Sony Corporation

Sony Group Corporation

Lenovo (beijing) Limited

Cheng Gao

Jin Xu

Siqi Liu

Jianfei Cao

Chaonan He

Jinhui Chen

Chen Sun

Bingcheng Jin

Hang Yang

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

A wireless communication device and a wireless communication method. A wireless communication device for use in a base station side includes one or more processors. The processor is configured to obtain a distribution state of a user equipment, and determine to use a channel state information-reference signal (CSI-RS) mechanism based on the distribution state of the user equipment. In addition, the processor is further configured to generate indication information, the indication information being used for indicating to the user equipment the CSI-RS to be used. Besides, the processor is further configured to control to send the CSI-RS to the user equipment according to the CSI-RS mechanism.

Wireless communication device and wireless communication method

An electronic device, a method applied to an electronic device, and a data processing device. The electronic device includes: a processing circuit configured to allow a cell to implement data transmission by using at least a portion of a time resource corresponding to an unused channel state information reference signal (CSI-RS) port, wherein the CSI-RS port is from a CSR-RS configuration different from a CSI-RS configuration of the cell.

Electronic device, method applied to electronic device, and data processing device for reusing idle CSI-RS ports of an adjacent cell

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

A device used at a wireless communication base station side and a user equipment side, and a method. The device used at a wireless communication base station side includes: a sequence generation unit configured to generate a reference signal sequence; and a resource mapping unit configured to determine a reference signal pattern composed of a mapping relationship between an antenna port and a resource element of a physical transmission resource according to the number of antenna ports for sending reference signals, and mapping the reference signal sequence to the resource unit based on the reference signal pattern for transmission, wherein the reference signal pattern includes code division multiplexing conducted on the resource unit in a frequency domain between antenna ports.

Device used at wireless communication base station side and user equipment side, and method

An electronic device in a wireless communication system, and a wireless communication method. The electronic device includes one or more processing circuits, and is configured to: respond to a measurement instruction from a base station in a wireless communication system, and separately measure channel state information reference signals (CSI-RSs) on one or more antenna ports; and generate feedback information according to the measurement result, so that the base station selects, from the one or more antenna ports, an antenna port used for transmitting to the CSI-RSs to the electronic device, the feedback information including occupation information of occupation condition of each of the one or more antenna ports. Port selection for CSI-RSs can be implemented, beamforming CSI-RS interference between cells and within a cell can be reduced, and system performance can be improved only requiring very low signaling overheads.

Electronic device in wireless communication system, and wireless communication method

For image display, an imaging device captures an image. A display unit displays the captured image. A processing unit displays a second interface in response to the image satisfying a predetermined condition, wherein the second interface comprises controls corresponding to the predetermined condition.

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Beijing, China

Cheng Gao