公开(公告)号：US20210143877A1

公开(公告)日：2021-05-13

申请号：US17152805

申请日：2021-01-20

Applicant: Sony Corporation

Inventor： Jin XU ,  Cheng GAO ,  Siqi LIU ,  Chaonan HE ,  Jianfei CAO

IPC: H04B7/0456 ,  H04B7/04 ,  H04B7/06 ,  H04W24/08

Abstract: 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.

公开(公告)号：US20190245595A1

公开(公告)日：2019-08-08

申请号：US16314661

申请日：2017-07-21

Applicant: Sony Corporation

Inventor： Jin XU ,  Cheng GAO ,  Siqi LIU ,  Chaonan HE ,  Jianfei CAO

IPC: H04B7/0456 ,  H04W24/08

CPC classification number: H04B7/0456 ,  H04B7/04 ,  H04B7/0478 ,  H04B7/063 ,  H04B7/0639 ,  H04B7/0647 ,  H04B7/065 ,  H04B7/0695 ,  H04W24/08

Abstract: 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.

公开(公告)号：US20180316404A1

公开(公告)日：2018-11-01

申请号：US15770664

申请日：2016-10-31

Applicant: SONY CORPORATION

Inventor： Jin XU ,  Siqi LIU ,  Cheng GAO ,  Bingcheng JIN ,  Jinhui CHEN

IPC: H04B7/06 ,  H04W16/28 ,  H04L5/00 ,  H04W24/02 ,  H04W24/10 ,  H04W72/08

CPC classification number: H04W24/02

Abstract: 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.

公开(公告)号：US20180234278A1

公开(公告)日：2018-08-16

申请号：US15758646

申请日：2016-09-20

Applicant: Jin Xu XU ,  Bingcheng JIN ,  Cheng GAO ,  Siqi LIU ,  Jinhui CHEN ,  SONY CORPORATION

Inventor： Jin XU ,  Bingcheng JIN ,  Cheng GAO ,  Siqi LIU ,  Jinhui CHEN

IPC: H04L27/26 ,  H04L5/00 ,  H04J11/00 ,  H04J13/00

CPC classification number: H04L27/2613 ,  H04J11/00 ,  H04J13/004 ,  H04J2011/0006 ,  H04J2211/005 ,  H04L5/0021 ,  H04L5/0023 ,  H04L5/0026 ,  H04L5/005

Abstract: 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.

公开(公告)号：US20200220599A1

公开(公告)日：2020-07-09

申请号：US16819171

申请日：2020-03-16

Applicant: Sony Corporation

Inventor： Jin XU ,  Siqi LIU ,  Cheng GAO ,  Bingcheng JIN ,  Jinhui CHEN

IPC: H04B7/06 ,  H04W72/08 ,  H04W24/10 ,  H04W16/28 ,  H04L5/00 ,  H04W24/02

Abstract: 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.

公开(公告)号：US20190173555A1

公开(公告)日：2019-06-06

申请号：US16323794

申请日：2017-11-03

Applicant: Sony Corporation

Inventor： Jin XU ,  Chaonan HE ,  Hang YANG ,  Siqi LIU ,  Cheng GAO ,  Jianfei CAO

IPC: H04B7/06 ,  H04L5/00 ,  H04W24/10 ,  H04W88/08 ,  H04L1/16 ,  H04B17/29

Abstract: 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.