公开(公告)号：US10177880B2

公开(公告)日：2019-01-08

申请号：US15743312

申请日：2016-08-12

Applicant: SONY CORPORATION

Inventor： Jinhui Chen ,  Xin Guo ,  Chen Sun

IPC: H04L1/18 ,  H04W52/34

Abstract: Disclosed is a device and a method in a wireless communication system, and the device comprises: a transmitting unit configured to transmit a first allocation signal synthesized by use of the superimposed coding to plenty of user equipment at least comprising a first and a second user equipment, and the first allocation signal at least comprising a first power signal part for the first user equipment and a second power signal part for the second user equipment; a receiving unit configured to receive at least a feedback retransmission request from the first and the second user equipment; and a processing unit configured to process the first and the second power signal parts with a preset processing coefficient to obtain a second allocation signal in response to the retransmission request, and the transmitting unit is further configured to transmit the second allocation signal to the first and the second user equipment which merge the first and the second allocation signals in order to separately obtain the data for the first and the second user equipment.

公开(公告)号：US20180332527A1

公开(公告)日：2018-11-15

申请号：US16041376

申请日：2018-07-20

Applicant: Sony Corporation

Inventor： Chen Sun ,  Jinhui Chen

IPC: H04W48/16 ,  H04W24/02 ,  H04W64/00

Abstract: A device and a method for allocating physical cell identifier (PCI) of a mobile base station. The device includes: an acquiring unit, configured to acquire a location and a movement speed of a mobile base station; a determining unit, configured to determine a valid time interval of a PCI of the mobile base station based on at least one of the location and the movement speed; an information collection unit, configured to collect, in the valid time interval, network configuration related information within a preset range of the location of the mobile base station; and a PCI determining unit, configured to determine a PCI for the mobile base station based on the network configuration related information within the preset range of the location of the mobile base station.

公开(公告)号：US20180279329A1

公开(公告)日：2018-09-27

申请号：US15986062

申请日：2018-05-22

Applicant: SONY CORPORATION

Inventor： Jinhui Chen ,  Chen Sun ,  Xin Guo

IPC: H04W72/12 ,  H04B7/06 ,  H04B7/0413 ,  H04B7/0452

CPC classification number: H04W72/12 ,  H04B7/0413 ,  H04B7/0452 ,  H04B7/0626

Abstract: A device and method for use in a MIMO wireless communication system are provided. The device used in the MIMO wireless communication system includes a matching unit configured to determine a matching degree of channel estimation information of a communication device to be scheduled with one or more reference vectors included in a reference vector group, where the reference vector group depends on an antenna array configuration of the MIMO wireless communication system; and a channel characteristic determining unit configured to determine correlation information of the one or more reference vectors with the matching degree satisfying a predetermined condition as one or more parameters reflecting channel characteristic(s) associated with the communication device. By applying the device and method according to the disclosure, it is possible to avoid interference among strong-space-correlated users, and thereby improve the efficiency of processing such as scheduling, noise reduction and so on.

公开(公告)号：US20180262918A1

公开(公告)日：2018-09-13

申请号：US15841417

申请日：2017-12-14

Applicant: Sony Corporation

Inventor： Youping Zhao ,  Dongzhi Zhu ,  Chen Sun ,  Xin Guo

IPC: H04W16/28

CPC classification number: H04W16/28 ,  H04B7/0482 ,  H04B7/0617 ,  H04B7/0695 ,  H04W4/026

Abstract: An electronic apparatus and a method in a wireless communication system are disclosed. The electronic apparatus comprises processing circuitry configured to train a beam adjustment model for adaptive beamforming with training data, so that the beam adjustment model outputs, for any movement path of a user equipment, beam information which enables a beam adjustment time interval meeting a performance requirement of the user equipment to be optimized. According to embodiments of the disclosure, the beam adjustment model is trained by taking the beam adjustment time interval as an optimization target, and adaptive beamforming is performed using the trained beam adjustment model, so that it is possible to significantly reduce system overhead and measurement and processing overhead for beam adjustment, while ensuring communication performance of the user equipment.

公开(公告)号：US10057842B2

公开(公告)日：2018-08-21

申请号：US15524924

申请日：2015-10-23

Applicant: SONY CORPORATION

Inventor： Chen Sun ,  Jinhui Chen

IPC: H04W48/16 ,  H04W64/00 ,  H04W84/18

CPC classification number: H04W48/16 ,  H04W24/02 ,  H04W64/003 ,  H04W84/18

Abstract: A device and a method for allocating physical cell identifier (PCI) of a mobile base station. The device includes: an acquiring unit, configured to acquire a location and a movement speed of a mobile base station; a determining unit, configured to determine a valid time interval of a PCI of the mobile base station based on at least one of the location and the movement speed; an information collection unit, configured to collect, in the valid time interval, network configuration related information within a preset range of the location of the mobile base station; and a PCI determining unit, configured to determine a PCI for the mobile base station based on the network configuration related information within the preset range of the location of the mobile base station.

