公开(公告)号：US09859962B2

公开(公告)日：2018-01-02

申请号：US14923019

申请日：2015-10-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou

IPC: H04B7/00 ,  H04B7/0456 ,  H04B7/04 ,  H04B7/06 ,  H04L25/03

CPC classification number: H04B7/0456 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/0617 ,  H04B7/0639 ,  H04B7/065 ,  H04L25/03949

Abstract: The present invention relates to a method for determining a precoding matrix indicator, a user equipment UE, a base station eNB, and a system. The method includes: receiving a reference signal sent by a base station; selecting, based on the reference signal, a precoding matrix from a codebook, where a precoding matrix W included in the codebook is a product of two matrices W1 and W2, where W1 is a block diagonal matrix, where each block matrix is a Kronecker product of a matrix Ai and a matrix Bi; and sending a precoding matrix indicator PMI to the base station, where the PMI corresponds to the selected precoding matrix, so that the base station obtains the precoding matrix according to the PMI.

公开(公告)号：US09838097B2

公开(公告)日：2017-12-05

申请号：US15439686

申请日：2017-02-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou ,  Jianghua Liu

IPC: H04B7/02 ,  H04B7/06 ,  H04B7/08 ,  H04B7/0456

CPC classification number: H04B7/0456 ,  H04B7/0417 ,  H04B7/0473 ,  H04B7/0626 ,  H04B7/0639

Abstract: Embodiments of the present invention provide a method includes: receiving a reference signal sent by a base station; selecting, based on the reference signal, a precoding matrix from a codebook, where a precoding matrix W included in the codebook is a product of three matrices being w1, Z, and w2, that is, w=w1zw2, where both w1 and Z are block diagonal matrices, w1=a formula (I), Z=a formula (II), each of w1 and Z includes at least one block matrix, that is, NB≧1, and each column of each block matrix zi in the matrix Z has the following structure formula (III); and sending a precoding matrix indicator (PMI) to the base station, where the PMI corresponds to the selected precoding matrix, and is used by the base station to obtain the selected precoding matrix W according to the PMI.

公开(公告)号：US20170331542A1

公开(公告)日：2017-11-16

申请号：US15668531

申请日：2017-08-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou ,  Leiming Zhang

IPC: H04B7/06 ,  H04B7/0413 ,  G06F17/16 ,  H04N19/124

CPC classification number: H04B7/0626 ,  G06F17/16 ,  H04B7/0413 ,  H04B7/0634 ,  H04B7/0639 ,  H04N19/124

Abstract: Embodiments of the present invention provide a method for feeding back channel state information, a user equipment, and abase station, to improve feedback precision of channel state information. The method includes: receiving a reference signal sent by a base station; selecting a precoding matrix W from a codebook according to the reference signal, where a column vector of the precoding matrix W may be expressed as α[V ejφv]T, v=[1 ejθ]; and sending a precoding matrix indicator PMI to the base station, where the PMI is corresponding to the selected precoding matrix W. The present invention may further improve quantization precision and achieve balance between overheads and the quantization precision. The base station performs precoding on a sent signal according to a fed back precoding matrix indicator, which can improve precoding precision, thereby improving a data transmission rate and system throughput.

公开(公告)号：US09800385B2

公开(公告)日：2017-10-24

申请号：US14979967

申请日：2015-12-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou

IPC: H04W4/00 ,  H04L5/00 ,  H04B7/04 ,  H04B7/0413 ,  H04W72/04

CPC classification number: H04L5/0053 ,  H04B7/04 ,  H04B7/0413 ,  H04L5/0023 ,  H04L5/0048 ,  H04W72/0446

Abstract: Embodiments disclose a reference signal transmission method and an apparatus. The method includes receiving reference signal resource configuration information sent by a base station, where the reference signal resource configuration information includes antenna port quantity information and a resource configuration index. The method also includes determining a reference signal configuration from a reference signal configuration set according to the antenna port quantity information and the resource configuration index. The method also includes obtaining, according to the determined reference signal configuration, positions of the resource elements REs that are used to send the reference signal on the antenna ports in the antenna port set, and receiving reference signals according to the positions of the REs.

