Qualcomm Incorporated

Telefonaktiebolaget Lm Ericsson (publ)

Qiaoyu Li

Chao Wei

Chenxi Hao

Liangming Wu

Hao Xu

Wanshi Chen

Min Huang

Yu Zhang

Jing Lei

Peter S Gaal

Peter Pui Lok Ang

Jing Dai

Joseph Binamira Soriaga

Huilin Xu

Yuwei Ren

Ruiming Zheng

Parisa Cheraghi

Xiaoxia Zhang

Juan Montojo

Krishna Kiran Mukkavilli

Mostafa Khoshnevisan

Le Liu

Changlong Xu

Yiqing Cao

Lei Xiao

Rui Hu

Kangqi Liu

Tao Luo

Sony Akkarakaran

Kapil Gulati

Alberto Rico Alvarino

Yi Huang

Sudhir Kumar Baghel

Taesang Yoo

Peng Liu

Linhai He

Shailesh Patil

Umesh Phuyal

Renqiu Wang

Jian Li

Peng Cheng

Yang Zhang

Kai Chen

Pavan Kumar Vitthaladevuni

Bo Chen

Ruifeng Ma

Alexandros Manlakos

Mingxi Yin

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration for a control resource set (CORESET) that indicates a precoder granularity unit over which a same precoding is used for resources of the CORESET. The precoder granularity unit may be greater than a resource element group bundle of the CORESET and less than contiguous resource blocks of the CORESET. The UE may monitor for one or more physical downlink control channel candidates according to the configuration. Numerous other aspects are provided.

Control resource set precoding indication

Apparatus, methods, and computer-readable media for facilitating CSI feedback in multiple-TRP communication are disclosed herein. An example method of wireless communication by a UE includes receiving, from a base station, a report configuration message triggering a channel state feedback procedure, the UE and the base station operating in a multiple transmission and reception point (multiple-TRP) communication mode, the report configuration message requesting a multiple-TRP transmission value including at least one of a quantity of layer indicator (LI) values and a strongest TRP indicator (STI) value. The example method also includes generating channel state information (CSI) information based on the receiving of the report configuration message, the CSI information including the multiple-TRP transmission value. The example method also includes transmitting, to the base station, a report including the generated CSI information.

Methods and apparatus to facilitate CSI feedback in multiple-TRP communication

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a UE may receive multiple CSI report configurations that include at least a first CSI report configuration and a second CSI report configuration that are associated with one or more CSI reference resources; determine a dependency between the first CSI report configuration and the second CSI report configuration; and calculate at least one of a first CSI for the first CSI report configuration or a second CSI for the second CSI report configuration based at least in part on an assumption of a joint transmission using the one or more CSI reference resources, wherein the assumption is based at least in part on the determination of the dependency. report at least one of the first CSI in a first CSI report or the second CSI in a second CSI report. Numerous other aspects are provided.

Correlation of multiple channel state information reports for multi-layer communication

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine a cyclic shift configuration for one or more repetitions of a non-interleaved control resource set (CORESET), and monitor for one or more physical downlink control channel candidates in the one or more repetitions of the non-interleaved CORESET based at least in part on determining the cyclic shift configuration for the one or more repetitions. Numerous other aspects are provided.

Repetition specific cyclic shifting of a non-interleaved control resource set

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a sensing signal receiver may receive, from a sensing signal transmitter, sensing signals for passive object sensing in a plurality of beams; and transmit, to the sensing signal transmitter, feedback information that indicates an association of a set of beams, of the plurality of beams, for sensing signal transmission. Numerous other aspects are provided.

Beam feedback for passive sensing

Certain aspects of the present disclosure provide techniques for using subband precoding for uplink transmissions. In some cases, a UE may receive, from a network entity, information indicating one or more of sounding reference signal (SRS) ports selected by the network entity and associated linear combination coefficients, determine subband precoding based at least in part on the selected SRS ports and linear combination coefficient, and transmit a physical uplink shared channel (PUSCH) with the subband precoding.

Uplink subband precoding via sounding reference signals precoded by frequency domain bases

A method performed by a user equipment (UE) generates local gradients for a federated learning task. The method calculates a gradient Sum-Power level based on the local gradients. The method receives a mapping between gradient Sum-Power levels and scaling factors for channel inversion coefficients to process a data block into an unencoded uplink signal. The method also determines a channel inversion coefficient based on a scaling factor obtained from the mapping and the calculated gradient Sum-Power level. The method applies analog modulation and the channel inversion coefficient to the data block to form the unencoded uplink signal. The method further transmits, to a network, the unencoded uplink signal on shared uplink resources for an over-the-air computation of global gradients for the federated learning task.

