公开(公告)号：US09730175B2

公开(公告)日：2017-08-08

申请号：US15114076

申请日：2014-06-18

Applicant: ZTE CORPORATION

Inventor： Hanqing Xu ,  Yajun Zhao ,  Linmei Mo

IPC: H04W56/00 ,  H04W74/00 ,  H04W76/04 ,  H04W88/02 ,  H04W88/08

CPC classification number: H04W56/0065 ,  H04W56/00 ,  H04W56/0005 ,  H04W56/0015 ,  H04W56/004 ,  H04W56/0055 ,  H04W74/004 ,  H04W76/28 ,  H04W88/02 ,  H04W88/08

Abstract: The present document discloses a method and a system for determining a delay difference, and a base station and UE, the method includes: a serving cell receiving information of time measured by a neighboring cell at which uplink channel/signal information of UE for determining a synchronization delay is received; and the serving cell determining a synchronization delay difference between the UE to the serving cell and the UE to the neighboring cell according to information of time measured by the serving cell at which the uplink channel/signal information of the UE for determining the synchronization delay is received, and the information of time measured by the neighboring cell and at which the uplink channel/signal information of the UE for determining the synchronization delay is received, wherein the uplink channel/signal information measured by the serving cell is the same as the uplink channel/signal information measured by the neighboring cell.

公开(公告)号：US09722745B2

公开(公告)日：2017-08-01

申请号：US14655730

申请日：2013-08-14

Applicant: ZTE CORPORATION

Inventor： Linmei Mo ,  Yajun Zhao ,  Baoyu Sun ,  Chen Huang ,  Hanqing Xu ,  Yujie Li ,  Hongfeng Qin ,  Guofeng Chen ,  Hongfeng Yuan ,  Xin Zhang

IPC: H04L5/00 ,  H04B7/024 ,  H04B1/04 ,  H04B7/04 ,  H04B7/06 ,  H04B7/08 ,  H04W72/08 ,  H04L1/00 ,  H04W88/08

CPC classification number: H04L5/0035 ,  H04B1/0475 ,  H04B7/024 ,  H04B7/043 ,  H04B7/0632 ,  H04B7/0857 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0077 ,  H04L5/0048 ,  H04L5/006 ,  H04W72/082 ,  H04W88/08

Abstract: A method and base station for coordinated multi point data transmission are disclosed. The method includes: a base station receiving a per-cell CQI value reported by a UE; looking up an SINR-CQI mapping table according to the per-cell CQI value, and acquiring a subband/broadband SINR value; performing CQI recalculation according to the subband/broadband SINR value, and acquiring a recalculated subband/broadband CQI value; and selecting modulation and coding according to the recalculated subband/broadband CQI value to schedule data transmission. With the method and base station of the embodiments of the present document, in a CoMP system, in a joint transmission scenario, the accuracy of the CQI value used by the BS for scheduling is improved, and the oscillation during an AMC process is reduced.

公开(公告)号：US20170013671A1

公开(公告)日：2017-01-12

申请号：US15113574

申请日：2014-06-23

Applicant: ZTE Corporation

Inventor： Hanqing Xu ,  Yajun Zhao ,  Linmei Mo

IPC: H04W76/04 ,  H04W16/32 ,  H04W52/02

CPC classification number: H04W76/27 ,  H04W16/32 ,  H04W24/02 ,  H04W52/0206 ,  Y02D70/24 ,  Y02D70/25

Abstract: The present invention relates to the field of wireless communications. Disclosed are a state switching method and device for a small cell base station and a computer storage medium. The method comprises: acquiring state switching information comprising a state switching mode and performing state switching on the small cell base station according to the state switching information.

