公开(公告)号：US20200187253A1

公开(公告)日：2020-06-11

申请号：US16330773

申请日：2018-03-14

Applicant: Sony Corporation

Inventor： Tao CUI ,  Xin GUO ,  Chen SUN

IPC: H04W74/08 ,  H04W74/00 ,  H04W72/00 ,  H04W16/14 ,  H04W72/04 ,  H04W28/26

Abstract: Provided are an electronic device and method for wireless communication, wherein the electronic device comprises: a processing circuit configured as: detecting whether an unlicensed frequency band is idle; and when the unlicensed frequency band is detected idle, determining a transmission resource, to be used, of the unlicensed frequency band.

公开(公告)号：US20190334657A1

公开(公告)日：2019-10-31

申请号：US16474566

申请日：2017-12-26

Applicant: Sony Corporation

Inventor： Zaichen ZHANG ,  Rong ZENG ,  Penshun LU ,  Chen SUN

IPC: H04L1/06 ,  H04B7/0456 ,  H04B7/08

Abstract: The disclosure relates to an electronic device, radio communication apparatus, and radio communication method. In one embodiment, an electronic device utilized at base station side comprises a processing circuit configured to: acquire information of an arrival time difference of diversity signals transmitted from two or more base stations to a mobile terminal; determine, on the basis of the information, a precoding matrix utilized in diversity signal transmission to reduce an impact of the arrival time difference on a diversity gain; and utilize the determined precoding matrix to perform precoding on a signal to be transmitted.

公开(公告)号：US20190297543A1

公开(公告)日：2019-09-26

申请号：US16435589

申请日：2019-06-10

Applicant: Sony Corporation

Inventor： Xin GUO ,  Yuxin WEI ,  Jinhui CHEN ,  Chen SUN

IPC: H04W36/00 ,  H04W24/00

Abstract: An apparatus and a method in a wireless communication system. In the wireless communication system, a master device provides a data forwarding service for one or plural slave devices, a master device side apparatus including: a monitoring unit, configured to monitor a predetermined trigger event relating to a change in state of the master device; a handover pre-measurement control unit, configured to respond to the predetermined trigger event by controlling the handover pre-measurement of the one or plural slave devices; and a handover measurement control unit, configured to control, based on the handover premeasurement results, the handover measurement of the one or plural slave devices. The apparatus and method can accelerate start time of effective link handover in a dynamic network, reduce unnecessary link handover, and reduce delays and data loss caused by link failure.

公开(公告)号：US20190253224A1

公开(公告)日：2019-08-15

申请号：US15771504

申请日：2016-10-27

Applicant: SONY CORPORATION

Inventor： Chen SUN ,  Bingshan HU

IPC: H04L5/00 ,  H04L12/24 ,  H04L12/26 ,  H04B17/318 ,  H04W16/14

CPC classification number: H04L5/0055 ,  H04B17/318 ,  H04L41/06 ,  H04L43/16 ,  H04W16/14 ,  H04W74/08

Abstract: An electronic device and a user equipment in a wireless communication system and a wireless communication method. The electronic device includes: one or more processing circuits configured to acquire NACK information indicating an information transmission failure between a transmitting end and a receiving end in a wireless communication system and to acquire failure cause information indicating a cause of the information transmission failure, wherein the cause of the information transmission failure is classified as a link quality cause or a non-link quality cause; and when the cause of the information transmission failure is determined to be the non-link quality cause, generating spectrum sensing parameter information to adjust a spectrum sensing parameter at the transmitting end to increase a probability of successful information transmission between the transmitting end and the receiving end.

公开(公告)号：US20190053065A1

公开(公告)日：2019-02-14

申请号：US16161340

申请日：2018-10-16

Applicant: SONY CORPORATION

Inventor： Youping ZHAO ,  Chen SUN ,  Jinxing LI ,  Xin GUO ,  Kangyi LIU

IPC: H04W16/14 ,  H04W72/10 ,  H04W72/08 ,  H04W16/10 ,  H04W72/04

CPC classification number: H04W16/14 ,  H04W16/10 ,  H04W72/0433 ,  H04W72/0453 ,  H04W72/048 ,  H04W72/082 ,  H04W72/10

Abstract: A resource management device, a resource management method, and a device and method in a communication system. The resource management device is used for managing opportunistic utilization of frequency spectrum resources of a primary system by a secondary system in the communication system, and includes: a reception unit configured to receive device information and a resource request of a target secondary system device among one or more secondary system devices in the secondary system; an available resource acquisition unit configured to acquire, in response to the resource request, available resource information of the target secondary system device on the basis of the device information of the target secondary system device, wherein the resource information includes indication information related to transmission waveform used for the target secondary system device; and a notification unit configured to notify the target secondary system device of the acquired resource information.

