公开(公告)号：US10659969B2

公开(公告)日：2020-05-19

申请号：US16358720

申请日：2019-03-20

Applicant: Sony Corporation

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

IPC: H04W16/14 ,  H04W16/16 ,  H04W72/08 ,  H04W16/32

Abstract: A base station control method for a wireless communication system, a base station control apparatus, a wireless communication system and an electronic device. The wireless communication system includes a small cell. The base station control apparatus includes an upper limit determination unit and a frequency band control unit; wherein the upper limit determination unit is configured to determine the upper limit of the estimated number of small cells using unlicensed frequency bands in a target region according to available unlicensed frequency band resources and estimated service volume in the target region; and the frequency band control unit is configured to control one or more small cells to use or stop using the unlicensed frequency bands according to the upper limit of the estimated number, so that the number of small cells operating at the unlicensed frequency bands is not greater than the upper limit of the estimated number.

公开(公告)号：US10536197B2

公开(公告)日：2020-01-14

申请号：US15936873

申请日：2018-03-27

Applicant: SONY CORPORATION

Inventor： Jinhui Chen ,  Chen Sun ,  Xin Guo

IPC: H04B7/0413 ,  H04W72/04 ,  H04B7/04 ,  H04W72/08

Abstract: A device and method for managing spectrum resources and a wireless communication device and method are provided. The method for managing spectrum resources of a wireless communication system according to the disclosure includes: acquiring resource utilization parameter information of a communication device to be managed, the resource utilization parameter information including the number of antennas; and determining spectrum resource allocation to the communication device based on the resource utilization parameter information. The method for managing spectrum resources enriches contents of signaling interaction between a communication device and a device for managing spectrum resources in a wireless communication system, thereby making it possible to sufficiently utilize a possible spatial freedom degree of a communication device in a multi-antenna system, and to efficiently reduce interference between communication devices or communication systems.

公开(公告)号：US10356672B2

公开(公告)日：2019-07-16

申请号：US15544927

申请日：2016-01-25

Applicant: Xin Guo ,  Yuxin Wei ,  Jinhui Chen ,  Chen Sun ,  SONY CORPORATION

Inventor： Xin Guo ,  Yuxin Wei ,  Jinhui Chen ,  Chen Sun

IPC: H04W4/00 ,  H04W36/00 ,  H04W24/00 ,  H04B17/309 ,  H04W76/23 ,  H04W4/02 ,  H04W36/24

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 pre-measurement 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：US10340999B2

公开(公告)日：2019-07-02

申请号：US15545127

申请日：2016-01-27

Applicant: Sony Corporation

Inventor： Jinhui Chen ,  Xin Guo ,  Yuxin Wei ,  Chen Sun

IPC: H04W24/08 ,  H04B7/06 ,  H04L1/00 ,  H04L5/00 ,  H04L25/02 ,  H04B7/0456 ,  H04B7/0452 ,  H04W72/12

Abstract: A wireless communication device and a wireless communication method. The wireless communication device includes one or more processors. The processor is configured to estimate an equivalent channel from a base station to user equipment based on a user equipment specific reference signal from the base station, and generate, according to the estimated equivalent channel, a channel state indication used to be fed back to the base station.

公开(公告)号：US10149223B2

公开(公告)日：2018-12-04

申请号：US14649143

申请日：2013-11-13

Applicant: SONY CORPORATION

Inventor： Xin Guo

IPC: H04W36/32 ,  H04W72/04 ,  H04W4/029 ,  H04W52/02

Abstract: A mobile management handover system includes circuitry that determines available resources of candidate target handover cells of a user device. The circuitry then select a target handover cell from the candidate target handover cells based on at least one of the available resources of each of the candidate target handover cells and a residency duration of the user device within the candidate target handover cells, and requests reservation of the available resources by the target handover cell.

公开(公告)号：US09998308B2

公开(公告)日：2018-06-12

申请号：US15469698

申请日：2017-03-27

Applicant: SONY CORPORATION ,  Tsinghua University

Inventor： Yu Rao ,  Wei Chen ,  Zhigang Cao ,  Xin Guo ,  Ryo Sawai ,  Ryota Kimura

IPC: H04L27/00 ,  H04W24/10 ,  H04W52/14 ,  H04L5/14 ,  H04W16/14

CPC classification number: H04W24/02 ,  H04L5/14 ,  H04L5/1469 ,  H04L27/0006 ,  H04L27/0012 ,  H04W16/14 ,  H04W24/10 ,  H04W52/14

Abstract: The disclosure provides an electronic device, a method and computer-readable medium. The electronic device includes a circuitry. The circuitry is configured to receive a radio communication signal for another device. The circuitry is also configured to determine, based on the radio communication signal, one or more features that can reflect the difference between uplink transmission mode and downlink transmission mode. The circuitry is further configured to judge whether the radio communication signal is for uplink transmission or downlink transmission according to the feature(s).