Abstract translation: 本发明涉及无线通信领域。 公开了一种用于小型基站和计算机存储介质的状态切换方法和装置。 该方法包括：获取包括状态切换模式的状态切换信息，并根据状态切换信息对小小区基站进行状态切换。

公开(公告)号：US20160028456A1

公开(公告)日：2016-01-28

申请号：US14776617

申请日：2013-12-25

Applicant: ZTE CORPORATION

Inventor： Baoyu Sun ,  Yajun Zhao ,  Yujie Li ,  Xin Zhang ,  Linmei Mo ,  Hanqing Xu ,  Guofeng Chen ,  Chen Huang

IPC: H04B7/04 ,  H04B17/309 ,  H04B7/06

CPC classification number: H04B7/0456 ,  H04B7/0421 ,  H04B7/043 ,  H04B7/0452 ,  H04B7/063 ,  H04B7/0634 ,  H04B7/0682 ,  H04B17/24 ,  H04B17/309 ,  H04L25/0222 ,  H04L25/0224 ,  H04L25/03343

Abstract: A method for guaranteeing channel phase continuity of pre-coded RB groups, a base station and a computer-readable storage medium are described. The method includes that: a base station implements a channel estimation through a Sounding Reference Signal (SRS) measurement to obtain an uplink channel and obtains a corresponding downlink channel based on reciprocity of uplink and downlink channels; the base station calculates a weight phase correction factor based on the obtained downlink channel and corrects a pre-coding weight with the weight phase correction factor; and the base station pre-codes data according to the corrected pre-coding weight and sends the pre-coded data.

Abstract translation: 描述了用于保证预编码RB组，基站和计算机可读存储介质的信道相位连续性的方法。 该方法包括：基站通过探测参考信号（SRS）测量实现信道估计，以获得上行链路信道，并且基于上行链路和下行链路信道的互易性获得相应的下行链路信道; 基站基于所获得的下行链路信道计算权重相位校正因子，并用权重相位校正因子校正预编码权重; 并且基站根据校正的预编码权重对数据进行预编码并发送预编码数据。

公开(公告)号：US12028201B2

公开(公告)日：2024-07-02

申请号：US17390765

申请日：2021-07-30

Applicant: ZTE Corporation

Inventor： Hanqing Xu ,  Yajun Zhao ,  Linmei Mo

IPC: H04L27/26 ,  H04L27/00 ,  H04W48/12 ,  H04W48/16 ,  H04W72/0453 ,  H04W72/54

CPC classification number: H04L27/2692 ,  H04L27/0006 ,  H04L27/26 ,  H04W48/12 ,  H04W48/16 ,  H04W72/0453 ,  H04W72/54

Abstract: Provided are a method and apparatus for occupying an unlicensed carrier to send a discovery signal, and an access point. The method includes the following steps. A parameter of a discovery signal sent on an unlicensed carrier by an access point is configured. The access point sends the discovery signal on the unlicensed carrier. The technical solution of the present disclosure can reduce the time for processing items other than data sending (such as synchronization) after each time the access point preempts a resource, and can improve the spectral efficiency of the unlicensed carrier.

公开(公告)号：US10694515B2

公开(公告)日：2020-06-23

申请号：US15505615

申请日：2015-02-11

Applicant: ZTE CORPORATION

Inventor： Yajun Zhao ,  Linmei Mo ,  Hanqing Xu

IPC: H04L5/00 ,  H04L5/14 ,  H04L27/00 ,  H04L27/26 ,  H04W24/02 ,  H04W72/04 ,  H04W72/12 ,  H04W88/08 ,  H04W92/10

Abstract: An information processing method, a corresponding base station and terminal are disclosed. The method includes presetting a subframe structure comprising at least a first time slot and a second time slot, herein the first time slot is used for transmission of a downlink signal; or is idle; or is switched to reception of an uplink signal and schedules transmission of the uplink signal or does not schedule transmission of the uplink signal; or is switched to reception of a signal for only performing reception and measurement of other signals but does not schedule transmission of the uplink signal; and the second time slot is used for reception of an uplink signal and schedules transmission of the uplink signal; or is idle, or is switched to reception of a signal for only performing measurement but does not schedule the uplink signal.

公开(公告)号：US10555243B2

公开(公告)日：2020-02-04

申请号：US15546855

申请日：2015-09-08

Applicant: ZTE Corporation

Inventor： Hanqing Xu ,  Yajun Zhao ,  Linmei Mo

IPC: H04W48/10 ,  H04L5/00 ,  H04W72/04 ,  H04W72/12 ,  H04B7/26 ,  H04W56/00

Abstract: A Discovery Signal (DS) processing method and device is provided. In the method, at least one of the following operations is executed on each component signal of a DS: determining a configuration manner of each component signal; performing pattern modification on each component signal; and determining a transmission manner of each component signal or each pattern-modified component signal.