公开(公告)号：US20180076866A1

公开(公告)日：2018-03-15

申请号：US15561662

申请日：2016-11-04

Applicant: Jinhui CHEN ,  Xin GUO ,  Chen SUN ,  SONY CORPORATION

Inventor： Jinhui CHEN ,  Xin GUO ,  Chen SUN

IPC: H04B7/06 ,  H04L25/02 ,  H04B7/0452 ,  H04L1/00

CPC classification number: H04B7/06 ,  H04B7/0413 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0615 ,  H04L1/0009 ,  H04L25/02 ,  H04L25/022 ,  H04L25/0224 ,  H04L27/261 ,  H04L27/3488

Abstract: Aspects of the disclosure include an apparatus at base station side in a wireless communication system for multi-user superposition transmission. The apparatus includes a superposition control unit and an indication generation unit. The superposition control unit is configured to insert, into a data stream of each user equipment in a group of user equipment comprising a plurality of user equipment, a demodulation reference signal corresponding to the data stream, and superpose demodulation reference signals corresponding to data streams of respective user equipment. The indication generation unit is configured to generate, for at least a first user equipment among the plurality of user equipment, an indication regarding a demodulation reference signal corresponding to a data stream of other user equipment among the plurality of user equipment, to assist the first user equipment in demodulating data transmitted in the multi-user superposition transmission

公开(公告)号：US20160088485A1

公开(公告)日：2016-03-24

申请号：US14787694

申请日：2014-05-30

Applicant: SONY CORPORATION

Inventor： Xin GUO ,  Chen SUN

IPC: H04W16/14 ,  H04W28/16

CPC classification number: H04W16/14 ,  H04W28/16

Abstract: A system and method for managing utilization of un-licensed frequency spectrum resources for secondary systems, a system and a method for the system, and a non-transitory computer-readable medium including computer-readable instructions. The system for managing utilization of un-licensed frequency spectrum resources for secondary systems includes: circuitry, configured to assign a first un-licensed frequency spectrum resource in an availability time period to a first secondary system and reassign at least part of the first un-licensed frequency spectrum resource during the availability time period based on current resource utilization, wherein the circuitry is configured to assign and reassign the first un-licensed frequency spectrum resource under protection of a primary system which is licensed with the un-licensed frequency spectrum resources.

Abstract translation: 一种用于管理二次系统的未授权频谱资源的利用的系统和方法，系统和系统的方法，以及包括计算机可读指令的非暂时计算机可读介质。 用于管理用于辅助系统的未授权频谱资源的利用的系统包括：电路，被配置为在可用性时间段内将第一未许可频谱资源分配给第一辅助系统，并且重新分配至少部分第一未授权频谱资源， 基于当前的资源利用率，可用时间段内的授权频谱资源，其中该电路被配置为在被许可的未许可的频谱资源的主系统的保护下分配和重新分配第一个未许可的频谱资源。

公开(公告)号：US20160037508A1

公开(公告)日：2016-02-04

申请号：US14783006

申请日：2014-05-20

Applicant: Chen SUN ,  Sony Corporation

Inventor： Chen SUN

IPC: H04W72/04

CPC classification number: H04W72/048 ,  H04W16/14

Abstract: A system and a method in a wireless communication system. The system, includes: circuitry, configured to obtain state information of one or more secondary systems managed by the system in a management region; determine first radio resources of a primary system available for the secondary systems based on the state information and allow the secondary systems to use the first radio resources; identify a change of the state information; determine second radio resources of the primary system available for the secondary systems based on the change; and request the secondary systems to use the second radio resources if the second radio resources is smaller than the first radio resources.

Abstract translation: 无线通信系统中的系统和方法。 该系统包括：电路，被配置为获得由管理区域中的系统管理的一个或多个次要系统的状态信息; 基于状态信息确定可用于次级系统的主系统的第一无线电资源，并允许辅助系统使用第一无线电资源; 确定国家信息的变化; 基于变化确定可用于次级系统的主系统的第二无线电资源; 并且如果所述第二无线电资源小于所述第一无线电资源，则请求所述辅助系统使用所述第二无线电资源。

公开(公告)号：US20210099986A1

公开(公告)日：2021-04-01

申请号：US17040991

申请日：2019-05-09

Applicant: Sony Corporation

Inventor： Penshun LU ,  Wenbo ZHANG ,  Tao CUI ,  Jianfei CAO ,  Xin GUO ,  Chen SUN

IPC: H04W72/04 ,  H04L5/00 ,  H04W72/00

Abstract: The present disclosure provides an electronic apparatus and method for wireless communication and a computer-readable storage medium. The electronic apparatus comprises: a processing circuit, configured to: determine a signature in a multiple access signature pool to be used for user equipment in which the electronic apparatus is located, wherein the multiple access signature pool is divided into multiple sub-signature pools according to a communication system parameter, and the determined signature belongs to a sub-signature pool corresponding to the communication system parameter used for the user equipment; and using, on the basis of the determined signature, a multiple access time-frequency resource to perform transmission, wherein the multiple access time-frequency resource is shared by a group of user equipment comprising the above user equipment.

公开(公告)号：US20210044984A1

公开(公告)日：2021-02-11

申请号：US16965604

申请日：2019-05-31

Applicant: Sony Corporation

Inventor： Chen SUN ,  Xin GUO

IPC: H04W16/14 ,  H04W72/04

Abstract: The present disclosure relates to a spectrum management device, system and method, and a computer-readable storage medium. The spectrum management device according to the present disclosure includes a processing circuit, configured to: determining a first interference relationship diagram between coexisting groups consisting of one or more sub-systems, wherein the points in the first interference relationship diagram represent the coexisting groups, the line between two points represents that interference exists between two coexisting groups represented by the two points; and allocating a spectrum resource for each of the multiple coexisting groups according to the first interference relationship diagram, so that two coexisting groups represented by two points not connected by a line use a same spectrum resource, and two coexisting groups represented by two points connected by a side use different spectrum resources.