公开(公告)号：US09930672B2

公开(公告)日：2018-03-27

申请号：US14941939

申请日：2015-11-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Guanglin Han ,  Chen Chi ,  Jianguo Wang

IPC: H04W72/04 ,  H04L25/03 ,  H04L12/18 ,  H04W72/00 ,  H04W72/12

CPC classification number: H04W72/0466 ,  H04L12/18 ,  H04L25/03866 ,  H04W72/005 ,  H04W72/12

Abstract: The present invention discloses a service data scrambling method, a service data descrambling method, an apparatus, and a system, and relates to the communications field. The service data scrambling method includes: receiving service data; using a service characteristic corresponding to the service data as a part of a scrambling parameter; generating a scrambling sequence according to the scrambling parameter; scrambling the service data according to the scrambling sequence; and sending the service data. According to the present invention, it is resolved that relatively great interference is generated when multiple pieces of different service data are simultaneously transmitted in a same service area, and achieving an effect that interference between different service data sent simultaneously in the same service area can be reduced to a great extent.

公开(公告)号：US09923687B2

公开(公告)日：2018-03-20

申请号：US14973975

申请日：2015-12-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Jianghua Liu ,  Yongxing Zhou

IPC: H04L5/00 ,  H04B17/309 ,  H04L1/00

CPC classification number: H04L5/0048 ,  H04B17/309 ,  H04L1/0026 ,  H04L5/0023

Abstract: A method and an apparatus for measuring communication quality are disclosed. The method includes: acquiring reference signal resource configuration information, where the reference signal resource configuration information at least includes: reference signal port configuration information, and reference signal power information of at least one port group; or the reference signal resource configuration information at least includes: reference signal port configuration information, and a ratio of a power of a data channel in at least one port group to a power of a reference signal; and sending the acquired reference signal resource configuration information to user equipment. Therefore, in a multi-antenna system, accurate signal quality measurement information is acquired, or more accurate channel state information is acquired.

公开(公告)号：US20180069609A1

公开(公告)日：2018-03-08

申请号：US15808318

申请日：2017-11-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou ,  Jianghua Liu

IPC: H04B7/0456 ,  H04B7/06

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 abase 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：US09608708B2

公开(公告)日：2017-03-28

申请号：US14883334

申请日：2015-10-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou ,  Jianghua Liu

IPC: H04B7/02 ,  H04B7/06 ,  H04B7/08 ,  H04B7/04 ,  H04B7/0456 ,  H04B7/0417

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：US09571243B2

公开(公告)日：2017-02-14

申请号：US14167757

申请日：2014-01-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou

IPC: H04L5/00 ,  H04B7/06 ,  H04B7/02 ,  H04L1/00

CPC classification number: H04L5/0032 ,  H04B7/024 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04L1/0026 ,  H04L1/0073 ,  H04L5/0035

Abstract: The present invention relates to the field of communications technologies and provides a multi-antenna transmission method and apparatus, which can reduce interference and improve system throughput. In the solutions provided in embodiments of the present invention, a reference signal RS configuration set sent by an eNB is received, CSI corresponding to each RS configuration in the RS configuration set is acquired based on the RS configuration set, the CSI set is sent to the eNB, then a signal sent by the eNB according to the CSI set is received, and data processing is performed. The solutions provided in the embodiments of the present invention apply to multi-antenna signal transmission.

Abstract translation: 本发明涉及通信技术领域，并且提供可以减少干扰并提高系统吞吐量的多天线传输方法和装置。 在本发明实施例提供的解决方案中，接收到由eNB发送的参考信号RS配置集，基于RS配置集获取与RS配置集中的每个RS配置对应的CSI，CSI集合被发送到 eNB接收由eNB根据CSI集发送的信号，进行数据处理。 本发明实施例中提供的解决方案适用于多天线信号传输。

公开(公告)号：US09554394B2

公开(公告)日：2017-01-24

申请号：US14724953

申请日：2015-05-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yue Li ,  Jianguo Wang

IPC: H04W72/12 ,  H04W4/00 ,  H04B7/04 ,  H04L25/03 ,  H04L1/18 ,  H04B7/06

CPC classification number: H04W72/12 ,  H04B7/0404 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0634 ,  H04L1/1887 ,  H04L1/1896 ,  H04L25/0391 ,  H04W4/80

Abstract: The present invention provides an uplink MU-MIMO method. The method includes: sending, by a user equipment, a sounding reference signal to a base station, so that the base station constructs a precoding matrix according to the sounding reference signal, and generates a first scheduling message according to the precoding matrix; receiving the first scheduling message sent by the base station, where the first scheduling message includes a layer mapping rule and the precoding matrix; generating at least one MAC packet data unit MAC PDU according to the first scheduling message, and sending the MAC PDU, so that multiple user equipments exchange the MAC PDUs; generating an uplink signal after the MAC PDU is processed in various layers; and sending, by using an antenna, the uplink signal to the base station. The present invention greatly improves uplink spectral efficiency of a system.

