threshold value, the at least one offset value, and at least one condition; and transmitting, to the network node, the first message using the determined number of repetitions on the selected beam.

Method of shifting redundancy version for the transmission of a transport block over multiple slots

Where large transport blocks are rate-matched and transmitted on each PUSCH segment using different redundancy versions (RVs), RV cycling with a small number of PUSCH segments might not cover the whole codeword, and/or rate-matching a large TBS across many PUSCH segments into the resource of a single PUSCH segment may lead to an effective coding rate of the self-decodable redundancy versions that is too high. To avoid these issues, the starting position of one or more RVs may be shifted by setting the starting position of a current RV to be the same as an ending position of a previous position, or by scaling the starting position by a value. Alternatively, these issues may be avoided by setting a new starting position for an RV based on the gap from the end of a previous RV to the start of a current RV.

Determining the resource elements for transport block size determination for a transport block spanning multiple slots

Methods and apparatus, including computer program products, are provided for multi-slot transport block size determination. In some example embodiments, there may be provided a method that includes calculating a number of resource elements allocated within a resource element set based at least on an overhead value used for transport block size determination of a transport block that is transmitted over multiple slots; calculating a total number of resource elements, allocated for a physical uplink shared channel or a physical downlink shared channel, covering multiple slots for the transport block size determination based at least on the calculated number of resource elements allocated within the resource element set; and transmitting or receiving the transport block over multiple slots. Related systems, methods, and articles of manufacture are also disclosed.

Uplink control information

Embodiments of the present disclosure relate to methods, devices, apparatuses and computer readable storage media for Uplink Control Information (UCI) design. The method comprises determining, at a terminal device, a matrix comprising a set of non-zero linear combination coefficients for quantizing a channel between the terminal device and a network device, the matrix having spatial components and frequency components; shifting the frequency components of the matrix circularly, such that a target coefficient of the set of non-zero linear combination coefficients is located in a frequency component with a predetermined index of the frequency components in a shifted matrix; generating a first indication indicating the spatial component associated with the target coefficient in the matrix; and transmitting, to the network device, uplink control information comprising the first indication. In this way, a new solution for designing the UCI may reduce the overhead for reporting the parameters in the UCI.

Satunnaispääsy matkapuhelinverkoissa

Esillä olevan julkaisun esimerkkinäkökohdan mukaisesti tarjotaan laitteisto (110), joka käsittää välineet sen määrittämiseksi (610), että satunnaispääsyproseduuri langattomaan verkkosolmuun (120) epäonnistui, välineet, mainitun määrittämisen jälkeen, satunnaispääsykanavan kokemusraportin tallentamiseksi (620), jossa satunnaispääsykanavan kokemusraportti käsittää epäonnistunutta satunnaispääsyproseduuria koskevaa informaatiota, ja välineet, sen määrittämisen jälkeen, että muu satunnaispääsyproseduuri langattomaan verkkosolmuun (120) onnistui, satunnaispääsykanavan kokemusraportin lähettämiseksi (630) langattomalle verkkosolmulle (120) ainakin yhden kattavuuden parannusominaisuuden konfiguroimiseksi.

Apparatus, method and computer program

There is provided an apparatus comprising means for, at a user equipment, receiving, from a network node, configuration parameters defining resources associated with a plurality of signals for transmission of a first message of a random access procedure, obtaining signal measurements for the plurality of signals, determining a number of transmissions of the first message for a first signal and a second signal from the plurality of signals based on the obtained signal measurements, choosing resources associated with one of the first signal and the second signal for transmission of the first message, based at least on the determined number of transmissions of the first message for the respective signals and the obtained signal measurements and performing transmission of the first message of the random access procedure on at least part of the chosen resources.

Client device operation mode indication, and related devices, methods and computer programs

Devices, methods and computer programs for client device operation mode indication are disclosed. A client device obtains a first indication indicating at least a time duration and at least a first period for repeating the time duration. A downlink control information, DCI, received within the indicated time duration includes a second indication indicating a second operation mode of the client device, and the second indication is not included when the DCI is received outside of the indicated time duration. In response to receiving, at the client device, the DCI from a network node device within the indicated time duration, the client device determines the second operation mode of the client device based on the received second indication, and applies the determined second operation mode of the client device.

