Sony Corporation

Sony Group Corporation

Sony Corporatopm

Chaonan He

Jin Xu

Jianfei Cao

Siqi Liu

Hang Yang

Xiaofeng Tao

Cheng Gao

Dongru Li

An electronic device at a base station end includes a processing circuit, the processing circuit being configured to: configure, in response to request signalling from a user equipment, an aperiodic beam-forming reference signal relevant to a first beam group for the user equipment, wherein the first beam group is determined by a base station according to channel state information periodically fed back by the user equipment; generate downlink control information, so as to indicate that the user equipment feeds back beam selection information according to the aperiodic beam-forming reference signal; determine, according to the beam selection information, one or a plurality of candidate beams and one or a plurality of corresponding second pre-coding codebooks; and determine an effective pre-coding codebook based on the one or multiple second pre-coding codebooks.

Electronic device and method in wireless communication system, and wireless communication system

An electronic device for a base station in a wireless communication system including processing circuitry configured to indicate a user equipment to report a first type of channel statement information based on a reference signal for the first type of channel statement information, wherein the base station serves the user equipment in a way of SU-MIMO, make a determination that a second type of channel statement information is required in a case that the base station changes the way serving the user equipment from SU-MIMO to MU-MIMO, and notify the user equipment to report the second type of channel statement information based on a reference signal for the second type of channel statement information.

Electronic device, communication method and storage medium in wireless communication system to make an optimum compromise between the accuracy of the channel state information and the overhead

Provided are an electronic device and method for wireless communication, the electronic device comprises a processing circuit, which is configured for: generating a first indication indicating the number of orthogonal frequency division multiplexing symbols occupied by a front load-on demodulation reference signal; generating a second indication indicating a configuration of an additional demodulation reference signal; and determining a mode of demodulating the reference signal on the basis of the first indication and the second indication, and generating a mode index corresponding to the mode to provide to user equipment.

Wireless communication electronic device and method, and computer readable storage medium

An apparatus and a method in a wireless communication system are disclosed. The apparatus comprises a processing circuit, the processing circuit being configured to: determine an idle resource element in a P2 process and/or a P3 process based on a channel state information-reference signal (CSI-RS) mapping structure, wherein only a transmission beam is scanned in the P2 process, only a reception beam is scanned in the P3 process, and the idle resource element refers to a resource element which is not occupied by a CSI-RS in an OFDM symbol occupied by the CSI-RS; and when the P2 process and/or the P3 process is carried out, control a base station so that same uses the idle resource element to send data and/or control information to a user equipment.

Apparatus and method in wireless communication system

Provided in the disclosure are an electronic device and method for a network control terminal, and an electronic device and method for a network node. The electronic device and method for a network control terminal comprise: a processing circuit configured to determine, based on first indication information from an adjacent network control terminal, that a network node served by the present network control terminal measures a channel state information reference signal (CSI RS) port of reference signal receiving power (RSRP) of same, wherein the first indication information indicates an interference state of the CSI RS port used by the corresponding adjacent network control terminal; and determine, based on a measurement result from the network node, the adjacent network control terminal interfering with the network node, and the CSI RS port thereof.

Electronic device and method for network control terminal and network node

Provided are an electronic device and a method in a radio communication system. The electronic device comprises a processing circuit. The processing circuit is configured to determine, based on information indicating inter-cell interference and information indicating intra-cell interference fed back by multiple user equipment, a transmission resource configuration regarding the multiple user equipment. According to at least one embodiment of the present disclosure, it can effectively solve the problem that system overheads for determining multi-user pairing significantly increase due to the presence of a large number of user equipment to be paired when multi-user multiple-input and multiple-output (MU-MIMO) transmission is performed, while system fairness and throughputs are also achieved.

Electronic device and method in radio communication system

An electronic device on the user side comprising a processing circuitry configured to report to a network control device a first type of channel state information (CSI) by using a resource for the first type of channel state feedback allocated by the network control device; make a determination that a second type of channel state feedback is required; and notify the network control device of the determination.

Growing community of inventors

Beijing, China

Chaonan He