公开(公告)号：US10028292B2

公开(公告)日：2018-07-17

申请号：US14987889

申请日：2016-01-05

Applicant: Sony Corporation

Inventor： Jinhui Chen ,  Chen Sun ,  Xin Guo

IPC: H04W4/00 ,  H04W72/12 ,  H04B7/0413 ,  H04B7/0452 ,  H04B7/06

Abstract: A device and method for use in a Multi-Input Multi-Output MIMO wireless communication system are provided. The device used in the MIMO wireless communication system comprises: a matching unit configured to determine a matching degree of channel estimation information of a communication device to be scheduled with one or more reference vectors included in a reference vector group, wherein the reference vector group depends on an antenna array configuration of the MIMO wireless communication system; and a channel characteristic determining unit configured to determine correlation information of the one or more reference vectors with the matching degree satisfying a predetermined condition as one or more parameters reflecting channel characteristic(s) associated with the communication device. By applying the device used in the MIMO wireless communication system and wireless communication method according to the disclosure, it is possible to avoid interference among strong-space-correlated users, and thereby improve the efficiency of processing such as scheduling, noise reduction and so on.

公开(公告)号：US09961557B2

公开(公告)日：2018-05-01

申请号：US15305283

申请日：2015-05-27

Applicant: SONY CORPORATION

Inventor： Chen Sun ,  Xin Guo

IPC: H04W72/00 ,  H04W16/10 ,  H04W16/14 ,  H04W72/04

CPC classification number: H04W16/10 ,  H04W16/14 ,  H04W72/044

Abstract: A spectrum resource management device: determines available spectrum resources of a target communication system, so that aggregation interference caused by the target communication system and a communication system with a low right against a communication system with a high right in a management area does not exceed an interference threshold of the communication system with a high right; reduces available spectrum resources of the communication system with a low right, so that the interference caused by the communication system with a low right against the target communication system does not exceed an interference threshold of the target communication system; and updates the available spectrum resources of the target communication system according to the reduced available spectrum resources of the communication system with a low right, so that the aggregation interference does not exceed the interference threshold of the communication system with a high right.

公开(公告)号：US09942859B2

公开(公告)日：2018-04-10

申请号：US15615017

申请日：2017-06-06

Applicant: SONY CORPORATION

Inventor： Zhongbin Qin ,  Yuxin Wei ,  Chen Sun ,  Xin Guo

IPC: H04W52/28 ,  H04L5/00 ,  H04W52/34 ,  H04W72/04 ,  H04W52/36 ,  H04W52/14 ,  H04W74/08 ,  H04W84/10 ,  H04W88/02

CPC classification number: H04W52/28 ,  H04L5/0041 ,  H04W52/146 ,  H04W52/281 ,  H04W52/346 ,  H04W52/367 ,  H04W72/0413 ,  H04W74/0833 ,  H04W84/105 ,  H04W88/02

Abstract: A wireless communications system and a method for performing wireless communication in a wireless communications system. The wireless communications system includes: a first base station node; a second base station node; and a wireless communications apparatus, performing communication with the first base station node and the second base station node. The first base station node and the second base station node perform scheduling coordination, to reduce a probability that the wireless communications apparatus sends an uplink signal to the first base station node and the second base station node simultaneously. The system and method can reduce a probability that a wireless communications apparatus sends an uplink signal to a first base station node and a second base station node simultaneously, thereby effectively ensuring uplink/downlink transmission performance.

公开(公告)号：US09894529B2

公开(公告)日：2018-02-13

申请号：US15217259

申请日：2016-07-22

Applicant: Sony Corporation

Inventor： Chen Sun ,  Bingshan Hu

IPC: H04W40/00 ,  H04W16/10 ,  H04W16/14 ,  H04W48/08 ,  H04W24/08 ,  H04L12/26 ,  H04W52/24 ,  H04W74/08

CPC classification number: H04W16/10 ,  H04L43/16 ,  H04W16/14 ,  H04W24/08 ,  H04W48/08 ,  H04W52/24 ,  H04W74/0808

Abstract: The present disclosure provides a spectrum management apparatus and method, as well as an apparatus and method for base station side and user device side of a wireless communication system. The spectrum management apparatus includes: an acquiring unit, configured to acquire spectrum utilization information of at least one wireless communication system on a predetermined frequency band; a determining unit, configured to determine, according to the spectrum utilization information, spectrum utilization efficiency of a corresponding wireless communication system; and an adjusting unit, configured to adjust, based on the spectrum utilization efficiency, spectrum sensing parameters of the corresponding wireless communication system on the predetermined frequency band.

公开(公告)号：US09860829B2

公开(公告)日：2018-01-02

申请号：US14978295

申请日：2015-12-22

Applicant: Sony Corporation

Inventor： Yanzhao Hou ,  Qimei Cui ,  Hui Liang ,  Qinyan Jiang ,  Tong Zhang ,  Xin Guo ,  Jinhui Chen ,  Chen Sun

IPC: H04W48/16 ,  H04W28/12 ,  H04L5/00 ,  H04W24/00 ,  H04W48/20 ,  H04W72/02

CPC classification number: H04W48/16 ,  H04L5/00 ,  H04L5/0073 ,  H04L5/0091 ,  H04W24/00 ,  H04W28/12 ,  H04W48/20 ,  H04W72/02

Abstract: The present disclosure provides a management apparatus and a method for wireless communication as well as an apparatus and a method for wireless communication. The management apparatus includes: a determining module, configured to select a communication unit satisfying a predetermined condition from among a communication unit cluster managed by the management apparatus, and determine interference information or load information of at least part of resource blocks corresponding to the communication unit.