3367results 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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Methods and systems are described for a user equipment (UE) to monitor, detect problems or failures, and perform resolution actions in a machine learning (ML) model. Configurations or parameters for the monitoring, detecting, and / or resolving can be provided by a network node. The UE can perform one or more resolution actions that can be said to be autonomous actions, as they are triggered by the detection of the ML model problem, not in response to a network command or message received after the ML model problem is detected.

A method for configuring at least one first node training machine learning (ML) model includes being provided with a training assistant information by a second node, wherein the training assistant information is used for the first node to perform joint training with the second node to train a plurality of ML models having a common part.

A method performed by a network node for an adaptive prediction of a time horizon for at least one key performance indicator, KPI, in a wireless network is provided. The method includes transmitting towards a user equipment, UE, a machine learning, ML, model to predict the at least one KPI; and receiving from the UE a first message including the predicted at least one KPI and a predicted time horizon for the predicted at least one KPI. A method performed by a UE is also provided.

Aspects of the present disclosure provide techniques for communicating channel state information (CSI) reports. In some aspects, downlink resources can be monitored for reception of downlink signaling, a CSI report can be generated based on the reception of the downlink signaling, where the CSI report indicates CSI for each of multiple sub-bands of the downlink resources, and the CSI report can be transmitted with hybrid automatic repeat request (HARQ) acknowledgement or negative acknowledgement (ACK / NACK) feedback associated with the downlink signaling to facilitate retransmission with improved block error rate (BLER). In some aspects, a base station receiving the CSI report, or otherwise based on uplink signals, can determine transmission parameters for retransmission to facilitate the improved BLER.

A wireless device receives one or more configuration parameters for a two-step random access channel (RACH) procedure. The wireless device transmits, based on the configuration parameters, a message, for the two-step RACH, comprising a preamble and a transport block. The wireless device receives, during a discontinuous reception (DRX) active time of a DRX operation of the wireless device, a response to the message. The DRX active time may be based on a time window for receiving the response to the message. The time window may start at least one symbol after a transmission occasion of the transport block.

Techniques and apparatus for configuring differential channel state information (CSI) reporting for high resolution CSI are provided. One technique includes determining a configuration for a user equipment (UE) to use for reporting differential CSI feedback. The configuration includes at least an indication of when the UE is to report differential CSI feedback, and is signaled to the UE. Once received, the UE reports differential CSI feedback according to the configuration.

The present specification provides a method for transmitting and receiving a plurality of PDSCHs in a wireless communication system and a device for same. In particular, the method carried out by a terminal may comprise the steps of: receiving configuration information for configuring a number K of time-unit groups for receiving a plurality of PDSCHs via different quasi co-location (QCL) source signals; receiving PDSCH configuration information including information about a plurality of transmission configuration indication (TCI) states; receiving information about a number K of TCI states, corresponding to the number K of time-unit groups, among the plurality of TCI states; and receiving the plurality of PDSCHs on the basis of the number K of TCI states.

Methods and systems are disclosed for enhancements to multicast beamforming to support PTM multicast service, concurrent multicast and unicast service, MBS, or group side-link service at the physical layer. A base station or multicast UEs of a wireless communication network may enhance reporting of the channel state information of a link between the base station and the UE and adaptation of the link for multicast beamforming. Enhancements to multicast beamforming may include techniques such as CQI table optimization and SSB-based early CQI reporting, consideration of UE preferences such as the preferred number of retransmissions and frequency-hopping preference for retransmission when designing a time-domain or frequency-domain retransmission scheme common to the multicast UEs, and multi-layer MIMO beamforming for 2-layer multicast transmissions over the horizontal and vertical polarizations and for concurrent multicast and unicast transmissions. The enhancements improve multicast service performance and efficiently allow a UE to gain access to multicast service.

A method and a device for transmitting / receiving a signal in a wireless communication system, disclosed in the present specification, comprises receiving DCI for scheduling PDSCHs or PUSCHs on mutually different cells. Specifically, the DCI includes a NDI field, a RV field and / or a HPN field for the PDSCHs or PUSCHs on the mutually different cells.

A user equipment maps a high priority hybrid automatic repeat request-acknowledgment / negative acknowledgment (HARQ-ACK / NACK) information to one or more resource elements (REs), and maps one or more of a low priority HARQ-ACK / NACK information, channel state information (CSI), or uplink-shared channel (UL-SCH) data to REs while rate matching around the mapped high priority HARQ-ACK / NACK REs. A network entity receives an uplink transmission, including high and low priority HARQ-ACK / NACK information, CSI, and UL-SCH data mapped to high and low priority HARQ-ACK / NACK REs, CSI REs, and UL-SCH REs, respectively. The low priority HARQ-ACK / NACK REs, the CSI REs, and the UL-SCH REs are rate matched around the high priority HARQ-ACK / N ACK REs. The network entity demaps and decodes the REs of the high and low priority HARQ-ACK / NACK, the CSI, and UL-SCH to obtain the high and low priority HARQ-ACK / NACK information, CSI, and UL-SCH data.