Wireless link configuration

According to an example aspect of the present invention, there is provided an apparatus comprising at least one processing core and at least one memory storing instructions that, when executed by the at least one processing core, cause the apparatus at least to determine whether each condition from among a set comprising at least one condition is fulfilled, based on the set of conditions being fulfilled, obtain a waveform selection indication from an element of a downlink control information element received in the apparatus from a network, and use, in at least one transmission or reception, a waveform selected based on the waveform selection indication, and based on the set of conditions not being fulfilled, use a default waveform, a previously used waveform or a currently used waveform in the at least one transmission or reception.

Method for ul waveform switching with group common dci

An apparatus including at least one processor; and at least one non-transitory memory storing instructions that, when executed with the at least one processor, cause the apparatus to perform: receiving a group common downlink control information signal, where the group common downlink control information signal comprises at least one waveform switching indication bit; and determining, based upon the at least one waveform switching indication bit, information configured to be used for determining waveform switching.

Signalling in a radio access network

Certain examples of the present disclosure provide a User Equipment, UE, 110 configured to: receive an identifier 202 , wherein the identifier is configured to signal control information and/or configuration information respectively for triggering performance of an action and/or configuring the UE 110 ; determine 203 , based at least in part on the received identifier, the control information and/or the configuration information; and perform 204 the action and/or configure the UE 110 in accordance with the determined control and/or the determined configuration information.

Random access procedure

In accordance with an example embodiment of the present disclosure there is provided an apparatus including means for determining an RO sequence for transmission of a first message with repetitions, wherein the first message is part of a random access procedure; means for transmitting the first message with repetitions over the determined RO sequence; means for generating RA-RNTI based on the determined RO sequence; and means for using the generated RA-RNTI in the random access procedure.

Method of shifting redundancy version for the transmission of a transport block over multiple slots

Where large transport blocks are rate-matched and transmitted on each PUSCH segment using different redundancy versions (RVs), RV cycling with a small number of PUSCH segments might not cover the whole codeword, and/or rate-matching a large TBS across many PUSCH segments into the resource of a single PUSCH segment may lead to an effective coding rate of the self-decodable redundancy versions that is too high. To avoid these issues, the starting position of one or more RVs may be shifted by setting the starting position of a current RV to be the same as an ending position of a previous position, or by scaling the starting position by a value. Alternatively, these issues may be avoided by setting a new starting position for an RV based on the gap from the end of a previous RV to the start of a current RV.

Múltiplos símbolos de abrangência de sinal de sincronização para comunicações por ondas milimétricas

MÚLTIPLOS SÍMBOLOS DE ABRANGÊNCIA DE SINAL DE SINCRONIZAÇÃO PARA COMUNICAÇÕES POR ONDAS MILIMÉTRICAS. Um aparelho que compreende: pelo menos um processador; e pelo menos uma memória que inclui o código de programa de computador; a pelo menos uma memória e o código de programa de computador configurado para, com o pelo menos um processador, fazer com que o aparelho pelo menos: gere (606) um sinal de sincronização para transmissão através de um ou mais símbolos, em que o número de símbolos é dependente de um espaçamento de subportadora.

Apparatus, Method and Computer Program

There is provided an apparatus including circuitry for, at a user equipment, receiving, from a network node, configuration parameters defining resources associated with a plurality of signals for transmission of a first message of a random access procedure, obtaining signal measurements for the plurality of signals, determining a number of transmissions of the first message for a first signal and a second signal from the plurality of signals based on the obtained signal measurements, choosing resources associated with one of the first signal and the second signal for transmission of the first message, based at least on the determined number of transmissions of the first message for the respective signals and the obtained signal measurements and performing transmission of the first message of the random access procedure on at least part of the chosen resources.

Enhanced random access in cellular communication networks

According to an example aspect of the present disclosure, there is provided an apparatus comprising means for transmitting, to a wireless network node, a random access preamble with repetition using a quantity of repetitions, means for selecting, based on said quantity of repetitions and one of at least one repetition threshold, a waveform for transmission of a connection request and means for transmitting, to the wireless network node, the connection request using the selected waveform.

Waveform management

According to an example aspect of the present invention, there is provided an apparatus, such as a user equipment, configured to transmit information in a physical uplink shared channel direction using, selectably, a first waveform or a second waveform, the second waveform having lower peak to average power ratio than the first waveform, provide, to a network node controlling a cell in which the apparatus is attached, first and second power headroom information, and select to either continue using the first waveform on the physical uplink shared channel, or to switch to using the second waveform on the physical uplink shared channel.

