公开(公告)号：US20150055496A1

公开(公告)日：2015-02-26

申请号：US14389588

申请日：2013-04-10

Applicant: ZTE Corporation

Inventor： Yajun Zhao ,  Linmei Mo ,  Chen Huang ,  Hanqing Xu ,  Yujie Li ,  Baoyu Sun ,  Qian Wang ,  Yunfeng Sun

IPC: H04L5/00 ,  H04B7/04 ,  H04W56/00 ,  H04W24/08 ,  H04W72/04

CPC classification number: H04L5/0035 ,  H04B7/0417 ,  H04B17/11 ,  H04B17/364 ,  H04L1/0026 ,  H04W24/08 ,  H04W56/00 ,  H04W56/001 ,  H04W72/0413

Abstract: The embodiment of the present invention discloses a method, a system and an apparatus for calibrating deviation among multiple access points, which are used for solving a problem that information received by a user equipment (UE) is not synchronous, caused when different access points send data to the UE at the same time, and improving system performance and frequency spectrum efficiency. The method for calibrating deviation among multiple access points comprises the following steps: in step A: a base station sending to a UE a message instructing the UE to perform measurement and return deviation calibration information among the multiple access points (S101); and in step B: the base station calibrating the deviation among the multiple access points based on the deviation calibration information among the multiple access points returned by the UE (S102).

Abstract translation: 本发明的实施例公开了一种用于校准多个接入点之间的偏差的方法，系统和装置，其用于解决当不同接入点发送时由用户设备（UE）接收的信息不同步的问题 同时向UE提供数据，提高系统性能和频谱效率。 用于校准多个接入点之间的偏差的方法包括以下步骤：步骤A：基站向UE发送指示UE在多个接入点之间执行测量的消息和返回偏差校准信息（S101）; 并且在步骤B中：基站基于UE返回的多个接入点之间的偏差校准信息来校准多个接入点之间的偏差（S102）。

公开(公告)号：US08774226B2

公开(公告)日：2014-07-08

申请号：US13658338

申请日：2012-10-23

Applicant: ZTE Corporation

Inventor： Senbao Guo ,  Yunfeng Sun ,  Changqing Zhu ,  Chenchen Zhang

IPC: H04W56/00 ,  H04L5/00 ,  H04L1/00 ,  H04W48/12

CPC classification number: H04L1/0027 ,  H04L1/0026 ,  H04L5/0048 ,  H04W48/12

Abstract: The present invention provides a method and device for generating and mapping a Channel State Information Reference Signal (CSI-RS) sequence, and the method includes: generating a pseudo-random sequence according to a pseudo-random sequence initial value, performing a Quadrature Phase-Shift Keying (QPSK) modulation on the pseudo-random sequence, and obtaining a first CSI-RS sequence according to maximum bandwidth of system; and cutting the first CSI-RS sequence according to the actual bandwidth of the system, obtaining a second CSI-RS sequence, and mapping the second CSI-RS sequence to a time frequency location of a CSI-RS antenna port. The CSI-RS reference signal sequence can be generated or obtained respectively at the UE terminal and eNB terminal in accordance with the stated methods for generating and mapping the reference sequence according to known parameters by the present invention, so that the calculated CSI-RS sequence can be utilized to measure the channel at the UE terminal.

Abstract translation: 本发明提供一种用于生成和映射信道状态信息参考信号（CSI-RS）序列的方法和装置，该方法包括：根据伪随机序列初始值产生伪随机序列，执行正交相位 对伪随机序列进行“移动键控”（QPSK）调制，并根据系统的最大带宽获得第一个CSI-RS序列; 以及根据所述系统的实际带宽切割所述第一CSI-RS序列，获得第二CSI-RS序列，以及将所述第二CSI-RS序列映射到CSI-RS天线端口的时间频率位置。 根据本发明的根据已知参数生成和映射参考序列的所述方法，可以在UE终端和eNB终端分别生成或获得CSI-RS参考信号序列，使得所计算的CSI-RS序列 可用于测量UE终端的信道。

公开(公告)号：US10374763B2

公开(公告)日：2019-08-06

申请号：US15024985

申请日：2014-05-15

Applicant: ZTE Corporation

Inventor： Yu Ngok Li ,  Jun Xu ,  Yunfeng Sun ,  Senbao Guo ,  Junfeng Zhang

IPC: H04L5/00 ,  H04W72/08 ,  H04W72/04 ,  H04W28/18 ,  H04L1/00

Abstract: Provided are a parameter transmission method and device for interference coordination and an interference coordination method and device. The parameter transmission method includes that: a first Transmission Point (TP) specifies a part of resources in all available resources of the first TP; the first TP defines a set of shared parameters on the specified part of resources, wherein the set of shared parameters are used for performing interference coordination between the first TP and at least one second TP adjacent to the first TP; and the first TP sends the set of shared parameters to the at least one second TP. According to the technical solutions, space-domain Inter-Cell Interference Coordination (ICIC) may be adopted on the basis of a conventional ICIC technology to further enhance a capability of interference coordination between TPs.

