5240results about "Signalling characterisation" patented technology

Logic may decode information on cross-link interference (CLI) measurement and report configuration received via a first downlink (DL) control information (DCI) from a first base station to comprise an identification of a communication resource within which to measure a sounding reference signal (SRS) or other uplink transmission and a definition for a CLI measurement report. Logic may measure the SRS or other uplink transmission based on the identification of the communication resource. Logic may generate the CLI measurement report based on measurement of the SRS or other uplink transmission. Logic may send the CLI measurement report. Logic may generate a CLI measurement and report configuration to comprise an identification of a communication resource within which to measure a SRS and a definition for a CLI measurement report. And logic may send the CLI measurement and report configuration via a DCI transmission to a first user equipment.

A wireless transmit / receive unit (WTRU) may include a processor that is configured to receive configuration information indicating a plurality of sub-bands for cross-link interference (CLI) measurements and respective resources for performing CLI measurements for each of the plurality of sub-bands. The processor may receive a downlink control information (DCI) indicating resources associated with a first reference sub-band. The processor may perform a CLI measurement for the first reference sub-band using one or more resources for performing CLI measurements for the first sub-band. The processor may perform a CLI measurement for at least one other sub-band of the plurality of sub-bands using the respective resources for CLI measurements of the at least one other sub-band based on determining that the CLI measurement for the first sub-band is greater than a threshold. The processor may send an indication that the CLI measurement for the sub-band is greater than the threshold.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, a first physical downlink shared channel (PDSCH) transmission transmitted using a first modulation and coding scheme (MCS). The UE may transmit, to the base station, feedback based at least in part on decoding the first PDSCH transmission, wherein the feedback includes an acknowledgement (ACK) or negative acknowledgement (NACK) and a channel state information (CSI) report that includes at least an indication of a second MCS based at least in part on a target block error rate (BLER) and a target charging rate for energy harvesting. Numerous other aspects are described.

Certain aspects of the present disclosure provide techniques for channel estimation based on transmission spatial information. An example method of wireless communication by a user equipment includes receiving an indication of transmission spatial information associated with a network entity; receiving a reference signal from the network entity based on the transmission spatial information; and transmitting, to the network entity, channel state information (CSI) based on the received reference signal and the transmission spatial information.

Systems, methods, and instrumentalities are described herein regarding power control and link adaptation for cross-division duplex (XDD). A wireless transmit / receive unit (WTRU) may receive a grant associated with transmission of an uplink (UL) signal. The grant may indicate a first set of resource blocks (RBs). The WTRU may determine a frequency gap (FG) between the first set of RBs and a reference RB. The WTRU may adjust one or more transmit (Tx) parameters based on the determined FG. When the determined FG is less than a pre-defined threshold, the WTRU may reduce one or more of a transmit power or a modulation coding scheme (MCS) level associated with transmission of the UL signal scheduled by the grant. The WTRU may transmit the UL signal using the adjusted one or more Tx parameters.

An apparatus for reporting channel state information (CSI) includes: a first receiver configured to receive one or more reference signals to obtain measurement information; first processor circuitry configured to obtain CSI according to the measurement information; and a first transmitter configured to transmit the CSI at a first time according to CSI report configuration, wherein the CSI at least indicates a channel state of a second time which is later than the first time.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments of the disclosure provide a communication method, a user equipment, a base station, and a storage medium. The method includes: determining at least two kinds of periods of a signal; and receiving or transmitting the signal based on the at least two kinds of periods. Embodiments of the disclosure can reduce a proportion of periodic signals, thereby reducing power consumption of a communication base station.

A method for wireless communication by a user equipment (UE) includes receiving, from a network node, a group of downlink transmissions. The method also includes segmenting a hybrid automatic repeat request (HARQ)-acknowledgement (ACK) payload into a group of segments in accordance with a segmentation configuration. The method further includes forming, for each segment of the group of segments, a first HARQ-ACK part and a second HARQ-ACK part. The method also includes jointly encoding each first HARQ-ACK part and jointly encoding each second HARQ-ACK part. The method further includes transmitting the jointly encoded first HARQ-ACK parts and the jointly encoded second HARQ-ACK parts.

