公开(公告)号：US09503336B2

公开(公告)日：2016-11-22

申请号：US14158048

申请日：2014-01-17

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Mingyu Zhou ,  Yongxing Zhou ,  Xiaotao Ren ,  Liang Xia

IPC: H04L12/26 ,  H04L5/00 ,  H04L25/02 ,  H04W24/00 ,  H04W48/00 ,  H04B7/06 ,  H04W28/06

CPC classification number: H04L43/08 ,  H04B7/0626 ,  H04L5/0035 ,  H04L25/0204 ,  H04L25/0228 ,  H04L43/50 ,  H04W24/00 ,  H04W28/06 ,  H04W48/00

Abstract: This invention discloses method and apparatus for obtaining channel state information, and relates to the field of communication techniques, capable of reducing signaling and feedback overheads and lowering UE operation complexity. According to the solutions provided in embodiments of this invention, a RS predetermined transmission time and a RS predetermined frequency are transmitted to a UE by any one cell of at least two cells; each cell or cell group out of the at least two cells, according to the RS predetermined transmission time and the RS predetermined frequency, transmits a RS to the UE on different RS resources; the measurement result transmitted by the UE is received, which comprises CSI between any one cell or cell group out of at least two cells and the UE. The solutions provided in embodiments of this invention are applicable when it is required to obtain CSI between multiple cells and a UE.

Abstract translation: 本发明公开了一种获取信道状态信息的方法和装置，涉及能够减少信令和反馈开销以及降低UE操作复杂度的通信技术领域。 根据本发明实施例提供的解决方案，RS预定传输时间和RS预定频率由至少两个小区的任何一个小区发送到UE; 根据RS预定传输时间和RS预定频率在至少两个小区之外的每个小区或小区组在不同的RS资源上向UE发送RS; 接收由UE发送的测量结果，其包括至少两个小区中的任一个小区或小区组与所述UE之间的CSI。 当需要在多个小区和UE之间获得CSI时，本发明实施例中提供的解决方案是适用的。

公开(公告)号：US09461726B2

公开(公告)日：2016-10-04

申请号：US14618755

申请日：2015-02-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongxing Zhou ,  Weijun Sun

IPC: H04B7/04 ,  H04L25/03 ,  H04B7/06 ,  H04B7/10

CPC classification number: H04B7/0469 ,  H04B7/0478 ,  H04B7/0486 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0634 ,  H04B7/0639 ,  H04B7/10 ,  H04L25/0391

Abstract: A method for generating a codebook and a method and an apparatus for data transmission are provided. The method includes: receiving a label of a codeword sent by a User Equipment (UE); selecting the codeword identified by the label from the codebook for eight-antenna; and coding data to be sent by using the codeword. The codebook for eight-antenna includes at least one rank-8 codeword for eight-antenna. The rank-8 codeword for eight-antenna is generated by multiplying an inverse matrix of a rotation matrix for eight-antenna with an eight-dimensional matrix formed by rank-4 codewords for four-antenna; or generated by extending rank-4 codewords for eight-antenna, where the rank-4 codeword for eight-antenna is generated according to codewords for four-antenna. Therefore, the codeword in the codebook for eight-antenna is applicable to scenarios including dual-polarization strong correlation, dual-polarization weak correlation, single-polarization strong correlation, and single-polarization weak correlation, etc.

公开(公告)号：US09438328B2

公开(公告)日：2016-09-06

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[vejφv] T，v = [1ejθ]; 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：US20160043789A1

公开(公告)日：2016-02-11

申请号：US14923019

申请日：2015-10-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou

IPC: H04B7/04

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：US20160014778A1

公开(公告)日：2016-01-14

申请号：US14865831

申请日：2015-09-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongxing Zhou ,  Jingyuan Sun ,  David Jean-Marie Mazzarese ,  Lixia Xue ,  Xiaotao Ren

IPC: H04W72/04 ,  H04B7/06 ,  H04L12/24 ,  H04W24/06 ,  H04W74/00

CPC classification number: H04W72/0446 ,  H04B7/0626 ,  H04B17/309 ,  H04L5/0044 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0058 ,  H04L5/0078 ,  H04L5/0082 ,  H04L5/0092 ,  H04L5/0094 ,  H04L41/0803 ,  H04W24/06 ,  H04W28/20 ,  H04W74/006

Abstract: Embodiments of the present invention provide a bandwidth allocation method and apparatus, user equipment, and a base station. The method includes: receiving, by user equipment, virtual bandwidth configuration information, where the virtual bandwidth configuration information is used for indicating a configuration of a virtual bandwidth; and performing, by the user equipment, signal reception and/or signal processing according to the virtual bandwidth indicated by the virtual bandwidth configuration information, where each virtual bandwidth is a part or all of a downlink maximum available bandwidth or a downlink transmission bandwidth, and the downlink maximum available bandwidth is a maximum bandwidth available for downlink transmission. In the embodiments of the present invention, reduction of overheads and reduction of complexity of signal reception and signal processing are implemented, and overheads and complexity of signal reception and processing feedback can be flexibly controlled.

