公开(公告)号：US08483306B2

公开(公告)日：2013-07-09

申请号：US13259667

申请日：2010-06-30

申请人： Yijian Chen ,  Guanghui Yu ,  Bo Dai ,  Xun Yang

发明人： Yijian Chen ,  Guanghui Yu ,  Bo Dai ,  Xun Yang

IPC分类号： H04B7/02 ,  H04L1/02

CPC分类号： H04L1/0029 ,  H04B7/0639 ,  H04L1/06 ,  H04L25/03923

摘要： A pre-coding method and system and a method for constructing pre-coding codebook are disclosed, including: a transmitting end and a receiving end storing information of a pre-coding codebook together, the receiving end selecting a codeword from the pre-coding codebook according to an estimated channel matrix and feeding back a serial number of the codeword to the transmitting end, and the transmitting end finding out the codeword according to the serial number and pre-coding, by using the codeword, a symbol block sent to the receiving end; wherein, at least eight codeword vectors or column vectors in at least eight codeword matrixes in the pre-coding codebook are obtained based on 8-dimensional vectors selected from a 8-dimensional vector set, and this 8-dimensional vector set is obtained by calculating from the part or all of 4-dimensional vectors in u1, u2, u3, u4, u5, u6, u7, u8, s, m, n.

摘要翻译： 公开了一种用于构建预编码码本的预编码方法和系统及方法，包括：发送端和接收端一起存储预编码码本的信息，接收端从预编码码本中选择码字 根据估计的信道矩阵并将码字的序列号反馈到发送端，并且发送端通过使用码字来根据序列号和预编码找出码字，发送到接收端的符号块 结束; 其中，基于从8维向量集合中选择的8维向量获得预编码码本中的至少8个码字矩阵中的至少8个码字向量或列向量，并且该8维向量集是通过计算 从u1，u2，u3，u4，u5，u6，u7，u8，s，m，n的4维向量的部分或全部。

公开(公告)号：US20120134434A1

公开(公告)日：2012-05-31

申请号：US13259667

申请日：2010-06-30

申请人： Yijian Chen ,  Guanghui Yu ,  Bo Dai ,  Xun Yang

发明人： Yijian Chen ,  Guanghui Yu ,  Bo Dai ,  Xun Yang

IPC分类号： H04L25/49 ,  H04B7/02

CPC分类号： H04L1/0029 ,  H04B7/0639 ,  H04L1/06 ,  H04L25/03923

摘要： A pre-coding method and system and a method for constructing pre-coding codebook are disclosed, including: a transmitting end and a receiving end storing information of a pre-coding codebook together, the receiving end selecting a codeword from the pre-coding codebook according to an estimated channel matrix and feeding back a serial number of the codeword to the transmitting end, and the transmitting end finding out the codeword according to the serial number and pre-coding, by using the codeword, a symbol block sent to the receiving end; wherein, at least eight codeword vectors or column vectors in at least eight codeword matrixes in the pre-coding codebook are obtained based on 8-dimensional vectors selected from a 8-dimensional vector set, and this 8-dimensional vector set is obtained by calculating from the part or all of 4-dimensional vectors in u1, u2, u3, u4, u5, u6, u7, u8, s, m, n.

摘要翻译： 公开了一种用于构建预编码码本的预编码方法和系统及方法，包括：发送端和接收端一起存储预编码码本的信息，接收端从预编码码本中选择码字 根据估计的信道矩阵并将码字的序列号反馈到发送端，并且发送端通过使用码字来根据序列号和预编码找出码字，发送到接收端的符号块 结束; 其中，基于从8维向量集合中选择的8维向量获得预编码码本中的至少8个码字矩阵中的至少8个码字向量或列向量，并且该8维向量集是通过计算 从u1，u2，u3，u4，u5，u6，u7，u8，s，m，n的4维向量的部分或全部。

公开(公告)号：US08654727B2

公开(公告)日：2014-02-18

申请号：US13257847

申请日：2009-12-30

申请人： Bo Dai ,  Guanghui Yu ,  Weijun Li ,  Xun Yang

发明人： Bo Dai ,  Guanghui Yu ,  Weijun Li ,  Xun Yang

IPC分类号： H04W4/00

CPC分类号： H04L5/0048 ,  G01S1/20 ,  H04L5/005 ,  H04L27/2613 ,  H04W64/00

摘要： The present disclosure provides a method and system for transmitting a position reference signal, which includes: acquiring a currently needed Position Reference Signal (PRS) sequence with a length of 2×NRBPRS, wherein NRBPRS is the PRS bandwidth configured by high layer signaling, which is represented by a unit of a resource block; determining the position of the PRS sequence in a physical resource block; and transmitting the acquired PRS sequence on the determined position. With the method of the present disclosure, a currently needed PRS sequence is acquired directly, or at first, a PRS sequence with the maximum length is generated, and then the currently needed PRS sequence is intercepted from the PRS sequence with the maximum length. The present disclosure ensures that an effective PRS sequence can be acquired in any circumstance, thereby ensuring the realization of the positioning function of the PRS.

