Sony Group Corporation

Sony Corporation

Sony Corporatopm

Jianfei Cao

Zhaocheng Wang

Jin Xu

Chaonan He

Dongru Li

Hang Yang

Xiaofeng Tao

Wenjing Ren

Peiyao Zhao

Wendong Liu

Zhengyi Zhou

Siqi Liu

Tao Cui

Ning Ge

Ying Zhou

Cheng Gao

Ziyuan Sha

Xudong Zhu

Wenbo Zhang

Xinli Wang

Chen Sun

Xin Guo

Qimei Cui

Penshun Lu

Pen-shun Lu

Ke Ma

The present disclosure relates to an electronic device, a communication method and a computer program product in a wireless communication system. There is provided an electronic device on side of a user equipment (UE), comprising a processing circuitry configured to receive a quasi co-location (QCL) indication regarding a QCL assumption between a first antenna port and a second antenna port, the QCL indication referencing a plurality of QCL parameters; according to a dropping rule associated with the QCL indication, drop a portion of the plurality of QCL parameters; and establish a QCL relation between the first antenna port and the second antenna port with respect to remaining QCL parameters referenced in the QCL indication.

Electronic device, communication method and computer program product

The present disclosure provides an electronic device and a method for wireless communication, and a computer readable storage medium. The electronic device comprises: a processing circuit configured to determine that a beam failure event occurs on a downlink of an unlicensed band, and to execute, on the unlicensed band and in a beam failure recovery process for the beam failure event, delay reduced clear channel assessment-based uplink transmission.

Electronic device and method for wireless communication, and computer readable storage medium

The present disclosure relates to electronic devices, methods, and storage medium for a wireless communication system. Various embodiments are described with respect to beam management. In one embodiment, an electronic device for a base station side in a wireless communication system can comprise a processing circuitry configured to repetitively transmit a synchronization signal (SS) to a terminal device by using different transmit (TX) beams based on a TX beam configuration; the SS can indicate information of the TX beam used to transmit the SS. The processing circuitry can be configured to obtain feedback from the terminal device; the feedback can comprise information of the TX beam for being used in TX beam management.

Electronic device, method and storage medium for wireless communication system

An electronic device and a method for wireless communication, and a computer-readable storage medium. The electronic device comprises: a processing circuit, configured to: acquire, from a base station, configuration information containing a first candidate beam set for beam failure recovery, the first candidate beam set comprising candidate beams of a serving cell and candidate beams of a non-serving cell; and determine, on the basis of the first candidate beam set and/or a second candidate beam set, an identification candidate beam to be used for beam failure recovery, the second candidate beam set comprising beams which serve as candidate beams of the non-serving cell and are detected by user equipment.

Electronic device and method for wireless communication, and computer-readable storage medium

Provided by the present disclosure are an electronic device and method used for wireless communication, and a computer-readable storage medium, the electronic device comprising: a processing circuit that is configured to: acquire from a base station information that is allocated by the base station for a user equipment (UE) and that is used for a beam management sounding reference signal (SRS) resource set; and, according to a pre-determined rule, determine an antenna panel of a UE corresponding to the SRS resource set indicated by the information, wherein the pre-determined rule limits the mapping between SRS resource sets used for beam management and antenna panels of UEs.

Electronic device and method used for wireless communication, and computer-readable storage medium

An electronic device and method for wireless communication system, and a storage medium. In the method, reference signal are carried merely on a part of communication sources for channel estimation, channel states on the communication resources carrying the reference signal are estimated, and conditions of channel paths from a transmitter to a receiver are estimated by using the estimated channel states of the communication resources. Thereby, channel states on other communication resources from the transmitter to the receiver can be obtained from the estimated channel path conditions.

Electronic device, method and apparatus for wireless communication system for channel estimation

The disclosure relates to an electronic device and method for a wireless communication system, and a storage medium. Various embodiments regarding beam management are described. In one embodiment, an electronic device for a terminal device side in a wireless communication system can comprise a processing circuit system. The processing circuit system can be configured to obtain random access configuration information, and send a random access preamble based on the random access configuration information, so as to indicate one or more transmission beams of a base station side, in a downlink, paired with one or more receiving beams at the terminal device side.