The present invention relates to a wireless communication system and, more specifically, to a method wherein resource allocation information for downlink reception or uplink transmission is acquired, and if the downlink reception or uplink transmission is required on a sub-band slot / symbol, the downlink reception or uplink transmission is performed in consideration of sub-band operations, and a wireless device therefor.

Apparatuses and methods for monitoring indications for physical downlink control channels (PDCCHs) in full-duplex (FD) systems. A method includes receiving a set of discontinuous reception (DRX) parameters associated with a subband full-duplex (SBFD) configuration and receiving a first PDCCH that provides a downlink control information (DCI) format. The DCI format includes a wake-up indication field enabling or disabling receptions of a second PDCCH, in a DRX on-period, for a symbol or a subband type. The method further includes selecting, based on the wake-up indication field, the symbol or the subband type for receptions of the second PDCCH and receiving, based on (i) the selected symbol or subband type and (ii) the set of DRX parameters, the second PDCCH at a first occasion in a DRX on-duration or during a DRX active time. The first occasion is after reception of the first PDCCH and before an end duration.

An information processing method, performed by a base station, and includes: determining whether a terminal supports compression of channel state information-reference signal (CSI-RS) feedback information with at least one artificial intelligence (AI) model; and configuring a CSI-RS according to whether the terminal supports compression of the CSI-RS feedback information with the at least one AI model.

Embodiments of this application provide a wireless communications method, a terminal device, and a network device. The method includes: repeatedly transmitting a first physical uplink control channel PUCCH to a network device in an initial access phase. In this application, a repetition of PUCCH transmission is introduced in the initial access phase.

A UE comprises: receiving an upper-layer parameter configuration related to CSI reporting; receiving scheduling information including resource allocation information for a PDSCH; receiving the PDSCH on the basis of the scheduling information; determining an uplink resource for the CSI reporting on the basis of the upper-layer parameter configuration and the scheduling information; and transmitting the CSI reporting in the uplink resource. The transmission of the CSI reporting in the uplink resource comprises transmitting, on the basis of a modulation and coding scheme (MCS) offset table including i) the PDSCH and ii) multiple entry values, one of the multiple entry values via the CSI reporting, wherein the multiple entry values comprise first values representing multiple MCS offsets and a second value which has failed to be mapped to an MCS offset and suspended.

The disclosure relates to a communication technique and system therefor for converging an Internet of Things (IoT) technology and a 5th generation (5G) communication system for supporting a high data rate after a 4th generation (4G) system. The disclosure is applicable to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security, and safety services) based on a 5G communication technology and IoT-related technology. The disclosure provides a method and apparatus for uplink (UL) data repetition transmission by a user equipment (UE) in a next-generation communication system.

The present disclosure relates to a communication method for converging IoT technology with 5G communication systems for supporting higher data transmission rates than beyond 4G systems, and to a system therefor. The present disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail business, security and safety-related services, etc.) on the basis of 5G communication technology and IoT-related technology. The present invention characterizes in a method for a terminal of a wireless communication system, wherein the method comprises the steps of: receiving channel or reference signal configuration information including beam-related configuration information via higher layer signalling; transmitting and receiving the channel or a reference signal to and from a base station on the basis of the beam-related configuration information; receiving beam change information for the channel or reference signal; and transmitting and receiving the channel or reference signal of a plurality of component carriers to and from the base station on the basis of the beam change information, wherein the beam-related configuration information and the beam change information include transmission configuration indicator (TCI) state information of the channel or reference signal.

Procedures, methods, architectures, apparatuses, systems, devices, and computer program products directed to reduction of signaling overhead in connection with processing of reference signals. In an embodiment, an apparatus may be configured to receive, from a network node, configuration information comprising channel state information (CSI) spatial prediction parameters; receive a first plurality of reference signals transmitted from a plurality of antenna ports of the network node; estimate, based on the plurality of the received reference signals, first CSI measurements; and determine, based on the first CSI measurements and the CSI spatial prediction parameters, a first subset of antenna ports among the plurality of antenna ports of the network node and one or more parameters associated with the first subset of antenna ports, wherein the first subset is less than the plurality of antenna ports.

