公开(公告)号：US20200021390A1

公开(公告)日：2020-01-16

申请号：US16579846

申请日：2019-09-24

Applicant: Sony Corporation

Inventor： Martin Warwick BEALE ,  Shin Horng WONG ,  Yuxin WEI

IPC: H04L1/00 ,  H04W28/02 ,  H04W24/10

Abstract: A terminal device for use in a wireless telecommunications system includes: a transceiver operable to perform wireless communication with one or more other terminal devices according to the wireless communications system and to receive speed information from the one or more other terminal devices indicative of a physical speed of the one or more other terminal devices; and a controller configured to select a transmission format, for use in wireless communication by the transceiver, in dependence upon the speed information received from the one or more other terminal devices.

公开(公告)号：US20190342924A1

公开(公告)日：2019-11-07

申请号：US16515048

申请日：2019-07-18

Applicant: Sony Corporation

Inventor： Yuxin WEI

IPC: H04W74/08 ,  H04W72/04 ,  H04L5/00 ,  H04W48/08

Abstract: A communication system for supporting carrier aggregation and a method and apparatus for updating system information thereof are disclosed. A method for providing system information in the communication system supporting carrier aggregation includes: when system information of said communication system changes, generating first information including information for indicating the change of system information determining a first cell of a terminal related to the change of system information, wherein said first cell is one of cells to which said terminal connects, and corresponds to a carrier unit currently used by said terminal for keeping connection with a base station of said communication system; and transmitting said first information to said terminal through said first cell.

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：US20190274031A1

公开(公告)日：2019-09-05

申请号：US16351550

申请日：2019-03-13

Applicant: Sony Corporation

Inventor： Yuxin WEI

IPC: H04W8/24 ,  H04L1/08 ,  H04L1/04 ,  H04W74/08 ,  H04W76/14 ,  H04B1/713 ,  H04W72/12

Abstract: An apparatus and method in a wireless communication system. The apparatus includes circuitry configured to: generate configuration information about a user equipment including retransmission time related information and used for performing device-to-device communication, wherein the re-transmission time related information represents information related to retransmission times of signal transmission with a user equipment performing device-to-device communication; and to transmit the generated configuration information to the user equipment performing device-to-device communication. A signal in device-to-device communication can be ensured to be accurately and completely transmitted between various communication devices participating in the communication, and thus the transmission performance of information is improved.

公开(公告)号：US20190215759A1

公开(公告)日：2019-07-11

申请号：US16312580

申请日：2017-05-09

Applicant: Sony Corporation

Inventor： Yuxin WEI ,  Brian Alexander MARTIN ,  Hideji WAKABAYASHI ,  Shinichiro TSUDA ,  Chrysovalantis KOSTA

IPC: H04W48/10 ,  H04W74/00 ,  H04W74/08 ,  H04W72/04

CPC classification number: H04W48/10 ,  H04W72/048 ,  H04W74/00 ,  H04W74/004 ,  H04W74/008 ,  H04W74/0833 ,  H04W88/04

Abstract: A communications device acting as a relay device including a controller configured in combination with a transmitter and a receiver to receive from a remote communications device a first random access preamble message, the first random access preamble message comprising an identifier of the remote communications device, to transmit, in response to the first random access preamble message, a random access response message to the remote communications device, the random access response message comprising an indication of communications resources allocated to the remote communications device, to receive, from the remote communications device and using the communications resources indicated in the random access response message, a scheduled transmission comprising a connection request message and a first contention resolution identifier, and to transmit to the remote communications device a second contention resolution identifier.

公开(公告)号：US20190182861A1

公开(公告)日：2019-06-13

申请号：US16280273

申请日：2019-02-20

Applicant: Sony Corporation

Inventor： Yuxin WEI

IPC: H04W74/00 ,  H04W76/14 ,  H04L5/00 ,  H04L1/18 ,  H04L1/00 ,  H04L27/26 ,  H04W74/04 ,  H04W52/18 ,  H04L1/16

Abstract: A user equipment, base station, and method for conducting device-to-device communications. A wireless communication system includes the user equipment and another user equipment. The user equipment includes: a control unit; and a transmission unit controlled by the control unit and used for transmitting control information to another user equipment by an uplink channel, wherein the control information includes at least one of data transmission format information and power control information. With the user equipment, base station, and method, the efficiency of communication between devices conducting device-to-device communications can be increased, thereby improving data transmission performance.

公开(公告)号：US20190182732A1

公开(公告)日：2019-06-13

申请号：US16323784

申请日：2017-07-19

Applicant: Sony Corporation ,  Sony Mobile Communications Inc.

