公开(公告)号：US20170187504A1

公开(公告)日：2017-06-29

申请号：US15327585

申请日：2015-04-10

Applicant: Chen QIAN ,  Jinhui CHEN ,  Zhaocheng WANG ,  Chen SUN ,  SONY CORPORATION

Inventor： Chen QIAN ,  Jinhui CHEN ,  Zhaocheng WANG ,  Chen SUN

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04L5/0048 ,  H04L5/0023 ,  H04L5/0051 ,  H04L5/0069 ,  H04L5/0073 ,  H04W64/006 ,  H04W72/0413

Abstract: An apparatus and method for use in radio communication, an electronic device, and a method for use with the electronic device. The apparatus includes: a location determination unit, configured to determine a cell subdivision corresponding to the geographic location of a communication device, wherein each cell includes multiple cell subdivisions; and, a pilot determination unit, configured to determine an uplink pilot sequence corresponding to the cell subdivision as the uplink pilot sequence of the communication device.

公开(公告)号：US20210013954A1

公开(公告)日：2021-01-14

申请号：US16760460

申请日：2018-12-25

Applicant: Peiyao ZHAO ,  Sony Corporation

Inventor： Peiyao ZHAO ,  Zhaocheng WANG ,  Jianfei CAO

IPC: H04B7/08

Abstract: The present disclosure relates to electronic device, method and storage medium for a wireless communication system. One embodiment of the present disclosure proposes beam management based on matching condition of channel path parameters under different beams. An electronic device includes a processing circuitry configured to: estimate, based on reference signals which are transmitted from the transmitter of the wireless communication system based on at least one second beam included in coverage of a first beam, parameters for channel paths from the transmitter to the receiver corresponding to the second beam, and wherein a particular second beam of the at least one second beam is selected based on the estimated parameters for channel paths, and the estimated parameter for channel path corresponding to the particular second beam matches parameter for channel path corresponding to the first beam.

公开(公告)号：US20200235875A1

公开(公告)日：2020-07-23

申请号：US16648245

申请日：2018-11-14

Applicant: Sony Corporation

Inventor： Ziyuan SHA ,  Zhaocheng WANG ,  Jianfei CAO

IPC: H04L5/00 ,  H04W72/04

Abstract: 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.

公开(公告)号：US20200021342A1

公开(公告)日：2020-01-16

申请号：US16495111

申请日：2018-05-11

Applicant: Sony Corporation

Inventor： Ning GE ,  Zhengyi ZHOU ,  Peiyao ZHAO ,  Zhaocheng WANG ,  Jianfei CAO

IPC: H04B7/0456 ,  H04B7/06

Abstract: The present disclosure relates to an electronic device and communication method. The electronic device comprising a RF link unit radiating a data stream in form of electromagnetic wave radiation onto a phase shifter; a processing circuitry configured to determine an analog precoding matrix; phase shifters, each of which for performing analog precoding on the received signal of the electromagnetic wave radiation according to the determined analog precoding matrix, and an antenna array, each of antenna elements of which transmits the analog precoded signal, wherein the number of the phase shifters is the same as the number of the antenna elements of the antenna array, and the phase shifters and the antenna elements are in one-to-one correspondence.

公开(公告)号：US20190341984A1

公开(公告)日：2019-11-07

申请号：US16344021

申请日：2018-01-18

Applicant: SONY CORPORATION

Inventor： Xudong ZHU ,  Zhaocheng WANG ,  Jianfei CAO

IPC: H04B7/06 ,  H04W16/28 ,  H01Q9/04

Abstract: The disclosure is related to an electronic device, communication method and medium. The electronic device comprises processing circuitry. The processing circuitry is configured to determine a sub array of a curved surface array antenna associated with the electronic device to serve a target communication apparatus, based on a channel state between the curved surface array antenna and the target communication apparatus.

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：US20190044756A1

公开(公告)日：2019-02-07

申请号：US16075509

申请日：2017-01-16

Applicant: SONY CORPORATION

Inventor： Peiyao ZHAO ,  Zhaocheng WANG ,  Jinhui CHEN

IPC: H04L25/02 ,  H04B7/0456 ,  H04L5/00 ,  H04B17/382 ,  H04L5/14

Abstract: The present invention discloses a wireless communication method and a wireless communication device. An electronic device for a first communication device in a wireless communication system comprises: storage device configured to store an analog codebook for the first communication device, the analog codebook comprising a plurality of sets of first configuration parameters for a set of phase shifters of the first communication device; and a processing circuit configured to: perform channel estimation on a first channel from a second communication device to the first communication device respectively based on the plurality of sets of first configuration parameters and signal transmission from the second communication device, select a set of first configuration parameters corresponding to ones of channel estimation results that satisfy a first predetermined condition to generate a reduced analog sub-codebook, configure signal transmission from the first communication device to the second communication device based on the analog sub-codebook, to perform channel estimation on a second channel from the first communication device to the second communication device.

公开(公告)号：US20180062710A1

公开(公告)日：2018-03-01

申请号：US15556077

申请日：2016-03-21

Applicant: Sony Corporation

Inventor： Chen QIAN ,  Zhaocheng WANG ,  Jinhui CHEN ,  Yuxin WEI

IPC: H04B7/0452 ,  H04L5/00 ,  H04L27/26

CPC classification number: H04B7/0452 ,  H04B7/04 ,  H04B7/0456 ,  H04B7/0617 ,  H04L5/0005 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0051 ,  H04L5/0092 ,  H04L27/2613 ,  H04L27/2671

Abstract: The present disclosure relates to a wireless communication device and a wireless communication method. A wireless communication device according to an embodiment comprises at least one processor. The at least one processor is configured to: generate user-specific reference signals used for assisting in downlink transmission; add identical or related reference signals into two or more data streams to be transmitted; and precode the two or more data streams into which the identical or related reference signals are added, so as to generate a downlink data signal.

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.