Abstract translation: 本发明提供一种上行MU-MIMO方法。 该方法包括：由用户设备向基站发送探测参考信号，使得基站根据探测参考信号构建预编码矩阵，并根据预编码矩阵生成第一调度消息; 接收由基站发送的第一调度消息，其中第一调度消息包括层映射规则和预编码矩阵; 根据第一调度消息生成至少一个MAC分组数据单元MAC PDU，并发送MAC PDU，使得多个用户设备交换MAC PDU; 在各层处理MAC PDU之后生成上行链路信号; 以及通过使用天线将所述上行链路信号发送到所述基站。 本发明大大提高了系统的上行频谱效率。

公开(公告)号：US20160036507A1

公开(公告)日：2016-02-04

申请号：US14883334

申请日：2015-10-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou ,  Jianghua Liu

IPC: H04B7/04 ,  H04B7/06

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.

Abstract translation: 本发明的实施例提供一种方法，包括：接收由基站发送的参考信号; 基于参考信号选择来自码本的预编码矩阵，其中包括在码本中的预编码矩阵w是三个矩阵的乘积，即W1，Z和W2，即W = W1ZW2，其中W1和Z 是块对角矩阵，W1 =公式（I），Z =公式（II），W1和Z中的每一个包括至少一个块矩阵，即NB≥1，并且每个块矩阵Zi的每列 矩阵Z具有以下结构式（III）; 并向基站发送预编码矩阵指示符（PMI），其中PMI对应于所选择的预编码矩阵，并且由基站使用以根据PMI获得所选择的预编码矩阵w。

公开(公告)号：US09209877B2

公开(公告)日：2015-12-08

申请号：US14588755

申请日：2015-01-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou

IPC: H04B7/04 ,  H04L1/06

CPC classification number: H04B7/0465 ,  H04B7/0478 ,  H04L1/06 ,  H04W72/042 ,  H04W72/046

Abstract: The present disclosure discloses a method, a user equipment and a base station for determining a PMI. The method includes: receiving a reference signal set sent by a base station; based on the reference signal set, selecting a precoding matrix from a codebook, the codebook at least including a non-constant modulus precoding matrix, the non-constant modulus precoding matrix at least including a non-constant modulus column vector, amplitude values of at least two elements of the non-constant modulus column vector forming a symmetrical sequence; and sending a PMI to the base station, the PMI corresponding to the selected precoding matrix. According to the method, the user equipment and the base station for determining PMI, because the non-constant modulus precoding matrix included in the adopted codebook can adjust the shape of a beam, antennas may focus power on a hotspot region, and thus a load balance may be effectively realized.

Abstract translation: 本公开公开了一种用于确定PMI的方法，用户设备和基站。 该方法包括：接收由基站发送的参考信号集; 基于所述参考信号集合，从码本中选择预编码矩阵，所述码本至少包括非常数模数预编码矩阵，所述非常数模数预编码矩阵至少包括非恒模列列向量， 形成对称序列的非恒模列向量的至少两个元素; 以及向所述基站发送PMI，所述PMI与所选择的预编码矩阵相对应。 根据该方法，用于确定PMI的用户设备和基站，由于采用的码本中包含的非恒定模数预编码矩阵可以调整波束的形状，所以天线可将焦点集中在热点区域上，从而负载 平衡可以有效地实现。

公开(公告)号：US20150304008A1

公开(公告)日：2015-10-22

申请号：US14753490

申请日：2015-06-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou ,  Leiming Zhang

IPC: H04B7/06

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 a base 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.

Abstract translation: 本发明的实施例提供了一种用于反馈信道状态信息，用户设备和基站的方法，以提高信道状态信息的反馈精度。 该方法包括：接收由基站发送的参考信号; 根据参考信号从码本中选择预编码矩阵W，其中预编码矩阵W的列向量可以表示为α[v ej＆phgr; v] T，v = [1 ej＆thetas;]; 并向基站发送预编码矩阵指示符PMI，其中PMI对应于所选择的预编码矩阵W.本发明可以进一步提高量化精度并实现开销和量化精度之间的平衡。 基站根据反馈预编码矩阵指示符对发送的信号进行预编码，这可以提高预编码精度，从而提高数据传输速率和系统吞吐量。

公开(公告)号：US20150200757A1

公开(公告)日：2015-07-16

申请号：US14669892

申请日：2015-03-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yong Wu ,  Jianguo Wang

IPC: H04L5/00 ,  H04B7/06

CPC classification number: H04L5/0048 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0619 ,  H04B7/0626 ,  H04B7/0658 ,  H04B7/066 ,  H04B7/0663

Abstract: Embodiments of the present invention relate to a method and an apparatus for feeding back a CSI-RS resource combination, a user equipment, and a base station. The method includes: acquiring information of a CSI-RS resource combination; determining a candidate CSI-RS resource combination according to the information of the CSI-RS resource combination, and performing a joint CSI measurement according to one or more sets of CSI-RS resources in the candidate CSI-RS resource combination, so as to select a CSI-RS resource combination according to a measurement result of the joint CSI measurement; and feeding back the selected CSI-RS resource combination and the measurement result of the joint CSI measurement corresponding to the selected CSI-RS resource combination to a base station.

Abstract translation: 本发明的实施例涉及一种用于反馈CSI-RS资源组合，用户设备和基站的方法和装置。 该方法包括：获取CSI-RS资源组合的信息; 根据CSI-RS资源组合的信息确定候选CSI-RS资源组合，并根据候选CSI-RS资源组合中的一组或多组CSI-RS资源执行联合CSI测量，以便选择 根据联合CSI测量的测量结果的CSI-RS资源组合; 并将所选择的CSI-RS资源组合和对应于所选择的CSI-RS资源组合的联合CSI测量的测量结果反馈给基站。