Gradient dataset aware configuration for over-the-air (OTA) model aggregation in federated learning

Apparatus, methods, processing systems, and computer readable mediums for beam management in multi-TRP scenarios are disclosed. An exemplary method generally includes receiving a channel state information reference signal (CSI-RS) resource configuration from at least one base station (BS) for one or more transmission hypotheses, wherein the CSI-RS resource configuration includes CSI-RS resources corresponding to at least a first downlink (DL) demodulation reference signal (DMRS)-port-group and a second DL DMRS-port-group, performing one or more CSI-RS measurements for the one or more transmission hypotheses based, at least in part on the CSI-RS resource configuration, and determining, for each of the one or more transmission hypotheses, a preferred reception beam for communicating with the at least one BS based, at least in part, on the one or more CSI-RS measurements.

Beam management enhancements for multi-TRP scenarios

A user equipment for wireless communication is provided. The UE operates within an active bandwidth part (BWP) of a component carrier, wherein the active BWP is a portion of a total bandwidth of the component carrier, determines a configuration for a dynamic channel state information (CSI) measurement gap, the dynamic CSI measurement gap including channel state information (CSI) measurement resources having a frequency domain occupation within the total bandwidth of the component carrier and outside of the active BWP, measures the CSI measurement resources included in the dynamic CSI measurement gap, and transmits a CSI report based on the measured CSI measurement resources.

Dynamic channel state information (CSI) measurement gap for bandwidth limited low complexity user equipments

An apparatus receives a configuration for a phase tracking reference signal (PT-RS). The apparatus then determines at least one of a time density or a frequency density for the PT-RS based on inter-slot repetition of a transmission. The apparatus then receives or transmits the PT-RS based on the at least one of the time density or the frequency density determined based on the inter-slot repetition of the transmission.

Phase tracking reference signal configuration for transmission repetitions

Certain aspects of the present disclosure provide techniques for sounding and precoding uplink transmissions using one or more machine learning models. An example method generally includes generating a sounding reference signal (SRS) using an SRS deep neural network (DNN); transmitting, to a network entity, the generated SRS in one or more resource elements (REs); receiving, from the network entity, information identifying a precoding matrix to use for uplink transmissions on a shared channel; precoding uplink transmissions based on the identified precoding matrix; and transmitting, to the network entity, the precoded uplink transmissions on the shared channel.

Sounding and transmission precoding matrix indication determination using machine learning models

Certain aspects of the present disclosure provide techniques for reporting channel state information (CSI) with spatial and time domain compression.

Channel state information (CSI) with spatial and time domain compression

Aspects of the disclosure relate to a wireless user equipment (UE) configured to receive a downlink in a network configured for full duplex communication. The UE receives from the network an indication of a maximum rank of an uplink from an interfering, aggressor UE. The UE measures interference of a signal from the aggressor UE, and based on the measurement, determines one or more rank values for the aggressor UE, less than or equal to the maximum rank. The UE may further determine one or more channel parameters for downlink transmissions the UE receives, corresponding to the determined rank values. The UE then transmits a channel state information (CSI) report that includes an indication of at least one of the one or more rank values for the aggressor UE. The CSI report may further include the determined channel parameters. Other aspects, embodiments, and features are also claimed and described.

Interference rank indication by a victim node in full duplex

Methods, systems, and devices for wireless communications are described. In some systems, a base station and multiple user equipment (UEs) may participate in a federated learning operation in which each UE may transmit an unencoded uplink signal to the base station indicating one or more parameters associated with updating a local model at the UE. The base station may aggregate and average the received parameters to update a global model at the base station. Additionally, each UE that transmits an unencoded uplink signal may transmit reporting information associated with the unencoded uplink signal indicating that the unencoded uplink signal is transmitted or that a downlink control information was received. The base station may use the reporting information to determine an averaging value with which to average the aggregation of the received parameters.

Reporting for information aggregation in federated learning

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a first sensing signal transmitted by a base station. The UE may determine a preferred sensing direction for a second sensing signal based at least in part on the first sensing signal. The UE may transmit a directional sensing signal request to the base station. The directional sensing signal request may include information indicating the preferred sensing direction for the second sensing signal. Numerous other aspects are provided.

Directional sensing signal request

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Beijing, China

Qiaoyu Li