公开(公告)号：US10667084B2

公开(公告)日：2020-05-26

申请号：US15854552

申请日：2017-12-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Dengkun Xiao ,  Jie Cui ,  Yuan He ,  Jiangbo Zhu

IPC: H04W4/02 ,  G01S5/02 ,  G01S5/12 ,  G01S5/14 ,  G01S5/10 ,  H04W4/70 ,  H04W4/50

Abstract: Embodiments of the present invention discloses a network positioning method and related equipment, the method includes: determining an end-to-end communication range of the first device is smaller than a preset range, wherein the end-to-end communication range of the first device is a device-to-device (D2D) communication range of the first device, and the preset range is a threshold value sent by a network side; acquiring positioning signals of at least three positioning nodes, wherein the at least three positioning nodes comprise an second device, wherein the second device is located within the end-to-end communication range of the first device, and the second device is determined by the first device to have valid position information; and determining a current position of the first device based on the valid position information of the second device. The technical solution provided by the present invention can effectively enhance the network positioning precision.

公开(公告)号：US09860808B2

公开(公告)日：2018-01-02

申请号：US14467127

申请日：2014-08-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Dengkun Xiao ,  Yuxiang Zhang ,  Qing Yang ,  Hong Li

IPC: H04W36/04 ,  H04W36/00 ,  H04L5/00 ,  H04B7/024

CPC classification number: H04W36/04 ,  H04B7/024 ,  H04L5/0035 ,  H04L5/0048 ,  H04W36/0083

Abstract: Embodiments of the present invention disclose a handover method and a related user equipment and system, which are used for handover judgment in a CoMP handover scenario. The method according to an embodiment of the present invention includes: obtaining a first reference signal parameter Mn of a target node in a macro neighboring cell and second reference signal parameters Mp corresponding to multiple nodes in a macro serving cell, where the macro serving cell is a cell serving a user equipment UE and the macro neighboring cell is a cell adjacent to the macro serving cell; selecting a preferred Mp that meets a predefined requirement from the Mps corresponding to the multiple nodes; and triggering a handover procedure if the preferred Mp and the Mn meet a preset handover condition. By implementing the solutions in the present invention, throughput of a communications system after a UE handover can be increased.

公开(公告)号：US09843963B2

公开(公告)日：2017-12-12

申请号：US14336684

申请日：2014-07-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Dengkun Xiao ,  Tong Wu ,  Jing Han ,  Yuan He ,  Jie Cui ,  Anjian Li

IPC: H04W72/00 ,  H04W28/08 ,  H04W16/08 ,  H04W16/14

CPC classification number: H04W28/08 ,  H04W16/08 ,  H04W16/14

Abstract: Embodiments of the present invention disclose a load balance method and relevant apparatuses to implement load balance between base stations in a communications network that includes an LTE base station. The method in an embodiment of the present invention includes: obtaining, by a radio resource management RRM server, load information reported by base stations, where the base stations include a Long Term Evolution LTE base station; determining an overloaded base station in the base stations; determining a target base station according to the load information, where the target base station is a base station to share a load of the overloaded base station; and instructing the overloaded base station and the target base station to perform load balance.

公开(公告)号：US09829563B2

公开(公告)日：2017-11-28

申请号：US14677149

申请日：2015-04-02

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Dengkun Xiao ,  Jie Cui ,  Yongtong Wu

IPC: G01S3/02 ,  G01S5/14 ,  H04W64/00 ,  G01S5/02

CPC classification number: G01S5/14 ,  G01S5/0215 ,  H04W64/00

Abstract: Embodiments of the present invention provide a positioning method, including: determining, by a positioning server, positioning signal configuration information; sending, by the positioning server, the positioning signal configuration information to a positioning signal sending entity; obtaining, by the positioning server, a measurement estimation result of a shortest transmission path between a positioning signal measurement entity and the positioning signal sending entity; and positioning, by the positioning server, a terminal by using the measurement estimation result of the shortest transmission path, where the terminal is one of the positioning signal measurement entity and the positioning signal sending entity. The embodiments of the present invention can resist an NLOS path deviation and a positioning signal strength loss and an SINR loss, so as to improve the positioning accuracy.

