公开(公告)号：US11490423B2

公开(公告)日：2022-11-01

申请号：US16491161

申请日：2018-05-16

Applicant: Sony Corporation

Inventor： Tao Cui

IPC: H04W74/08 ,  H04W16/14 ,  H04W16/28

Abstract: The present application relates to an electronic device in a wireless communication system, and a wireless communication method. The electronic device in a wireless communication system according to the present application comprises: a processing circuit, configured to perform a channel detection process in one or more beam directions of an unlicensed spectrum; and a transceiver circuit, configured to transmit a random access preamble sequence in one or more beam directions in which channels are detected as idle. The electronic device and the wireless communication method of the present application can implement a random access process on an unlicensed spectrum, improve the channel detection efficiency, and reduce the delay caused by the channel detection process.

公开(公告)号：US11438893B2

公开(公告)日：2022-09-06

申请号：US16648240

申请日：2018-11-15

Applicant: Sony Corporation

Inventor： Tao Cui

IPC: H04W72/04 ,  H04W72/12 ,  H04W16/14 ,  H04W24/02

Abstract: An apparatus in a wireless communication system comprises a processing circuit configured to: determine a channel detection mode for an unlicensed frequency band on the basis of at least a wireless communication service type and/or a cell load condition; and generate configuration information comprising a channel detection mode, the configuration information needing to be sent to user equipment so as to indicate the channel detection mode to the user equipment. According to at least one aspect of the embodiments of the present disclosure, a channel detection mode suitable for a current application scenario is configured for a large-bandwidth unlicensed frequency band in a 5G new radio (NR) on the basis of at least a wireless communication service type and/or a cell load condition, which may reduce the workload of a base station and user equipment and increase system working efficiency while improving bandwidth allocation efficiency and resource utilization.

公开(公告)号：US11425710B2

公开(公告)日：2022-08-23

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：US11388772B2

公开(公告)日：2022-07-12

申请号：US16954215

申请日：2019-04-30

Applicant: Sony Corporation ,  Qimei Cui

Inventor： Qimei Cui ,  Bowen Cai ,  Tao Cui ,  Xiaofeng Tao

IPC: H04B7/00 ,  H04W4/00 ,  H04W76/28 ,  H04W16/14 ,  H04W24/04

Abstract: The present invention relates to user equipment, an electronic device, a wireless communication method, and a storage medium. According to the present invention, the user equipment comprises a processing circuit, configured to: detect a physical downlink control channel (PDCCH) on a first bandwidth part of an unlicensed frequency band in a detection time of a discontinuous reception (DRX) period; and detect the PDCCH on a second bandwidth part of the unlicensed frequency band when the PDCCH is not detected on the first bandwidth part. By using the user equipment, the electronic device, the wireless communication method, and the storage medium in the present invention, a DRX mechanism of the user equipment operating on the unlicensed frequency band can be improved.

公开(公告)号：US11277818B2

公开(公告)日：2022-03-15

申请号：US16614383

申请日：2018-06-29

Applicant: Sony Corporation

Inventor： Huiling Zuo ,  Na Li ,  Haowei Wang ,  Tao Cui ,  Yuxuan Xie ,  Song Wang

IPC: H04W72/00 ,  H04W72/04

Abstract: Disclosed are a wireless communication method and a wireless communication device. The wireless communication device comprises a processing circuit, wherein the processing circuit is configured to: detect broadcast information on a specific subchannel in an unlicensed frequency band; and broadcast time information on the specific subchannel when the broadcast information cannot be successfully detected, wherein the time the occupation of the specific subchannel by the wireless communication device ends can be determined according to the time information.

公开(公告)号：US10813025B2

公开(公告)日：2020-10-20

申请号：US16612410

申请日：2018-06-14

Applicant: Sony Corporation

Inventor： Penshun Lu ,  Chen Sun ,  Xin Guo ,  Jianfei Cao ,  Tao Cui

IPC: H04W36/08 ,  H04W36/00 ,  H04W36/38

Abstract: Provided are an electronic device and method used for wireless communication. The electronic device comprises: a processing circuit, configured to: acquire a first candidate list of a first mobile base station, wherein the first candidate list comprises at least some neighbour nodes of the first mobile base station; determine a neighbour node as a second mobile base station from the first candidate list, wherein the second mobile base station is capable of replacing the first mobile base station as a successor base station of the first mobile base station for continuing to provide a service for a current user; and acquiring a second candidate list of the second mobile base station, wherein the second candidate list comprises at least some neighbour nodes of the second mobile base station.

公开(公告)号：US11664944B2

公开(公告)日：2023-05-30

申请号：US17281252

申请日：2019-10-25

Applicant: Sony Corporation

Inventor： Tao Cui ,  Jianfei Cao

IPC: H04L27/26 ,  H04L5/00 ,  H04W56/00

CPC classification number: H04L5/0048 ,  H04L5/0094 ,  H04L5/0098 ,  H04L27/2666 ,  H04W56/00

Abstract: Disclosed are an electronic apparatus, a radio communication method and a computer-readable medium. The electronic apparatus for radio communication according to one embodiment comprises a processing circuit. The processing circuit is configured to: determine a time length of a sending window of a discovery reference signal based on a target number of candidate positions of a synchronous signal block of the discovery reference signal and a subcarrier spacing; and control the sending of the discovery reference signal based on the determined time length.

公开(公告)号：US11546778B2

公开(公告)日：2023-01-03

申请号：US17257016

申请日：2019-07-24

Applicant: Sony Corporation

Inventor： Qimei Cui ,  Bowen Cai ,  Tao Cui ,  Xiaofeng Tao

IPC: H04W16/14 ,  H04W74/00

Abstract: The present disclosure provides an electronic device and a method for wireless communication and a computer-readable storage medium. An electronic device comprising: a processing circuit configured to: generate, where a user equipment accesses an unauthorized frequency band successfully, an indication representing whether sharing a channel occupancy time of the user equipment with other user equipment is permitted; and send the indication to a base station or the other user equipment.

公开(公告)号：US11425731B2

公开(公告)日：2022-08-23

申请号：US16962524

申请日：2019-05-14

Applicant: Sony Corporation

Inventor： Qimei Cui ,  Jing Liu ,  Tao Cui ,  Xiaofeng Tao

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

Abstract: An electronic device, a wireless communication method, and a computer readable medium, where the electronic device for wireless communication includes a processing circuit. The processing circuit is configured to select resource blocks to be used for automatic uplink transmission from amongst a pre-assigned plurality of resource blocks on an unlicensed band, and implement control to use the selected resource blocks for implementing automatic uplink transmission.

公开(公告)号：US11425574B2

公开(公告)日：2022-08-23

申请号：US16963505

申请日：2019-05-10

Applicant: Sony Corporation

Inventor： Song Wang ,  Qimei Cui ,  Tao Cui ,  Yuxuan Xie ,  Huiling Zuo

IPC: H04L5/00 ,  H04W16/14 ,  H04W72/04 ,  H04B7/0413 ,  H04W4/06 ,  H04W48/16

Abstract: Provided are an electronic device and a method for wireless communication, and a computer readable storage medium, the electronic device comprising: a processing circuit, configured to: perform periodic channel detection for a plurality of unlicenced channels in an unlicenced band according to a first period; and respectively send master system information blocks MIB having the same content to user devices over at least some of the available unlicensed channels in the unlicensed band indicated by the channel detection results, the MIBs comprising part of the minimum system information.