公开(公告)号：US10390346B2

公开(公告)日：2019-08-20

申请号：US15523696

申请日：2015-05-05

Applicant: ZTE Corporation

Inventor： Hanqing Xu ,  Yajun Zhao ,  Linmei Mo

IPC: H04W4/00 ,  H04W72/04 ,  H04L5/00 ,  H04L27/00 ,  H04W48/16 ,  H04W48/18 ,  H04W72/12 ,  H04W74/08

Abstract: The disclosure discloses a carrier selecting method and device, an access point and a storage medium. The method includes that: an access point selects unlicensed carriers satisfying a first condition from unlicensed carriers as a first carrier set; sends a discovery signal on all unlicensed carriers in the first carrier set; and the access point receives a measurement result performed by a user equipment on all the unlicensed carriers in the first carrier set, and selects unlicensed carriers satisfying a second condition from the first carrier set based on the measurement result as carrier resources of the access point.

公开(公告)号：US09769690B2

公开(公告)日：2017-09-19

申请号：US15006493

申请日：2014-06-19

Applicant: ZTE CORPORATION

Inventor： Linmei Mo ,  Yajun Zhao ,  Hanqing Xu ,  Yonghong Gao ,  Aijun Cao

IPC: H04W72/00 ,  H04W48/16 ,  H04W24/08 ,  H04W48/12

CPC classification number: H04W24/08 ,  H04W48/12 ,  H04W48/16

Abstract: A discovery signal measurement method, base station and terminal, wherein the method includes: a base station determining measurement patterns used by different terminals for measuring discovery signals according to transmission patterns of discovery signals; the base station configuring measurement patterns corresponding to the terminals for the terminals; the base station transmitting the discovery signals in cells corresponding to the transmission pattern according to the transmission patterns. The method, base station and terminal according to the embodiment of the present invention provide a definite solution for configuring measurement patterns of discovery signals.

公开(公告)号：US09515791B2

公开(公告)日：2016-12-06

申请号：US14414296

申请日：2013-06-28

Applicant: ZTE Corporation

Inventor： Yajun Zhao ,  Linmei Mo ,  Hanqing Xu ,  Jun Huang ,  Yujie Li ,  Baoyu Sun

IPC: H04L5/00 ,  H04L1/00 ,  H04W24/02 ,  H04W24/08 ,  H04W56/00 ,  H04W72/04 ,  H04W24/06 ,  H04W88/10 ,  H04W88/08 ,  H04B7/02

CPC classification number: H04L5/0035 ,  H04B7/024 ,  H04L1/0003 ,  H04W24/02 ,  H04W24/06 ,  H04W24/08 ,  H04W56/001 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0426 ,  H04W88/08 ,  H04W88/10

Abstract: A method and device for multi-access point calibration are disclosed. The method includes: a base station estimating a value closest to a true parameter deviation in a value interval of an uplink and downlink channel parameter deviation between access points, wherein the parameter deviation includes a phase difference and an amplitude difference; and the base station performing phase and/or amplitude calibration on service data transmitted jointly by the access points according to the value. With the method and device provided in the present document, a cell calculates a parameter difference between different access points, and then calibrates multiple access points according to the parameter difference, so as to solve a problem that the phase difference and amplitude difference exist between the data transmitted jointly between the multiple access points, and thus it can be guaranteed that good coherent transmission is performed between the access points, thereby improving the system performance.

Abstract translation: 公开了一种用于多接入点校准的方法和装置。 该方法包括：基站估计在接入点之间的上行链路和下行链路信道参数偏差的值间隔中最接近真实参数偏差的值，其中参数偏差包括相位差和幅度差; 并且基站对由接入点联合发送的服务数据执行相位和/或幅度校准。 利用本文件提供的方法和装置，小区计算不同接入点之间的参数差，然后根据参数差来校准多个接入点，以解决相位差和幅度差存在于 在多个接入点之间共同传输的数据，因此可以保证在接入点之间执行良好的相干传输，从而提高系统性能。