公开(公告)号：US09973244B2

公开(公告)日：2018-05-15

申请号：US14935660

申请日：2015-11-09

Applicant: Sony Corporation

Inventor： Jinhui Chen ,  Chen Sun ,  Xin Guo

IPC: H04B7/0413 ,  H04W72/04 ,  H04B7/04 ,  H04W72/08

CPC classification number: H04B7/0413 ,  H04B7/04 ,  H04W72/048 ,  H04W72/082 ,  H04W72/085

Abstract: A device and method for managing spectrum resources and a wireless communication device and method are provided. The method for managing spectrum resources of a wireless communication system according to the disclosure includes: acquiring resource utilization parameter information of a communication device to be managed, the resource utilization parameter information including the number of antennas; and determining spectrum resource allocation to the communication device based on the resource utilization parameter information. The method for managing spectrum resources enriches contents of signaling interaction between a communication device and a device for managing spectrum resources in a wireless communication system, thereby making it possible to sufficiently utilize a possible spatial freedom degree of a communication device in a multi-antenna system, and to efficiently reduce interference between communication devices or communication systems.

公开(公告)号：US09894179B2

公开(公告)日：2018-02-13

申请号：US14558000

申请日：2014-12-02

Applicant: SONY CORPORATION

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

IPC: G06F15/177 ,  H04L29/08 ,  H04W76/02 ,  H04W28/08 ,  H04L12/803

CPC classification number: H04L67/32 ,  H04L47/125 ,  H04L67/10 ,  H04W28/08 ,  H04W76/14 ,  H04W76/15

Abstract: The invention discloses an electronic device and a method and device for implementing coordinated transmission between electronic devices. The electronic device comprises a coordination establishment module configured to send a coordination request signal to candidate coordination devices as well as determine coordination devices in accordance with a response of the candidate coordination device and establish coordination connection with the determined coordination device, and a data transmission module configured to transmit target data by a plurality of communication links, the plurality of communication links comprising communication links between the electronic device and the coordination device. The present invention can establish the coordination connection reasonably by initiating the coordination through the request and transmitting the data through the plurality of communication links by the coordination device, thereby effectively improving the data transmission speed through the plurality of the communication links.

公开(公告)号：US20170118763A1

公开(公告)日：2017-04-27

申请号：US15400474

申请日：2017-01-06

Applicant: Sony Corporation

Inventor： Youping ZHAO ,  Yiqi Hu ,  Chen Sun ,  Xin Guo

IPC: H04W72/08 ,  H04W48/20 ,  H04W76/02 ,  H04W4/02

CPC classification number: H04W72/082 ,  H04W4/025 ,  H04W16/14 ,  H04W48/20 ,  H04W64/003 ,  H04W76/10

Abstract: The present disclosure provides a radio resource management system and method. The radio resource management system includes a control device for determining, based on geographical location information of at least one secondary system and at least one primary system managed by the radio resource management system, a radio resource available to the at least one secondary system among licensed radio resources of the at least one primary system when the primary system is not interfered with, the control device including a selection unit for selecting at least one object liable to be interfered with by the secondary system managed by another radio resource management system from the at least one primary system, from the at least one secondary system, or from the at least one primary system and the at least one secondary system based on the geographical location information; and a communication device for transmitting the geographical location information of the at least one object selected by the selection unit to the another radio resource management system. The present disclosure can reduce an information interaction between radio resource management systems.

公开(公告)号：US20160337882A1

公开(公告)日：2016-11-17

申请号：US15219765

申请日：2016-07-26

Applicant: SONY CORPORATION ,  Tsinghua University

Inventor： Yu RAO ,  Wei Chen ,  Zhigang Cao ,  Xin Guo ,  Ryo Sawai ,  Ryota Kimura

IPC: H04W24/02 ,  H04W16/14 ,  H04L5/14

CPC classification number: H04W24/02 ,  H04L5/14 ,  H04L5/1469 ,  H04L27/0006 ,  H04L27/0012 ,  H04W16/14 ,  H04W24/10 ,  H04W52/14

Abstract: The disclosure provides an electronic device, a method and computer-readable medium. The electronic device includes a circuitry. The circuitry is configured to receive a radio communication signal for another device. The circuitry is also configured to determine, based on the radio communication signal, one or more features that can reflect the difference between uplink transmission mode and downlink transmission mode. The circuitry is further configured to judge whether the radio communication signal is for uplink transmission or downlink transmission according to the feature(s).

Abstract translation: 本公开提供了电子设备，方法和计算机可读介质。 电子设备包括电路。 电路被配置为接收另一设备的无线电通信信号。 电路还被配置为基于无线电通信信号来确定可以反映上行链路传输模式和下行链路传输模式之间的差异的一个或多个特征。 电路还被配置为根据特征来判断无线电通信信号是否用于上行链路传输或下行链路传输。