公开(公告)号：US20180109987A1

公开(公告)日：2018-04-19

申请号：US15536402

申请日：2015-12-22

Applicant: SONY CORPORATION

Inventor： Xiaodong XU ,  Xi KE ,  Mingyang LI ,  Yang LIU ,  Yateng HONG ,  Ya LIU

IPC: H04W36/38 ,  H04W36/20 ,  H04W36/30 ,  H04W16/14

CPC classification number: H04W36/385 ,  H04W16/14 ,  H04W24/10 ,  H04W36/04 ,  H04W36/20 ,  H04W36/30 ,  H04W84/045

Abstract: A management apparatus, a measurement apparatus, a management method, a measurement method, and a digital device. The management apparatus at a user equipment side of a wireless communication system includes: a measurement unit, configured to perform wireless resource management measurement on reference signals of a target cell; an interference determination unit, configured to determine whether the interference of the measurement result meets a preset condition, and marking the measurement result with the interference meeting the preset condition as a high interference measurement result; a filtering unit, configured to perform layer-3 filtering on the measurement result; and a mobility management unit, configured to perform mobility management on the user equipment according to the high interference measurement result. Reliable and accurate measurement of reference signals in a small cell scenario is realized.

公开(公告)号：US20190342705A1

公开(公告)日：2019-11-07

申请号：US16416273

申请日：2019-05-20

Applicant: Sony Corporation

Inventor： Hui TIAN ,  Yang LIU ,  Xi KE ,  Mingyang LI ,  Xinchen LU ,  Yi ZHANG

IPC: H04W4/02 ,  H04W64/00 ,  H04L5/00 ,  H04W8/00

Abstract: The present disclosure relates to an electronic device in a wireless communication system and a wireless communication method. The electronic device comprises: one or more processing circuits, wherein the processing circuits are configured to execute the following operations: acquiring an on/off state of a small cell base station in a pre-determined geographical area; and on the basis of the acquired on/off state of the small cell base station, generating reconfiguration information about a positioning reference signal (PRS) used for the small cell base station in the pre-determined geographical area, so as to position user equipment in the pre-determined geographical area. By using the electronic device and the wireless communication method in the present disclosure, an existing PRS signal can be reconfigured, so as to improve the positioning accuracy, and achieve the purpose of accelerating the positioning process.

公开(公告)号：US20180159641A1

公开(公告)日：2018-06-07

申请号：US15568565

申请日：2016-04-27

Applicant: SONY CORPORATION

Inventor： Xiaodong XU ,  Mingyang LI ,  Yang LIU ,  Xi KE ,  Yi ZHANG ,  Xinchen LV

IPC: H04B17/27 ,  H04W64/00

CPC classification number: H04B17/27 ,  H04W4/12 ,  H04W64/00 ,  H04W84/045

Abstract: An electron device and a wireless communication method in a wireless communication system. The electron device includes one or more processing circuits configured to execute: determining positioning measurement assistant data for a user device, the assistant data including configuration information of an enhanced Discovery Reference Signal (eDRS) sent from at least one sleeping small cell base station; executing positioning measurement on the eDRS sent from at least one sleeping small cell base station on the basis of the assistant data; and generating positioning information on the basis of the result of positioning measurement on the eDRS sent from at least one sleeping small cell base station, so as to position the user device, the eDRS having greater transmitting power than a Discovery Reference Signal DRS.

公开(公告)号：US20190223112A1

公开(公告)日：2019-07-18

申请号：US16361244

申请日：2019-03-22

Applicant: SONY CORPORATION

Inventor： Hui TIAN ,  Qimei CUI ,  Meng WANG ,  Zhilin LI ,  Yang LIU

IPC: H04W52/26 ,  H04W72/04 ,  H04W52/24

CPC classification number: H04W52/265 ,  H04W52/24 ,  H04W52/241 ,  H04W52/244 ,  H04W72/044

Abstract: A wireless communication device, a wireless communication method and a wireless communication system. The wireless communication device includes: a classification unit, used for, based on the channel qualities of downlinks of a target cell and other cells in a cell cluster on a specific resource block, classifying the overall condition of the channel quality; and a control unit, used for controlling, so as to determine the target transmitting power of the target cell on the specific resource block by using a power distribution method adapting to the classification. According to the scheme, the system throughput of a wireless network on the specific resource block under dense cell distribution can be maximized.