公开(公告)号：US09713101B2

公开(公告)日：2017-07-18

申请号：US14715037

申请日：2015-05-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou

IPC: H04W4/00 ,  H04B7/216 ,  H04W52/24 ,  H04W36/00 ,  H04B7/06 ,  H04L1/00 ,  H04W24/04 ,  H04W72/04 ,  H04B17/309 ,  H04L5/00

CPC classification number: H04W52/244 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0665 ,  H04B17/309 ,  H04L1/0023 ,  H04L5/00 ,  H04W24/04 ,  H04W36/0083 ,  H04W72/0426

Abstract: Embodiments of the present application provide an access method and device. In the embodiments of the present application, a terminal obtains, according to reference signals sent by a first transmission point and a second transmission point and a first precoding matrix, quality information of the reference signals after a channel corresponding to each transmission point is precoded, so that the terminal is capable of obtaining quality information of precoded reference signals more accurately and the first transmission point switches the terminal to an appropriate second transmission point, thereby implementing flow distribution between all transmission points and improving access reliability of the terminal.

公开(公告)号：US09350432B2

公开(公告)日：2016-05-24

申请号：US14713502

申请日：2015-05-15

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jianguo Wang ,  Yongxing Zhou

IPC: H04L27/00 ,  H04B7/04 ,  H04L25/03 ,  H04B7/06

CPC classification number: H04B7/0456 ,  H04B7/0465 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/0639 ,  H04B7/0641 ,  H04L25/03923 ,  H04L25/03936

Abstract: In the field of communication technologies, a method and an apparatus for acquiring a Precoding Matrix Indicator (PMI) and a Precoding Matrix (PM) are provided. The method includes: acquiring a reference PMI and a differential PMI according to a first non-differential codebook and a first diagonal differential codebook, where codewords included in the first diagonal differential codebook form a diagonal matrix. The apparatus includes a PMI acquiring module. Acquiring a reference PMI and a differential PMI according to a non-differential codebook and a diagonal differential codebook can reduce the feedback overhead or improve the feedback precision; and the fact that a codeword included in the diagonal differential codebook is a diagonal matrix can maintain amplitude characteristics (for example, a constant modulus characteristic, and a finite character set constraint characteristic) of elements of the non-differential codebook or facilitate power distribution among antennas.

Abstract translation: 在通信技术领域中，提供了一种用于获取预编码矩阵指示符（PMI）和预编码矩阵（PM）的方法和装置。 该方法包括：根据第一非差分码本和第一对角差分码本获取参考PMI和差分PMI，其中包括在第一对角差分码本中的码字形成对角矩阵。 该装置包括PMI获取模块。 根据非差分码本和对角差分码本获取参考PMI和差分PMI可以减少反馈开销或提高反馈精度; 并且包括在对角差分码本中的码字是对角矩阵的事实可以保持非差分码本的元素的幅度特性（例如，恒定模量特性和有限字符集约束特性）或促进功率分布之间的功率分配 天线。

公开(公告)号：US20160112173A1

公开(公告)日：2016-04-21

申请号：US14979967

申请日：2015-12-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04L5/0053 ,  H04B7/04 ,  H04B7/0413 ,  H04L5/0023 ,  H04L5/0048 ,  H04W72/0446

Abstract: Embodiments disclose a reference signal transmission method and an apparatus. The method includes receiving reference signal resource configuration information sent by a base station, where the reference signal resource configuration information includes antenna port quantity information and a resource configuration index. The method also includes determining a reference signal configuration from a reference signal configuration set according to the antenna port quantity information and the resource configuration index. The method also includes obtaining, according to the determined reference signal configuration, positions of the resource elements REs that are used to send the reference signal on the antenna ports in the antenna port set, and receiving reference signals according to the positions of the REs.

Abstract translation: 实施例公开了参考信号传输方法和装置。 该方法包括接收由基站发送的参考信号资源配置信息，其中参考信号资源配置信息包括天线端口数量信息和资源配置索引。 该方法还包括根据天线端口数量信息和资源配置索引从参考信号配置集合确定参考信号配置。 该方法还包括根据确定的参考信号配置获得用于在天线端口组中的天线端口上发送参考信号的资源元素RE的位置，并根据RE的位置接收参考信号。

公开(公告)号：US09287636B2

公开(公告)日：2016-03-15

申请号：US13919520

申请日：2013-06-17

Applicant: Huawei Technologies Co., Ltd. ,  China Aviation Optical-Electrical Technology Co., Ltd.