Disclosed are a method and device for transmitting and receiving a physical channel in a wireless communication system. A method for receiving a physical downlink shared channel (PDSCH) according to one embodiment of the present disclosure may comprise the steps of: receiving configuration information relating to a training reference signals for training an artificial intelligence / machine learning (AI / ML) model from a base station; receiving the plurality of training reference signals from the base station; receiving control information for scheduling the PDSCH from the base station; and receiving the PDSCH from the base station on the basis of an inference derived with respect to a demodulation reference signal (DMRS) of the PDSCH from the AI / ML model which has been trained by means of one or more training reference signals from among the plurality of training reference signals.

The embodiment of the invention discloses a modulation and coding strategy indication method and a corresponding device. The present application is applied to a wireless local area network system that supports one or more of an IEEE 802.11 ax next generation Wi-Fi protocol (e.g., 802.11 be, Wi-Fi 7 or EHT), an IEEE 802.11 be next generation Wi-Fi protocol (e.g., 802.11 bn, Wi-Fi 8, UHR), a Wi-Fi AI, a millimeter wave (mmWave), an ultra wide band (UWB), and a sensing. The method comprises: generating a physical layer protocol data unit (PPDU), the PPDU comprising a first field and a second field, the first field being used for indicating a first modulation and coding policy (MCS) combination, and the second field being used for indicating the number of spatial streams corresponding to one or more MCSs in the first MCS combination; the PPDU is sent; the bit overhead can be saved.

A method for wireless communication at a UE includes forming a first hybrid automatic repeat request acknowledgement (HARQ-ACK) part and a second HARQ-ACK part associated with a HARQ-ACK payload in accordance with a transformation scheme. The HARQ-ACK payload includes HARQ feedback for each one of a group of downlink transmissions. The method also includes separately encoding the first HARQ-ACK part and the second HARQ-ACK part. The method further includes multiplexing the encoded first HARQ-ACK part and the encoded second HARQ-ACK part on a physical uplink shared channel (PUSCH). The method still further includes transmitting, to the network node via the PUSCH, the multiplexed first HARQ-ACK part and second HARQ-ACK part.

Disclosed are a method and device for performing random access in a wireless communication system. The method for performing, by a terminal, a random access procedure in a wireless communication system, according to one embodiment of the present disclosure, may comprise the steps of: receiving, from a base station, information about a modulation and coding scheme (MCS) index group for a message 3 physical uplink shared channel (Msg3 PUSCH), on the basis that repetition transmission for the Msg3 PUSCH is configured, the MCS index group comprising at least one MCS index value; receiving, from the base station, MCS information indicating a specific MCS index value among the at least one MCS index value; and transmitting the Msg3 PUSCH on the basis of the specific MCS index value indicated by the MCS information.

Embodiments of the present disclosure relate to methods, devices and computer readable media for communication. A terminal device determines CSI and channel quality information based on a measurement on a set of RSs from a network device, and determines a compression method at least based on the channel quality information. The terminal device compresses the CSI based on the compression method, and transmits, to the network device, the channel quality information and the compressed CSI. The network device determines the compression method applied for the compressed CSI based on the channel quality information, and recoveries CSI based on the compressed CSI and the compression method. In this way, CSI feedback overhead and compression performance may be balanced.

A transmission mode indication method and device, a base station, a terminal and a storage medium are provided. The method includes: transmitting signaling to a UE, and the UE determines a transmission mode between the UE and a base station according to the signaling, the signaling carrying indication information of a transmission configuration indicator (TCI) state, indication information of a redundancy version (RV), indication information of a demodulation reference signal (DMRS) port, and indication information indicating whether the number of retransmission is carried; or, besides the described indication information, the signaling also carrying indication information of a transmission mode. In the embodiments of the present application, indication information is carried in signaling and is used for indicating a specific transmission mode, and dynamic switching between different transmission modes can be achieved, and the system performance, the reliability and the resource utilization rate are better improved.