公开(公告)号：US10250305B2

公开(公告)日：2019-04-02

申请号：US15858265

申请日：2017-12-29

Applicant: ZTE CORPORATION

Inventor： Yu Ngok Li ,  Bo Dai ,  Yunfeng Sun ,  Jun Xu ,  Junfeng Zhang

IPC: H04W72/04 ,  H04B7/0452 ,  H04W28/18 ,  H04W48/08 ,  H04B7/06

Abstract: A method and system for indicating a transmission parameter are provided in the present invention. The method includes: when multi-user multi-input multi-output (MIMO) data are transmitted, using a newly-added indication signaling in a downlink control information format to indicate different joint encoded parameters when numbers of enabled transport blocks are different. Through adding new indication signaling in the present invention, different joint encoded parameters are indicated during the multi-user MIMO data transmission and the MIMO multi-user transmission based on the demodulation reference signal is supported.

公开(公告)号：US10171210B2

公开(公告)日：2019-01-01

申请号：US14768765

申请日：2012-12-27

Applicant: ZTE CORPORATION

Inventor： Yuhong Gong ,  Yunfeng Sun ,  Yuxin Wang ,  Shupeng Li ,  Chenchen Zhang ,  Min Ren

IPC: H04L5/00 ,  H04W72/04

Abstract: Disclosed are a spectrum comb signaling notification and sounding reference signal transmission method and device, wherein the spectrum comb signaling notification method includes: a network side configuring and notifying a receiving side of a two-layer comb spectrum signaling, including a first spectrum comb signaling and a second spectrum comb signaling, wherein the two-layer comb spectrum signaling indicates sub-carrier positions of transmitting the sounding reference signals to the receiving side.

公开(公告)号：US10009158B2

公开(公告)日：2018-06-26

申请号：US14772844

申请日：2013-12-31

Applicant: ZTE Corporation

Inventor： Senbao Guo ,  Yunfeng Sun ,  Bo Dai ,  Junfeng Zhang

IPC: H04W72/04 ,  H04L5/00 ,  H04B7/06 ,  H04W24/10

CPC classification number: H04L5/0048 ,  H04B7/0626 ,  H04B7/068 ,  H04L5/0057 ,  H04L5/0073 ,  H04W24/10

Abstract: Provided are resource mapping and receiving methods and devices and signalling notification and acquisition methods and devices. The resource mapping method includes that: an evolved NodeB (eNB) maps a Channel State Information Reference Signal (CSI-RS) onto multiple resource elements in a manner of frequency division multiplexing and/or time division multiplexing and/or code division multiplexing; and/or the eNB maps an Interference Measure Resource (IMR) onto multiple resource elements in a manner of frequency division multiplexing and/or time division multiplexing. By the technical solution, the effects of improving measurement performance of a system, ensuring more accurate adaptive transmission and improving spectral efficiency of the system are further achieved.

公开(公告)号：US09930651B2

公开(公告)日：2018-03-27

申请号：US14439784

申请日：2013-08-26

Applicant: ZTE CORPORATION

Inventor： Senbao Guo ,  Yunfeng Sun ,  Junfeng Zhang ,  Dongli Chen

IPC: G01R31/08 ,  H04L5/14 ,  H04B7/00 ,  H04L12/28 ,  H04W72/04 ,  H04L5/00 ,  H04B7/06 ,  H04B7/024

CPC classification number: H04W72/042 ,  H04B7/024 ,  H04B7/0689 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0053

Abstract: Disclosed are a downlink control information configuration and acquisition method, a base station and a terminal, wherein the base station configures a plurality of sets of receiving information for the terminal via a terminal specific high-layer signaling, and the base station indicates, to the terminal, which set in the plurality of sets of receiving information to use to perform a DMRS and/or physical downlink shared channel (PDSCH) reception by using at least one of the following information: a localized virtual resource block/distributed virtual resource block assignment (LVRB/DVRB) bit in the DCI Format 1A; a control channel mode where the DCI Format 1A is located, PDCCH and ePDCCH; an ePDCCH transmission mode where the DCI Format 1A is located, diversity transmission mode and localized transmission mode; and an ePDCCH cluster where the DCI Format 1A is located.