Inventor： Min Song ,  Tengfang Xiong ,  Baoliang Sun ,  Jianguo Wang ,  Yong Yao

IPC: H01R4/66 ,  H01R4/30 ,  H01R4/36 ,  H01R13/58 ,  H01R13/52 ,  H01R13/627 ,  H01R13/648 ,  H01R24/28 ,  H01R103/00

CPC classification number: H01R4/305 ,  H01R4/36 ,  H01R13/52 ,  H01R13/5812 ,  H01R13/6277 ,  H01R13/648 ,  H01R24/28 ,  H01R2103/00

Abstract: The embodiments of the present invention provide a plug and a power connector. The plug is applied in a power connector connected between a power supply device and a radio frequency module. The plug includes a jack and a crimping component set at a tail end of the jack, and the crimping component is configured to connect a power cable introduced from the power supply device to the jack in a manner of fixing. A power connector that includes the plug is further provided. By using the technical solutions according to the embodiments, easy on-site installation of the power connector that includes the plug during use may be ensured.

Abstract translation: 本发明的实施例提供了插头和电源连接器。 插头应用在连接在电源设备和射频模块之间的电源连接器中。 插头包括插座和设置在插座的尾端的压接部件，并且压接部件构造成以固定的方式将从电源装置引入的电力电缆连接到插座。 还提供了包括插头的电源连接器。 通过使用根据实施例的技术方案，可以确保在使用期间容易地现场安装包括插头的电源连接器。

公开(公告)号：US20160020846A1

公开(公告)日：2016-01-21

申请号：US14868762

申请日：2015-09-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou

IPC: H04B7/06 ,  H04B7/04

CPC classification number: H04B7/0626 ,  H04B7/0456 ,  H04B7/0639

Abstract: Embodiments of the present invention provide a method for reporting and receiving channel state information (CSI), and a device. The reporting method includes: acquiring reference signal resource configuration information, where antenna port configuration information in the reference signal resource configuration information is used to indicate an antenna port structure; receiving, according to the reference signal resource configuration information, a reference signal sent by a base station; selecting a precoding matrix from a codebook based on the received reference signal, where a structure of the precoding matrix corresponds to the antenna port structure indicated by the antenna port configuration information; and reporting, to the base station, a PMI used to indicate the selected precoding matrix. According to the technical solutions of the present invention, a problem of reporting CSI in an AAS base station scenario is resolved, and precision of CSI reporting is improved.

Abstract translation: 本发明的实施例提供了一种用于报告和接收信道状态信息（CSI）的方法，以及一种设备。 报告方法包括：获取参考信号资源配置信息，其中参考信号资源配置信息中的天线端口配置信息用于指示天线端口结构; 根据参考信号资源配置信息，接收由基站发送的参考信号; 基于所接收的参考信号从码本中选择预编码矩阵，其中预编码矩阵的结构对应于由天线端口配置信息指示的天线端口结构; 并向基站报告用于指示所选择的预编码矩阵的PMI。 根据本发明的技术方案，解决了在AAS基站情况下报告CSI的问题，提高了CSI报告的精度。

公开(公告)号：US08625711B2

公开(公告)日：2014-01-07

申请号：US13730044

申请日：2012-12-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou

IPC: H04B7/04

CPC classification number: H04B7/0456 ,  H04B7/0465 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/0639 ,  H04B7/0641 ,  H04L25/03923 ,  H04L25/03936

Abstract: In the field of communication technologies, a method and an apparatus for acquiring a Precoding Matrix Indicator (PMI) and a Precoding Matrix (PM) are provided. The method includes: acquiring a reference PMI and a differential PMI according to a first non-differential codebook and a first diagonal differential codebook, where codewords included in the first diagonal differential codebook form a diagonal matrix. The apparatus includes a PMI acquiring module. Acquiring a reference PMI and a differential PMI according to a non-differential codebook and a diagonal differential codebook can reduce the feedback overhead or improve the feedback precision; and the fact that codewords included in the diagonal differential codebook form a diagonal matrix can maintain amplitude characteristics (for example, a constant modulus characteristic, and a finite character set constraint characteristic) of elements of the non-differential codebook or facilitate power distribution among antennas.

Abstract translation: 在通信技术领域中，提供了一种用于获取预编码矩阵指示符（PMI）和预编码矩阵（PM）的方法和装置。 该方法包括：根据第一非差分码本和第一对角差分码本获取参考PMI和差分PMI，其中包括在第一对角差分码本中的码字形成对角矩阵。 该装置包括PMI获取模块。 根据非差分码本和对角差分码本获取参考PMI和差分PMI可以减少反馈开销或提高反馈精度; 并且包括在对角差分码本中的码字形成对角矩阵的事实可以保持非差分码本的元件的幅度特性（例如，恒定模量特性和有限字符集约束特性）或促进天线之间的功率分配 。