Informação de controle de uplink

modalidades da presente divulgação se referem a métodos, dispositivos, aparelhos e meios de armazenamento legíveis por computador para projeto de informação de controle de uplink (uci). o método compreende determinar, em um dispositivo terminal, uma matriz compreendendo um conjunto de coeficientes de combinação lineares diferentes de zero para quantizar um canal entre o dispositivo terminal e um dispositivo de rede, a matriz tendo componentes espaciais e componentes de frequência; deslocar os componentes de frequência da matriz circularmente, de modo que um coeficiente de alvo do conjunto de coeficientes de combinação lineares diferentes de zero esteja localizado em um componente de frequência com um índice predeterminado dos componentes de frequência em uma matriz deslocada; gerar uma primeira indicação indicando o componente espacial associado ao coeficiente de alvo na matriz; e transmitir, para o dispositivo de rede, informação de controle de uplink compreendendo a primeira indicação. desta forma, uma nova solução para projetar a uci pode reduzir a sobrecarga para relatar os parâmetros na uci parte 1 e uci parte 2.

Random access in cellular communication networks

According to an example aspect of the present disclosure, there is provided an apparatus comprising means for determining that a random access procedure with a wireless network node was unsuccessful, means for storing, after said determining, a random access channel experience report, wherein the random access channel experience report comprises information about the unsuccessful random access procedure and means for transmitting, after determining that another random access procedure with the wireless network node was successful, the random access channel experience report to the wireless network node for configuring at least one coverage enhancement feature.

Client device operation mode indication, and related devices, methods and computer programs

Devices, methods and computer programs for client device operation mode indication are disclosed. A client device (200) obtains a first indication indicating at least a time duration (401) and at least a first period (402) for repeating the time duration (401). A downlink control information, DCI, received within the indicated time duration (401) includes a second indication indicating a second operation mode of the client device (200), and the second indication is not included when the DCI is received outside of the indicated time duration (401). In response to receiving, at the client device (200), the DCI from a network node device (210) within the indicated time duration (401), the client device (200) determines the second operation mode of the client device based on the received second indication, and applies the determined second operation mode of the client device (200).

Channel prediction framework for radio communication

A method for predicting channel state information is described. The method includes determining whether or not geodesic prediction is to be performed and transmitting the determination of whether or not geodesic prediction is to be performed in a first part of uplink control signaling. In response to determining that geodesic prediction is not to be performed, the method includes transmitting a current channel estimate in a second part of uplink control signaling, and in response to determining that geodesic prediction is to be performed, the method includes transmitting either a determined current value of a tangent vector, or a determined step size parameter, or both the determined current value of the tangent vector and the determined step size parameter in the second part of uplink control signaling. Channel state information is predicted based on information provided in the first and second parts of uplink control signaling.

Apparatus, method and computer program

There is provided an apparatus, said apparatus comprising means for receiving a multiple input multiple output signal from a network,determining a frequency domain basis subset for each layer of the multiple input multiple output signal, determining from the frequency domain basis subset a number, M C , of frequency domain components common to each layer, determining, from the frequency domain basis subset, a number of layer-specific frequency domain components and providing to the network, in uplink control information, an indication of the frequency domain components common to each layer and the layer- specific frequency domain components.

Improving random access

There is provided a method, comprising: obtaining signal quality information on a plurality of downlink (DL) signals of a cell; receiving, from a network node of the cell, condition information indicative of reception conditions at the network node; based on the signal quality information and the condition information, determining at least one parameter for performing a random access to the cell; performing, based on the determined at least one parameter, the random access to the cell on a set of uplink (UL) resources.

Dynamic channel state information reference signals (CSI-RS) resource mapping configuration for precoded channel state information reference signals (CSI-RS) configurations

Dynamic and partial sharing of the channel measurement downlink reference signal resources are provided. An apparatus performs determining information relating to an actual number of ports configured for a user equipment for channel measurements and determining a pool of channel state information reference signal resources for the user equipment. The pool of channel state information reference signal resources is provided in a radio resource control configuration and includes an excess number of ports compared to the actual number of ports. The apparatus also transmits to the user equipment via at least one of a medium access control control element or downlink control information, configured user equipment specific mapping for the pool of channel state information reference signal resources.

Method and apparatus for feedback coefficient omission

In accordance with an example embodiment of the present invention, a method, apparatus and software program product for partitioning channel state information into groups of different priority levels, wherein said channel state information comprises non zero coefficients and said partitioning comprises using at least one permutation function to prioritize said non-zero coefficients substantially based on an amplitude distribution of said non zero coefficients to determine mapping of said non zero coefficients to said groups, and further for omitting zero or more non-zero coefficients in accordance with said amplitude distribution based prioritizing from said groups, and for transmitting remaining non zero coefficients in said groups.