Abstract translation: 本发明的实施例提供一种带宽分配方法和装置，用户设备和基站。 该方法包括：通过用户设备接收虚拟带宽配置信息，虚拟带宽配置信息用于指示虚拟带宽的配置; 并且由用户设备根据由虚拟带宽配置信息指示的虚拟带宽执行信号接收和/或信号处理，其中每个虚拟带宽是下行链路最大可用带宽或下行链路传输带宽的一部分或全部，以及 下行链路最大可用带宽是可用于下行链路传输的最大带宽。 在本发明的实施例中，实现了开销的降低和信号接收和信号处理的复杂性的降低，并且可以灵活地控制信号接收和处理反馈的开销和复杂性。

公开(公告)号：US20160013984A1

公开(公告)日：2016-01-14

申请号：US14866104

申请日：2015-09-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jingyuan Sun ,  Lixia Xue ,  David Jean-Marie Mazzarese ,  Xiaotao Ren ,  Yongxing Zhou

IPC: H04L12/24 ,  H04W24/08

Abstract: Embodiments of the present invention provide a radio resource management (RRM) information measurement method and apparatus, and a device. The method includes determining at least one piece of configuration information used, by user equipment, for radio RRM measurement, where the configuration information includes at least one type of signal type information used for the RRM measurement, and signal combination information used for the RRM measurement, and sending the configuration information to the user equipment, so that the user equipment performs the RRM measurement according to the configuration information.

Abstract translation: 本发明的实施例提供一种无线电资源管理（RRM）信息测量方法和装置以及装置。 该方法包括：通过用户设备确定用于无线电RRM测量的至少一条配置信息，其中配置信息包括用于RRM测量的至少一种类型的信号类型信息，以及用于RRM测量的信号组合信息 并将配置信息发送给用户设备，使得用户设备根据配置信息进行RRM测量。

公开(公告)号：US09203491B2

公开(公告)日：2015-12-01

申请号：US14569522

申请日：2014-12-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianguo Wang ,  Yongxing Zhou

IPC: H04B7/02 ,  H04L1/02 ,  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.

Abstract translation: 本发明涉及一种用于确定预编码矩阵指示符的方法，用户设备UE，基站eNB和系统。 该方法包括：接收由基站发送的参考信号; 基于参考信号，从码本中选择预编码矩阵，其中包括在码本中的预编码矩阵W是两个矩阵W1和W2的乘积，其中W1是块对角矩阵，其中每个块矩阵是克罗内克积 的矩阵Ai和矩阵Bi; 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，使得基站根据PMI获得预编码矩阵。

公开(公告)号：US08971440B2

公开(公告)日：2015-03-03

申请号：US14188325

申请日：2014-02-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongxing Zhou ,  Weijun Sun

IPC: H04B7/02 ,  H04L1/02 ,  H04L25/03 ,  H04B7/04 ,  H04B7/06 ,  H04B7/10

CPC classification number: H04B7/0469 ,  H04B7/0478 ,  H04B7/0486 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0634 ,  H04B7/0639 ,  H04B7/10 ,  H04L25/0391

Abstract: A method for generating a codebook and a method and an apparatus for data transmission are provided. The method includes: receiving a label of a codeword sent by a User Equipment (UE); selecting the codeword identified by the label from the codebook for eight-antenna; and coding data to be sent by using the codeword. The codebook for eight-antenna includes at least one rank-8 codeword for eight-antenna. The rank-8 codeword for eight-antenna is generated by multiplying an inverse matrix of a rotation matrix for eight-antenna with an eight-dimensional matrix formed by rank-4 codewords for four-antenna; or generated by extending rank-4 codewords for eight-antenna, where the rank-4 codeword for eight-antenna is generated according to codewords for four-antenna. Therefore, the codeword in the codebook for eight-antenna is applicable to scenarios including dual-polarization strong correlation, dual-polarization weak correlation, single-polarization strong correlation, and single-polarization weak correlation, etc.