The present invention relates to a user equipment, an electronic device, a wireless communication method, and a storage medium. The user equipment according to the present invention comprises a processing circuit configured to: select G transmit beam groups from K transmit beams of a network side device; and sending information about the selected G transmit beam groups to the network side device, wherein each of the G transmit beam groups comprises N transmit beams, the user equipment is capable of simultaneously receiving downlink information that the network side device sends by using the N transmit beams, and K, N, G are all integers greater than 1. The use of the user equipment, the electronic device, the wireless communication method, and the storage medium according to the present invention can improve beam selection process in a system that uses a beamforming technique.

User equipment, electronic device, wireless communication method, and storage medium

An electronic device includes a processing circuit, configured to: configure one or multiple CMR and one or multiple IMR, and use a transmission beam corresponding to the one or multiple CMR to send a downlink signal to a user device, such that the user device: uses a receiving beam to receive the downlink signal from the transmission beam; determines the signal power on the basis of the signal quality measured on the CMR and determines the interference power on the basis of the signal quality measured on the IMR; and, on the basis of the signal power and the interference power, determines the signal-to-noise ratio between the transmission beam and the receiving beam. The device and process enables a network side device and the user device can more rationally select a transmission beam and a receiving beam.

Electronic device, wireless communication method, and computer readable storage medium

Provided are an electronic device and a method for wireless communication, and a computer-readable storage medium. The electronic device comprises: a processing circuit, configured to: send, by means of radio resource control signaling, configuration information of a universal transmission configuration indication state to a user equipment, wherein the universal transmission configuration indication state comprises a transmission configuration indication state of a downlink beam of a serving cell of the user equipment and a transmission configuration indication state of a downlink beam of a non-serving cell other than the serving cell; and determine activation information of a downlink beam of a target cell, wherein the user equipment is to be switched to the target cell.

An electronic device that includes a processing circuit that obtains, from a base station, configuration information used for beam failure recovery of a user equipment in multiple transmission/reception points (TRPs). Here, the configuration information includes a first configuration or a second configuration, the first configuration being used for determination of a beam failure event of each of the multiple TRPs, and the second configuration being used for joint determination of beam failure events of the multiple TRPs. The processing circuit of the electronic device reports the beam failure event to the base station on the basis of the configuration information.

Electronic device and method and computer-readable storage medium for determining a beam failure event of a multiple transceiving and receiving point (multi-TRP) wireless communication

Provided are an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device comprises: a processing circuit configured to: determine a first aperiodic sounding reference signal resource, the beam transmission direction of which is updated by first MAC CE signaling; and re-determine a path loss reference signal for the first aperiodic sounding reference signal resource on the basis of beam transmission direction information of the first aperiodic sounding reference signal resource in the first MAC CE signaling, or second MAC CE signaling.

Provided are an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device comprises: a processing circuit configured to determine a resource, which is expected to be used for interference beam measurement and which is used for sending a reference signal, of a neighbor cell, wherein the interference beam measurement is used for measuring the degree of interference of a transmitted beam of the neighbor cell in a serving cell; report a resource indicator of the determined resource to a base station of the serving cell; and execute interference beam measurement on the basis of configuration information from the base station.

The present disclosure relates to an electronic device, a method, and a storage medium for a wireless communication system. Various embodiments regarding interference cancellation are described. In one embodiment, an electronic device for a first base station includes a processing circuit, and the processing circuit is configured to: obtain channel information of a channel from a second base station to the first base station; process the channel information to divide the channel; and provide at least portion of processed channel information to the second base station, where at least one of the first base station or the second base station cancels, based on the at least portion of the processed channel information, interference caused from downlink transmission of the second base station to uplink reception of the first base station.

Electronic device, method, and storage medium for wireless communication system

The present disclosure relates to electronic device, communication method and storage medium in a wireless communication system. There is provided an electronic device on side of control device, comprising a processing circuitry configured to: select one or more transmitting beams to be used for downlink transmission with a user equipment based on beam information reported by the user equipment; and control to indicate the one or more transmitting beams to the user equipment, wherein, the processing circuitry is configured to perform the selecting of transmitting beams according to a beam reporting mode of the user equipment, and to select a plurality of transmitting beams in case where the user equipment reports the beam information in a group-based beam reporting mode.

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Beijing, China

Jianfei Cao