公开(公告)号：US09736824B2

公开(公告)日：2017-08-15

申请号：US14403608

申请日：2013-05-10

Applicant: ZTE Corporation

Inventor： Senbao Guo ,  Yunfeng Sun ,  Yu Ngok Li ,  Junfeng Zhang

IPC: H04W72/04 ,  H04L5/00 ,  H04W72/10

CPC classification number: H04W72/0413 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0073 ,  H04W72/10

Abstract: A method for feeding back channel state information is provided, which includes: a base station notifying a terminal of transmission resources used for transmitting a plurality of Channel State Information (CSIs) or a plurality of colliding CSIs and/or of priorities between a plurality of CSIs or a plurality of colliding CSIs. In the present document, the base station indicates the terminal on how to handle a feedback of the colliding CSIs when collision between the CSIs occurs during processes of feeding back a plurality of CSIs via a high layer signaling or a preset rule, which enables the base station and the terminal to reach a uniform feedback mechanism, and guarantees a minimum possibility of discarding CSIs, thereby solving the problem of the impact on the CoMP performance due to discarding excessive CSIs.

公开(公告)号：US20160270113A1

公开(公告)日：2016-09-15

申请号：US15025180

申请日：2014-05-12

Applicant: ZTE CORPORATION

Inventor： Yunfeng Sun ,  Yu Ngok Li ,  Jun Xu ,  Junfeng Zhang ,  Senbao Guo

IPC: H04W72/12 ,  H04B7/06

CPC classification number: H04W72/1278 ,  H04B7/024 ,  H04B7/0617 ,  H04B7/0626 ,  H04L5/0044 ,  H04L5/0051 ,  H04L5/14 ,  H04W28/16 ,  H04W72/121 ,  H04W84/042

Abstract: The present disclosure discloses a scheduling configuration method, which includes that: a centralized control unit configures coordination parameters of different nodes, and distributed scheduling units in each node schedule user resources of the local nodes. The present disclosure also discloses a scheduling configuration device, which includes: a configuration unit and scheduling units, wherein the configuration unit is arranged in a centralized control unit and configured to configure coordination parameters of different nodes; and the scheduling units are arranged in each node and configured to schedule user resources of the local nodes. By the technical solutions of the present disclosure, the problem of time delay, caused by backhaul, of a non-coordination user in a centralized scheduling manner is solved; and coordination configuration is performed on parameters which are relatively semi-static or change more slowly to eliminate influence on user scheduling flexibility under the condition of implementing system transmission.

Abstract translation: 本公开公开了一种调度配置方法，其包括：集中控制单元配置不同节点的协调参数，并且每个节点中的分布式调度单元调度本地节点的用户资源。 本公开还公开了一种调度配置设备，其包括：配置单元和调度单元，其中所述配置单元被布置在集中控制单元中，并且被配置为配置不同节点的协调参数; 并且调度单元被布置在每个节点中并且被配置为调度本地节点的用户资源。 通过本公开的技术方案，解决了以协调用户为中心调度方式的回程引起的延时问题; 对相对半静态或变化较慢的参数进行协调配置，以消除在实现系统传输的情况下对用户调度灵活性的影响。

公开(公告)号：US20150381395A1

公开(公告)日：2015-12-31

申请号：US14769167

申请日：2013-12-31

Applicant: ZTE CORPORATION

Inventor： Senbao Guo ,  Yunfeng Sun ,  Zhisong Zuo ,  Wenfeng Zhang ,  Junfeng Zhang

IPC: H04L27/26 ,  H04L5/22 ,  H04L5/00

CPC classification number: H04L27/2607 ,  H04L5/0014 ,  H04L5/0051 ,  H04L5/22

Abstract: Disclosed are a method for transmitting a demodulation reference signal (DMRS), a base station and a user equipment, related to the LTE Advanced system. The method for transmitting the DMRS disclosed in the present document includes: a base station transmitting a plurality of demodulation reference signal (DMRS) ports through frequency division multiplexing (FDM) and/or code division multiplexing (CDM) and/or time division multiplexing (TDM). The embodiment of the present invention further discloses a base station and a user equipment. The technical scheme of the present application greatly boosts the DMRS demodulation performance, especially taking into account its use in the 256QAM modulation method in future, balances interpolation performance of various PRB Pairs in one sub-frame, and it avoids a collision between a DMRS and a RCRS, a PSS/SSS as well as a CSI-RS.

Abstract translation: 公开了一种用于发送与LTE高级系统相关的解调参考信号（DMRS），基站和用户设备的方法。 用于发送本文档中公开的DMRS的方法包括：基站通过频分复用（FDM）和/或码分复用（CDM）和/或时分多路复用（CDM）发送多个解调参考信号（DMRS） TDM）。 本发明的实施例还公开了一种基站和用户设备。 本应用的技术方案大大提高了DMRS解调性能，特别是考虑到其在256QAM调制方式中的应用，在一个子帧中平衡了各种PRB对的插值性能，避免了DMRS与 RCRS，PSS / SSS以及CSI-RS。