The present application relates to a method for verifying a Channel Quality Indicator (CQI) measurement performed by a first wireless device in a communication network. The communication network includes a Radio Access Network (RAN). The method includes: obtaining a first CQI measurement report including a first CQI measurement value of a measurement performed by the first wireless device on for a first downlink channel between a first RAN node and the first wireless device; identifying at least one neighbour wireless device to the first wireless device; obtaining at least one neighbour CQI measurement report from the at least one neighbour wireless device; aggregating the at least one neighbour CQI measurement report into a reference CQI measurement report set; and verifying the first CQI measurement value using the reference CQI measurement report set. The present application also relates to a verification node and a computer program product.

Disclosed is a method for transmitting and receiving a physical protocol data unit (PPDU) in a wireless communication system. A terminal receives a preamble of the PPDU from an access point (AP). The preamble includes a universal signal (U-SIG) field and an extremely high throughput (EHT)-SIG field, wherein the EHT-SIG field may be configured with at least one content channel on a frequency axis. Here, the number of the at least one content channel may be recognized on the basis of the U-SIG field. Subsequently, the terminal receives data of the PPDU on the basis of the U-SIG field and the EHT-SIG field.

The invention discloses a cross-network convergence transmission method and device based on network coding, and relates to the technical field of communication. According to the application type, selecting a coding mode to code the original data packet to obtain a plurality of to-be-transmitted data packets; determining a scheduling scheme based on the network state; according to the data transmission method and device, the coding mode is selected according to the application type, cross-network fusion transmission can be completed based on network coding, and the time delay is reduced while the bandwidth of data transmission is improved.

This disclosure is directed to methods, systems, and devices related to wireless communication, and more specifically, to methods, systems, and devices related to channel state information (CSI) measurement or CSI report based on different antenna ports. A method of wireless communication, comprising receiving, by a wireless communication device, from a network device, a radio resource control (RRC) signaling; wherein the RRC signaling includes at least a channel state information (CSI) report configuration and a CSI resource configuration; performing, by the wireless communication device, a CSI reporting according to the RRC signaling; and wherein the CSI reporting contains more than one CSI sub-reports.

A wireless communication method is disclosed. The method comprises: receiving, by a wireless communication terminal from a wireless communication node, control signaling comprising one or more channel state information reference signal, CSI-RS, configuration information associated with one or more group identifiers, IDs, or one or more channel state information, CSI, measurement report configurations associated with one or more group IDs; receiving, by the wireless communication terminal from the wireless communication node, first signaling comprising a CSI-RS configuration indication; and performing, by the wireless communication terminal, at least one of a CSI-RS measurement or a transmission of a channel state information, CSI, measurement report to the wireless communication node based on at least one of the control signaling, the CSI-RS configuration indication, or predefined information.

A communication system includes: a communication terminal capable of encoding data by using an encoding model that encodes and outputs data that has been input; and a base station including a central unit and one or more distributed units, the distributed units decoding data encoded with the encoding model by using a decoding model that, when encoded data is input, decodes and outputs the data, and the central unit or the distributed units perform machine learning by using learning data including data transmitted by the communication terminal without performing encoding to generate the encoding model and the decoding model, and notify the communication terminal of a learning result of the encoding model.

A method and apparatus for performing a sensing procedure in a wireless LAN system are disclosed. According to an embodiment of the present disclosure, the method by which a first STA performs the sensing procedure in the wireless LAN system comprises the steps of: receiving, from a second STA, at least one sensing measurement setup request frame requesting at least one sensing measurement setup; transmitting, to the second STA, at least one sensing measurement setup response frame in response to the at least one sensing measurement setup request frame; and transmitting a sensing measurement setup termination frame to the second STA or receiving the sensing measurement setup termination frame from the second STA.

A terminal according to one aspect of the present disclosure includes a control section that performs a measurement on a Doppler shift of a channel state information (CSI)-reference signal (RS) and determines channel state information (CSI) based on the measurement, and a transmitting section that transmits a reporting of the CSI. According to one aspect of the present disclosure, the measurement / reporting on the impacts of movement can be properly performed.