Método de cambio de versión de redundancia para la transmisión de un bloque de transporte sobre múltiples ranuras

Cuando los bloques de transporte grandes se emparejan en velocidad y se transmiten en cada segmento PUSCH utilizando diferentes versiones de redundancia (RV), el ciclo de RV con un pequeño número de segmentos PUSCH puede no cubrir toda la palabra de código y/o la coincidencia de velocidad de un TBS grande en muchos segmentos PUSCH en el recurso de un solo segmento PUSCH puede conducir a una velocidad de codificación efectiva de las versiones de redundancia autodecodificables que es demasiado alta. Para evitar estos problemas, la posición inicial de una o más RV puede cambiarse estableciendo la posición inicial de una RV actual para que sea la misma que una posición final de una posición anterior, o escalando la posición inicial en un valor. Alternativamente, estos problemas pueden evitarse estableciendo una nueva posición inicial para un RV en función del espacio desde el final de un RV anterior hasta el inicio de un RV actual.

Método de cambio de versión de redundancia para la transmisión de un bloque de transporte

Cuando los bloques de transporte grandes se emparejan en velocidad y se transmiten en cada segmento PUSCH utilizando diferentes versiones de redundancia (RV), el ciclo de RV con un pequeño número de segmentos PUSCH puede no cubrir toda la palabra de código y/o la coincidencia de velocidad de un TBS grande en muchos segmentos PUSCH en el recurso de un solo segmento PUSCH puede conducir a una velocidad de codificación efectiva de las versiones de redundancia autodecodificables que es demasiado alta. Para evitar estos problemas, la posición inicial de una o más RV puede cambiarse estableciendo la posición inicial de una RV actual para que sea la misma que una posición final de una posición anterior, o escalando la posición inicial en un valor.

Method of shifting redundancy version for the transmission of a transport block over multiple slots

Where large transport blocks are rate-matched and transmitted on each PUSCH segment using different redundancy versions (RVs), RV cycling with a small number of PUSCH segments might not cover the whole codeword, and/or rate-matching a large TBS across many PUSCH segments into the resource of a single PUSCH segment may lead to an effective coding rate of the self-decodable redundancy versions that is too high. To avoid these issues, the starting position of one or more RVs may be shifted by setting the starting position of a current RV to be the same as an ending position of a previous position, or by scaling the starting position by a value. Alternatively, these issues may be avoided by setting a new starting position for an RV based on the gap from the end of a previous RV to the start of a current RV.

Method of shifting redundancy version for the transmission of a transport block over multiple slots

Where large transport blocks are rate-matched and transmitted on each PUSCH segment using different redundancy versions (RVs), RV cycling with a small number of PUSCH segments might not cover the whole codeword, and/or rate-matching a large TBS across many PUSCH segments into the resource of a single PUSCH segment may lead to an effective coding rate of the self-decodable redundancy versions that is too high. To avoid these issues, the starting position of one or more RVs may be shifted by setting the starting position of a current RV to be the same as an ending position of a previous position, or by scaling the starting position by a value. Alternatively, these issues may be avoided by setting a new starting position for an RV based on the gap from the end of a previous RV to the start of a current RV.

Methods for UL RACH coverage extension

Methods and apparatus, including computer program products, are provided for increasing uplink beamforming gain. In one aspect there is provided a method of identifying user equipment which makes use of the proposed new beam-sweeping random access channel procedure that enables the base station to identify the best uplink transmit beam rather than the first beam that the base station managed to detect. Related apparatus, systems, methods, and articles are also described.

Random access channel occasion configuration for message 1 repetitions

A method and apparatus to determine, by a network device of a communication network, random access channel parameters for random access to the network; based on the random access channel parameters, deriving a set of random access channel occasions, RO, in a time domain and frequency domain; based on the derived set, mapping or causing mapping of at least one synchronization signal block index to a number of RO of the set in at least one of the time domain or the frequency domain, wherein the mapping is based on a time extension; and sending towards a network node of the communication network Msg1 preamble repetitions using at least part of the number of random access channel occasions. The mapping may be based on an initial mapping modified by a stretching parameter. RO may be mapped first in the time domain until the time extension is reached, then mapped in the frequency domain, or mapped in the frequency domain first.