An information processing method and apparatus, and user equipment. The method includes: in a case that a time domain resource of an uplink data channel overlaps that of at least one uplink control channel, processing at least one piece of UCI according to first target information, where the at least one piece of UCI is UCI carried on the at least one uplink control channel or includes UCI carried on the uplink data channel and UCI carried on the at least one uplink control channel, and the first target information includes at least one of the following: priority information, type information of information carried on the uplink data channel, or type information of the UCI carried on the at least one uplink control channel.

Techniques used for uplink precoding scheme prediction and indication in wireless communication are disclosed. A user equipment (UE) can dynamically identify a predicted uplink precoding scheme for a future uplink transmission, for example, based on at least in part downlink control information received from a network entity and downlink measurements before the future uplink transmission. A UE can transmit a first uplink (UL) transmission scheduled by the first DCI. The UE can further transmit a second UL transmission after the first UL transmission, a precoding scheme of the second UL transmission being determined based on at least in part the first DCI.

Methods related to wireless communication systems and uplink (UL) rank adaptation are provided. A user equipment (UE) receives, from a base station (BS), a configuration indicating a resource associated with a plurality of UL reference signal ports. The UE determines, based on at least one of an overheating status, a throughput, or a latency, a quantity of transmission layers for a transmission. The UE transmits, to the BS, an indication of at least one of (1) one or more UL reference signal ports of the plurality of UL reference signal resources associated with the UL reference signal resource based on the quantity of transmission layers, or (2) a number of UL reference signal ports associated with the multi-port UL reference signal resource based on the quantity of transmission layers.

The disclosure relates to a communication technique that converges a 5th generation (5G) communication system for supporting a higher data rate after a 4th generation (4G) system with Internet of things (IoT) technology, and a system thereof. The disclosure can be applied to intelligent services (e.g., smart home, smart building, smart city, smart or connected car, healthcare, digital education, retail, security and safety related services, etc.) based on 5G communication technology and IoT-related technology. The disclosure relates to a wireless communication system and, more particularly, to a method and an apparatus wherein a User Equipment (UE) transmits Hybrid Automatic Repeat request Acknowledgement (HARQ-ACK) information to multiple transmission points, panels, or beams through an uplink for cooperative communication between multiple transmission points, panels, or beams.

A base station: receives respective CSI feedback (q_1) to (q_K) from user equipments 1 to K; and determines a precoding vector for the user equipment k on the basis of the CSI feedback (q_1) to (q_K), where, k=0, . . . , K. The determining of the precoding vector for the user equipment k on the basis of the CSI feedback (q_1) to (q_K) may comprise determining the precoding vector for the user equipment k through a decoder on the basis of i) a value of the sum of CSI feedback (q_1) to (q_k−1) and (q_k+1) to (q_K) from the remaining user equipments 1 to (k−1) and (k+1) to K except for the user equipment k among the user equipments 1 to K, and ii) CSI feedback (q_k) from the user equipment k.

A method by which a UE receives a signal, according to an embodiment, may comprise: receiving, through higher layer signaling, a configuration related to multi-cell scheduling; and on the basis of the configuration related to the multi-cell scheduling, receiving downlink control information (DCI) for the multi-cell scheduling, wherein the DCI includes a first field commonly configured for scheduled cells, codepoints of the first field are associated with a plurality of first entries, each of which is configured with a parameter combination for multiple cells, and for the first entry associated with the first codepoint acquired via the first field as the result of receiving the DCI, the UE may determine, on the basis of a bandwidth part (BWP) information field of the DCI, the parameter combination configured for the first entry.

Provided are a channel state information processing unit CPU occupancy determining method, a terminal and a readable storage medium. The method includes: determining, by a terminal based on at least two first report sub-configurations in a target CSI report configuration, CPU occupancy required for a target CSI report, the target CSI report including: at least two first CSI reports and / or a second CSI report, where each first CSI report is a CSI report performed by the terminal based on one of the first report sub-configurations, and each first CSI report corresponds to one spatial adaptation pattern; the second CSI report is a CSI report performed by the terminal based on the at least two first report sub-configurations, and the second CSI report corresponds to at least two spatial adaptation patterns; and the CPU occupancy includes a time period of the CPU occupancy and / or a quantity of occupied CPUs.