Inventor： Yuxin WEI ,  Brian Alexander MARTIN ,  Anders BERGGREN ,  Lars NORD

IPC: H04W36/08 ,  H04W36/00 ,  H04W76/30 ,  H04W24/10 ,  H04W76/27 ,  H04W74/08

Abstract: A wireless telecommunications system including a terminal device; first infrastructure equipment operable to communicate with the terminal device using a first radio access technology (RAT) and second infrastructure equipment operable to communicate with the terminal device using a second RAT. During a handover procedure for handover from the first infrastructure equipment as a source master infrastructure equipment to a third infrastructure equipment as a target master infrastructure equipment, the second infrastructure equipment is operable to communicate with the third infrastructure equipment using an interface associated with the second RAT so as to allow information necessary for completing the handover to be exchanged between the first infrastructure equipment and the third infrastructure equipment via the second infrastructure equipment.

公开(公告)号：US20190159283A1

公开(公告)日：2019-05-23

申请号：US16252839

申请日：2019-01-21

Applicant: Sony Corporation

Inventor： Yuxin WEI

IPC: H04W76/38 ,  H04W72/04 ,  H04L5/00 ,  H04W52/02 ,  H04W76/28 ,  H04W74/08

CPC classification number: H04W76/38 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/003 ,  H04L5/0055 ,  H04W52/0209 ,  H04W52/0212 ,  H04W52/0219 ,  H04W72/042 ,  H04W72/0453 ,  H04W72/0473 ,  H04W74/0833 ,  H04W76/28 ,  H04W88/02 ,  H04W88/08 ,  Y02D70/00 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/24

Abstract: A discontinuous reception method in a wireless communication system, including: determining to employ a consecutive carrier aggregation or a non-consecutive carrier aggregation; in case of the consecutive carrier aggregation, for a primary cell and each of the secondary cells, setting a common on-duration timer and/or a common discontinuous reception inactivity timer; and in case of the non-consecutive carrier aggregation, for a primary cell and each of the secondary cells, setting separate on-duration timers and/or separate discontinuous reception inactivity timers.

公开(公告)号：US20180359805A1

公开(公告)日：2018-12-13

申请号：US15781492

申请日：2016-12-12

Applicant: SONY CORPORATION

Inventor： Shinichiro TSUDA ,  Yuxin WEI ,  Hideji WAKABAYASHI

IPC: H04W76/38 ,  H04W76/27 ,  H04W36/30 ,  H04W24/10 ,  H04W76/28 ,  H04W88/04 ,  H04W28/02

CPC classification number: H04W76/38 ,  H04W24/10 ,  H04W28/0278 ,  H04W36/30 ,  H04W76/19 ,  H04W76/27 ,  H04W76/28 ,  H04W88/04

Abstract: method is for use in a mobile telecommunications network that comprises a base station providing wireless connectivity within a base station cell, a mobile node providing wireless connectivity within a local cell and configured to communicate wirelessly with the base station, and a terminal configured to communicate wirelessly with the base station and configured to communicate wirelessly with the mobile node; and the method comprises: activating a limited local radio connection between the terminal and the mobile node; starting a first timer of fixed duration when or after the limited local radio connection is activated; and when the first timer has expired, activating a limited base station radio connection between the terminal and the base station and terminating the limited local radio connection between the terminal and the mobile node.

公开(公告)号：US20170367056A1

公开(公告)日：2017-12-21

申请号：US15532183

申请日：2015-11-30

Applicant: SONY CORPORATION

Inventor： Yuxin WEI

IPC: H04W52/38 ,  H04W52/24 ,  H04W24/10 ,  H04W52/36 ,  H04W52/32 ,  H04W24/02

CPC classification number: H04W52/383 ,  H04W24/02 ,  H04W24/10 ,  H04W52/242 ,  H04W52/243 ,  H04W52/325 ,  H04W52/365

Abstract: An electronic device in a wireless communication system, and a wireless communication method. The electronic device at a user equipment side, performs a device-to-device (D2D) communication with a target user equipment, and the electronic device includes: processing circuitry configured to acquire information on a first power parameter from a base station device, the first power parameter indicates a D2D nominal power for the electronic device to perform D2D communication, the D2D nominal power different from a cellular nominal power for the electronic device to perform a cellular communication with the base station device; and determine, irrelevant to a path loss between the electronic device and the target user equipment, based on the first power parameter, a D2D transmission power for performing the D2D communication between the electronic device and the target user equipment.