Enhanced channel estimation in telecommunication systems

According to an example aspect of the present disclosure, there is provided an apparatus comprising means for receiving, from a wireless network node, a configuration configuring the apparatus to transmit uplink transmissions using at least two different reference signal resource sets, at least two different spatial settings or at least two different power control parameters sets, means for determining a mapping pattern for transmitting said uplink transmissions using the at least two different reference signal resource sets, the at least two different spatial settings or the at least two different power control parameters sets, wherein the mapping pattern depends at least on whether joint channel estimation is enabled or disabled for the apparatus and means for transmitting said uplink transmissions using the at least two different reference signal resource sets, the at least two different spatial settings or the at least two different power control parameters sets in accordance with the determined mapping pattern.

Determining message repetitions in telecommunication systems

There is provided an apparatus comprising: at least one processor; and at least one memory storing instructions that, when executed by the at least one processor, cause the apparatus at least to perform: receiving, from a network node, a configuration being indicative of at least: at least one first threshold value for distinguishing between numbers of repetition of transmission; at least one offset value for the at least one first threshold. The apparatus is caused to perform: measuring power values of synchronization signal block beams; selecting a beam based on the measured power values; determining a number of repetitions of transmission of a first message based on at least a mapping between number of repetitions and power values of synchronization signal block beams, the at least one first threshold value, the at least one offset value, and at least one condition; and transmitting, to the network node, the first message using the determined number of repetitions on the selected beam.

Random access channel occasion configuration for message 1 repetitions

In accordance with example embodiments of the invention there is at least a method and apparatus to perform determining, by a network device of a communication network, random access channel parameters for random access to the communication network; based on the random access channel parameters, deriving a set of random access channel occasions in a time domain and frequency domain; based on the derived set of random access channel occasions, mapping or causing mapping of at least one synchronization signal block index to a number of at least one random access channel occasion of the set of random access channel occasions in at least one of the time domain or the frequency domain, wherein the mapping is based on a; and sending towards a network node of the communication network Msg1 preamble repetitions using at least part of the number of at least one random access channel occasions.

Mapping of windowed FD basis to a combinatorial indicator for PMI reporting and usage

A UE determines a PMI, by performing at least the following: determining an intermediate set of vectors from a FD codebook; forming a subset of the intermediate set of vectors; mapping the subset of vectors to a combinatorial indicator; and forming the PMI at least from the combinatorial indicator. The UE sends the PMI toward a wireless network. A base station receives the PMI from the UE. The PMI includes a combinatorial indicator that maps to a subset of vectors from the FD codebook. The base station determines, using at least the received PMI, information from at least the FD codebook to apply to data for transmission toward the UE.

Method and apparatus for a radio network

A method for operating a first apparatus (102) and the first apparatus (102) comprising at least one processor, at least one receiver and at least one memory including program code that, when executed by the at least one processor, cause the first apparatus (102) at least to receive at least one RRC configuration comprising a configuration of a channel state information, CSI, wideband report setting and a configuration of a CSI, subband report setting, receive at least one message (302) to trigger CSI wideband reporting and CSI subband reporting, and transmit a CSI wideband report (304) in a first slot comprising information on CSI wideband reporting and transmit a CSI subband report (306) comprising information on CSI subband reporting in a second slot based on the message (302) to trigger CSI wideband reporting and CSI subband reporting.

Method and apparatus for a radio network

A method for operating a first apparatus (102) and the first apparatus (102) comprising at least one processor, at least one receiver and at least one memory including program code that, when executed by the at least one processor, cause the first apparatus (102) at least to receive at least one RRC configuration comprising a configuration of a channel state information, CSI, wideband report setting and a configuration of a CSI, subband report setting, receive at least one message (302) to trigger CSI wideband reporting and CSI subband reporting, and transmit a CSI wideband report (304) in a first slot comprising information on CSI wideband reporting and transmit a CSI subband report (306) comprising information on CSI subband reporting in a second slot based on the message (302) to trigger CSI wideband reporting and CSI subband reporting.

Apparatus, method, and computer program

An apparatus comprising: at least one processor; and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: generate (606) a synchronization signal for transmission over one or more symbols, wherein the number of symbols is dependent on a subcarrier spacing.

Synchronization signal spanning multiple symbols for mmwave communication

An apparatus comprising: at least one processor; and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: generate (606) a synchronization signal for transmission over one or more symbols, wherein the number of symbols is dependent on a subcarrier spacing.

A communication device and related method of communication

A communication device (300) is disclosed, which comprises a splitter module (306) configured to separate a cyclic prefix from a communications signal; an energy harvester module (308) configured to convert the cyclic prefix portion of the communications signal into a DC output; and a decoder module (310) configured to demodulate the communications signal according to a block- transmission scheme, the decoder module at least partially powered by the DC output from the energy harvesting module. A related method of communication is also disclosed.