Abstract translation: 提供了一种生成码本的方法以及用于数据传输的方法和装置。 该方法包括：接收由用户设备（UE）发送的码字的标签; 从码本中选择由标签识别的码字用于八天线; 以及通过使用码字来发送的编码数据。 用于八天线的码本包括用于八天线的至少一个八级码字。 通过将用于八天线的旋转矩阵的逆矩阵与由四天线的秩-4码字形成的八维矩阵相乘来生成八天线的秩8码字; 或通过扩展用于八天线的秩-4码字来生成，其中根据用于四天线的码字生成用于八天线的秩-4码字。 因此，八天线码本中的码字适用于双极化强相关，双极化弱相关，单极化强相关，单极化弱相关等场景。

公开(公告)号：US08903004B2

公开(公告)日：2014-12-02

申请号：US13668747

申请日：2012-11-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongxing Zhou ,  Qiang Wu ,  Chi Gao

IPC: H04B7/02 ,  H04L1/02 ,  H04B7/10 ,  H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0469 ,  H04B7/0639 ,  H04B7/10

Abstract: A precoding processing method and user equipment are disclosed. The precoding processing method includes: selecting a codebook vector for performing precoding processing for data among a codebook set of Nt antennas, where the codebook set includes a first codebook vector   [ A B ] of a uniform linear array and a second codebook vector   [ A - B ] generated according to the first codebook vector, where A is a (Nt/2)×1 vector composed of a first half of elements of the first codebook vector, B is a (Nt/2)×1 vector composed of a last half of elements of the first codebook vector, and Nt is a positive even number; and sending an index number of the codebook vector to a base station, whereupon the base station uses the codebook vector corresponding to the index number to perform precoding processing for the data to be transmitted by the antennas. Embodiments of the present invention make the codebook set compatible with two types of antenna configuration modes.

Abstract translation: 公开了一种预编码处理方法和用户设备。 预编码处理方法包括：选择用于对Nt个天线的码本集合中的数据进行预编码处理的码本矢量，其中码本集合包括均匀线性阵列的第一码本矢量[AB]和第二码本矢量[A-B ]，其中A是由第一码本矢量的元素的前半部分组成的（Nt / 2）×1矢量，B是由后半部分组成的（Nt / 2）×1矢量 第一码本向量的元素，Nt是正偶数; 并向基站发送码本矢量的索引号，由此基站使用与索引号相对应的码本矢量，对由天线发送的数据进行预编码处理。 本发明的实施例使得码本集与两种类型的天线配置模式兼容。

公开(公告)号：US20140192744A1

公开(公告)日：2014-07-10

申请号：US14202537

申请日：2014-03-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yongxing Zhou ,  Jingyuan Sun ,  Liang Xia ,  David Mazzarese ,  Mingyu Zhou ,  Xiaotao Ren ,  Jiayin Zhang

IPC: H04L5/00 ,  H04W24/08

CPC classification number: H04L5/0073 ,  H04B7/024 ,  H04B7/0626 ,  H04L5/0032 ,  H04W24/08 ,  H04W72/1226

Abstract: Embodiments of the present invention provide a method and an apparatus for coordinated multi-node transmission The method includes: acquiring, by a user equipment, channel state indicator information of each coordinating node; feeding back, by the user equipment, all information or a part of information in the acquired channel state indicator information to a base station, so that each coordinating node performs, according to the channel state indicator information that has been fed back, scheduling on the user equipment and/or one or more other user equipments served by each coordinating node; and if the user equipment is scheduled, receiving, by the user equipment, scheduling result notification information sent by the base station, and receiving, by the user equipment according to the scheduling result notification information, data transmitted by a base station that corresponds to a coordinating node serving the user equipment. The present invention is applicable to a radio communications system.

Abstract translation: 本发明的实施例提供了一种用于协调多节点传输的方法和装置。该方法包括：通过用户设备获取每个协调节点的信道状态指示符信息; 由用户设备将所获取的信道状态指示符信息中的所有信息或部分信息反馈给基站，使得每个协调节点根据已经反馈的信道状态指示符信息执行对 用户设备和/或由每个协调节点服务的一个或多个其他用户设备; 并且如果所述用户设备被调度，则由所述用户设备接收由所述基站发送的调度结果通知信息，并且由所述用户设备根据所述调度结果通知信息接收由基站发送的对应于 为用户设备提供协调节点。 本发明可应用于无线电通信系统。