公开(公告)号：US09814015B2

公开(公告)日：2017-11-07

申请号：US14333239

申请日：2014-07-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Dengkun Xiao ,  Jie Cui ,  Anjian Li ,  Jing Han ,  Yuan He ,  Tong Wu

IPC: H04M1/00 ,  H04W64/00 ,  H04W4/02 ,  G01S5/02 ,  G01S5/10

CPC classification number: H04W64/003 ,  G01S5/0215 ,  G01S5/0221 ,  G01S5/0226 ,  G01S5/10 ,  H04W4/02 ,  H04W64/00

Abstract: Embodiments of the present invention provide a positioning method, a positioning server, a terminal and a base station. The positioning method includes: notifying a terminal of difference threshold information; receiving cell subset information that is determined by the terminal according to the difference threshold information, where the cell subset information is used to indicate a cell pair whose reference signal measured value exceeds the difference threshold, or the cell subset information is used to indicate a cell pair whose reference signal measured value does not exceed the difference threshold; determining a configuration of a PRS according to the cell subset information, and notifying the terminal of the configuration of the PRS; and receiving an RSTD that is obtained by the terminal through measurement according to the configuration of the PRS, and determining a location of the terminal according to the RSTD.

公开(公告)号：US09801088B2

公开(公告)日：2017-10-24

申请号：US14789254

申请日：2015-07-01

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Dengkun Xiao ,  Jie Cui ,  Hong Li ,  Mir Yasir ,  Jiangbo Zhu

IPC: H04W24/10 ,  H04W64/00 ,  G01S5/00 ,  G01S5/02 ,  H04W88/02 ,  H04W88/08

CPC classification number: H04W24/10 ,  G01S5/0018 ,  G01S5/0036 ,  G01S5/0063 ,  G01S5/021 ,  G01S5/0236 ,  H04W64/00 ,  H04W64/003 ,  H04W88/02 ,  H04W88/08

Abstract: Embodiments of the present invention relate to the field of communications, and provide a positioning method, apparatus, and system, so as to improve positioning precision. The method includes: determining, by a server, a positioning measurement parameter, and generating measurement configuration information carrying the positioning measurement parameter, where the positioning measurement parameter is a parameter that the server requests a terminal to measure and is used to position the terminal; sending, by the server, the measurement configuration information to the terminal through a base station; receiving, by the server through the base station, configuration response information returned by the terminal, where the configuration response information carries a positioning response parameter, and the positioning response parameter is a measurement result generated after the terminal measures the positioning measurement parameter; and positioning, by the server, the terminal according to the positioning response parameter carried in the configuration response information.

公开(公告)号：US09532244B2

公开(公告)日：2016-12-27

申请号：US14553349

申请日：2014-11-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Tong Wu ,  Dengkun Xiao ,  Jingxin Wei

IPC: H04W4/00 ,  H04W24/02 ,  H04L25/02 ,  H04L5/00

CPC classification number: H04W24/02 ,  H04J11/0036 ,  H04J11/0093 ,  H04L5/0048 ,  H04L25/0202 ,  H04L25/0224

Abstract: An interference cancellation method, data sending method, apparatus, user equipment and base station in a Long Term Evolution system are disclosed. The interference cancellation method includes: obtaining downlink cell-specific power ratio information of a specific cell; performing channel estimation based on a downlink cell-specific reference signal (CRS) of the specific cell, to obtain a channel estimation matrix of a specific physical channel, signal, or message of the specific cell; compensating the channel estimation matrix by using the downlink cell-specific power ratio information; and canceling, in an original signal that is received from a target cell and is interfered by the specific cell, interference caused by the specific cell in a received signal from a specific physical channel, signal, or message. A technical problem in the prior art that a user equipment cannot effectively cancel interference because power transmission strength of a strong interfering cell cannot be correctly estimated is solved.

