公开(公告)号：US20210028834A1

公开(公告)日：2021-01-28

申请号：US17066497

申请日：2020-10-09

Applicant: Sony Corporation

Inventor： Chen QIAN ,  Zhaocheng WANG ,  Wendong LIU ,  Jinhui CHEN

IPC: H04B7/0456 ,  H04B7/04 ,  H04B7/06 ,  H04W16/28

Abstract: Disclosed are a device and method in a wireless communication system. The device comprises: a first generating unit configured to generate a first pre-coding matrix according to first channel information on a channel between a first communication apparatus and a second communication apparatus; a second generating unit configured to generate a second pre-coding matrix according to the first pre-coding matrix and second channel information on the channel; and a pre-coding unit configured to pre-code a data signal according to the first pre-coding matrix and the second pre-coding matrix. According to the embodiments of the present invention, interference between user equipment can be effectively removed, the operation complexity is reduced, and the whole performance of the system is optimized.

公开(公告)号：US20180123659A1

公开(公告)日：2018-05-03

申请号：US15572558

申请日：2016-05-12

Applicant: SONY CORPORATION

Inventor： Chen QIAN ,  Zhaocheng WANG ,  Wendong LIU ,  Jinhui CHEN

IPC: H04B7/0456 ,  H04W16/28

CPC classification number: H04B7/0456 ,  H04B7/024 ,  H04B7/04 ,  H04B7/06 ,  H04B7/0626 ,  H04W16/28

Abstract: Disclosed are a device and method in a wireless communication system. The device comprises: a first generating unit configured to generate a first pre-coding matrix according to first channel information on a channel between a first communication apparatus and a second communication apparatus; a second generating unit configured to generate a second pre-coding matrix according to the first pre-coding matrix and second channel information on the channel; and a pre-coding unit configured to pre-code a data signal according to the first pre-coding matrix and the second pre-coding matrix. According to the embodiments of the present invention, interference between user equipment can be effectively removed, the operation complexity is reduced, and the whole performance of the system is optimized.

公开(公告)号：US20210028832A1

公开(公告)日：2021-01-28

申请号：US16636035

申请日：2018-09-10

Applicant: Sony Corporation

Inventor： Wendong LIU ,  Zhaocheng WANG ,  Jianfei CAO

IPC: H04B7/0452 ,  H04B7/0417

Abstract: An electronic device and a communication method. The electronic device comprises: a processing circuit, configured to: determine transmitting signals simultaneously to at least two user devices and proximity of directions of downlink transmission signals for the at least two user devices satisfying a predetermined condition; and acquire, an amount of antenna elements to be activated for downlink beamforming, which is determined based on the directions of downlink transmission signals for the at least two user devices.

公开(公告)号：US20190238283A1

公开(公告)日：2019-08-01

申请号：US16341073

申请日：2017-11-03

Applicant: Sony Corporation

Inventor： Wendong LIU ,  Zhaocheng WANG ,  Jianfei CAO

IPC: H04L5/00 ,  H04B7/06 ,  H04B7/0417 ,  H04L25/02

Abstract: The present disclosure is related to an electronic device, wireless communication method and medium. The electronic device comprises circuitry configured to: obtain first channel state comprising at least channel state of a channel from a first apparatus to a first antenna associated with the electronic device, the first apparatus performing wireless communication with the electronic device; and obtain second channel state based on the first channel state, the second channel state comprising channel state of a channel from a second antenna associated with the electronic device to the first apparatus.

公开(公告)号：US20190068259A1

公开(公告)日：2019-02-28

申请号：US16072777

申请日：2016-12-28

Applicant: Sony Corporation

Inventor： Wendong LIU ,  Zhaocheng WANG ,  jinhui CHEN

IPC: H04B7/06 ,  H04B7/0456

Abstract: The present disclosure relates to a non-uniform antenna array and signal processing therefor. Specifically disclosed is a device at a transmitting end, comprising a plurality of antenna elements arranged in a vertical direction. Spaces between adjacent antenna elements of at least a part of the plurality of antenna elements increase gradually in a first direction.

公开(公告)号：US20210152228A1

公开(公告)日：2021-05-20

申请号：US16636036

申请日：2018-09-26

Applicant: Sony Corporation

Inventor： Wendong LIU ,  Zhaocheng WANG ,  Jianfei CAO

IPC: H04B7/06 ,  H04B7/0408 ,  H04L5/00 ,  H04W72/04 ,  H04W24/08 ,  H04W72/08

Abstract: The present disclosure relates to an electronic device and a communication method. An electronic device for a first communication device side including: processing circuitry configured to: determine, based on priori information, a transmitting order for a plurality of transmitting beams of the first communication device in beam sweeping to be performed on a communication from the first communication device to a second communication device; and control to use the plurality of transmitting beams in the beam sweeping according to the determined transmitting order.

公开(公告)号：US20200136704A1

公开(公告)日：2020-04-30

申请号：US16463384

申请日：2018-02-07

Applicant: Sony Corporation

Inventor： Wendong LIU ,  Zhaocheng WANG ,  Jianfei CAO

IPC: H04B7/06 ,  H04B7/0456

Abstract: An electronic device for a wireless communication system includes processing circuitry configured to: perform control to transmit/receive signals to/from a target communication apparatus via an offset array antenna associated with the electronic device, wherein the offset array antenna comprises multiple sets of antenna elements, each has multiple antenna elements arranged in a first direction, a spatial offset and a phase difference in the first direction exist among the multiple sets of antenna elements, and the multiple sets of antenna elements are arranged in a second direction perpendicular to the first direction; and acquire a state of a channel in the first direction between the offset array antenna and the target communication apparatus, wherein the state of the channel in the first direction is determined using the signals which comprise the phase difference in the first direction.