Abstract translation: 公开了长期演进系统中的干扰消除方法，数据发送方法，装置，用户设备和基站。 干扰消除方法包括：获得特定小区的下行单元特定功率比信息; 基于特定小区的下行链路小区特定参考信号（CRS）执行信道估计，以获得特定小区的特定物理信道，信号或消息的信道估计矩阵; 通过使用所述下行链路小区特定功率比信息来补偿所述信道估计矩阵; 并且在从目标小区接收到并被特定小区干扰的原始信号中，从特定物理信道，信号或消息在接收到的信号中取消由特定小区引起的干扰。 解决了现有技术中由于强干扰小区的功率传输强度不能被正确估计而使得用户设备不能有效地消除干扰的技术问题。

公开(公告)号：US09432894B2

公开(公告)日：2016-08-30

申请号：US14159366

申请日：2014-01-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Dengkun Xiao ,  Tong Wu ,  Jie Cui

IPC: H04W36/08 ,  H04W64/00 ,  H04W4/20

CPC classification number: H04W36/08 ,  H04W4/20 ,  H04W64/00

Abstract: Embodiments of the present invention provide a method and a device for positioning a user equipment in a handover process. The method mainly includes: receiving, by a target base station of the user equipment in the handover process, positioning measurement related information of the user equipment transmitted from a source base station of the user equipment; and performing, by the target base station, a positioning measurement for the user equipment according to the positioning measurement related information after the user equipment has accessed the target base station successfully. Embodiments of the present invention enables the target base station to perform positioning measurement for the user equipment immediately after the UE has successfully accesses the target base station, and eliminates the need for a positioning server to retrigger a user equipment positioning process, thus reduces the signaling cost caused by retriggering the user equipment positioning process.

Abstract translation: 本发明的实施例提供了一种在切换过程中定位用户设备的方法和设备。 该方法主要包括：由切换过程中的用户设备的目标基站接收从用户设备的源基站发送的用户设备的定位测量相关信息; 并且在用户设备成功访问目标基站之后，由目标基站执行根据定位测量相关信息的用户设备的定位测量。 本发明的实施例使得目标基站能够在UE成功接入目标基站之后立即对用户设备进行定位测量，并且不需要定位服务器重新触发用户设备定位过程，从而减少信令 造成用户设备定位过程重新触发的成本。

公开(公告)号：US20150139195A1

公开(公告)日：2015-05-21

申请号：US14609375

申请日：2015-01-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Dengkun Xiao ,  Jing Han ,  Jiandong Jin

IPC: H04W36/22 ,  H04W36/30

CPC classification number: H04W36/22 ,  H04W36/0083 ,  H04W36/24 ,  H04W36/30

Abstract: An embodiment of the present invention provides a handover method, and embodiments of the present invention further provide a coordinator, a serving node, a target node, and a corresponding communications system. The method includes acquiring measurement results of a plurality of neighboring cells of a serving cell where a user equipment UE is located; acquiring information reflecting a load condition of at least one neighboring cell among the plurality of neighboring cells; and performing a handover decision according to the measurement results of the plurality of neighboring cells and the information reflecting the load condition of the at least one neighboring cell among the plurality of neighboring cells.

Abstract translation: 本发明的实施例提供一种切换方法，本发明的实施例还提供一种协调器，服务节点，目标节点和对应的通信系统。 该方法包括获取用户设备UE所在的服务小区的多个相邻小区的测量结果; 获取反映所述多个相邻小区中的至少一个相邻小区的负载状况的信息; 以及根据所述多个相邻小区的测量结果执行切换判定，以及反映所述多个相邻小区中的所述至少一个相邻小区的负载状况的信息。

公开(公告)号：US11178510B2

公开(公告)日：2021-11-16

申请号：US16863881

申请日：2020-04-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Dengkun Xiao ,  Jie Cui ,  Yuan He ,  Jiangbo Zhu

IPC: H04W4/02 ,  G01S5/02 ,  G01S5/12 ,  G01S5/14 ,  G01S5/10 ,  H04W4/70 ,  H04W4/50

Abstract: Embodiments of the present invention discloses a network positioning method and related equipments, the method includes: determining, by a first device, an auxiliary UE from a candidate set, the candidate set is within the end-to-end range of the first device, determining, by the first device, whether the end-to-end range of the first device is less than a range configured by a network device; based on the determination that the end-to-end range of the first device is less than a range configured by a network device, setting, by the first device, position information of the first device as the position information of the auxiliary UE. The technical solution provided by the present invention can effectively enhance the network positioning precision.