摘要翻译： 本公开提供了一种用于发送位置参考信号的方法和系统，其包括：获取具有2×NRBPRS长度的当前所需的位置参考信号（PRS）序列，其中NRBPRS是由高层信令配置的PRS带宽，其中 由资源块的单位表示; 确定物理资源块中PRS序列的位置; 以及在所确定的位置上传送所获取的PRS序列。 利用本公开的方法，直接获取当前需要的PRS序列，或者首先生成具有最大长度的PRS序列，然后从具有最大长度的PRS序列截取当前所需的PRS序列。 本公开确保在任何情况下可以获得有效的PRS序列，从而确保实现PRS的定位功能。

公开(公告)号：US20120093101A1

公开(公告)日：2012-04-19

申请号：US13257847

申请日：2009-12-30

申请人： Bo Dai ,  Guanghui Yu ,  Weijun Li ,  Xun Yang

发明人： Bo Dai ,  Guanghui Yu ,  Weijun Li ,  Xun Yang

IPC分类号： H04B7/208 ,  H04W72/04 ,  H04W8/00

CPC分类号： H04L5/0048 ,  G01S1/20 ,  H04L5/005 ,  H04L27/2613 ,  H04W64/00

摘要： The present disclosure provides a method and system for transmitting a position reference signal, which includes: acquiring a currently needed Position Reference Signal (PRS) sequence with a length of 2×NRBPRS, wherein NRBPRS is the PRS bandwidth configured by high layer signaling, which is represented by a unit of a resource block; determining the position of the PRS sequence in a physical resource block; and transmitting the acquired PRS sequence on the determined position. With the method of the present disclosure, a currently needed PRS sequence is acquired directly, or at first, a PRS sequence with the maximum length is generated, and then the currently needed PRS sequence is intercepted from the PRS sequence with the maximum length. The present disclosure ensures that an effective PRS sequence can be acquired in any circumstance, thereby ensuring the realization of the positioning function of the PRS.

摘要翻译： 本公开提供了一种用于发送位置参考信号的方法和系统，其包括：获取具有2×NRBPRS长度的当前所需的位置参考信号（PRS）序列，其中NRBPRS是由高层信令配置的PRS带宽，其中 由资源块的单位表示; 确定物理资源块中PRS序列的位置; 以及在所确定的位置上传送所获取的PRS序列。 利用本公开的方法，直接获取当前需要的PRS序列，或者首先生成具有最大长度的PRS序列，然后从具有最大长度的PRS序列截取当前所需的PRS序列。 本公开确保在任何情况下可以获得有效的PRS序列，从而确保实现PRS的定位功能。

公开(公告)号：US09014288B2

公开(公告)日：2015-04-21

申请号：US13817831

申请日：2011-06-15

申请人： Yijian Chen ,  Yu Ngok Li ,  Shupeng Li ,  Jun Xu ,  Xun Yang

发明人： Yijian Chen ,  Yu Ngok Li ,  Shupeng Li ,  Jun Xu ,  Xun Yang

IPC分类号： H04B7/02 ,  H04B7/04 ,  H04L25/03 ,  H04L1/00 ,  H04L5/00

CPC分类号： H04B7/0417 ,  H04B7/0469 ,  H04L1/0026 ,  H04L1/0028 ,  H04L5/0023 ,  H04L5/0057 ,  H04L25/03898 ,  H04L25/03949

摘要： A method and system for acquiring channel information are disclosed in the present document, wherein the method includes: a base station and a User Equipment (UE) jointly saving a first codebook and at least a second codebook, and the first codebook being used for channel information quantization in various scenarios; the UE performing feedback of at least 2 Precoding Matrix Indicators (PMIs) to the base station, wherein, one PMI corresponds to one code word in the first codebook, all the other PMIs respectively correspond to different code words in a second codebook used currently, and all the code words corresponding to the fed back PMIs are used for representing channel information of one or multiple or all subbands; and after receiving the PMIs fed back from the UE, the base station finding corresponding code words from the first codebook and the second codebook used currently, and acquiring the channel information.

摘要翻译： 本文中公开了一种用于获取频道信息的方法和系统，其中所述方法包括：基站和用户设备（UE）共同保存第一码本和至少第二码本，并且所述第一码本用于信道 各种场景中的信息量化; UE向基站执行至少2个预编码矩阵指示符（PMI）的反馈，其中，一个PMI对应于第一码本中的一个码字，所有其他PMI分别对应于当前使用的第二码本中的不同码字， 对应于反馈PMI的所有码字用于表示一个或多个或所有子带的信道信息; 并且在接收到从UE反馈的PMI之后，基站从当前使用的第一码本和第二码本中找到对应的码字，并获取频道信息。

公开(公告)号：US08798185B2

公开(公告)日：2014-08-05

申请号：US13577789

申请日：2010-10-22

申请人： Yijian Chen ,  Wu Yin ,  Yu Ngok Li ,  Jun Xu ,  Xun Yang

发明人： Yijian Chen ,  Wu Yin ,  Yu Ngok Li ,  Jun Xu ,  Xun Yang

IPC分类号： H04B7/02 ,  H04B7/06 ,  H04L1/00

CPC分类号： H04L1/0025 ,  H04B7/063 ,  H04B7/0645 ,  H04L25/03898

摘要： The present invention discloses a method for Multiple Input Multiple Output (MIMO) channel information feedback, and the method includes: a terminal selecting part of column vectors for MIMO system feedback from a codebook matrix W corresponding to a Precoding Matrix Indicator (PMI) and marking the selected part of column vectors as Wpart; the terminal determining information O which represents high-precision vector quantification information of MIMO along with the part of column vectors Wpart according to a common representation relationship F, and feeding back the information O to a base station. The present invention also discloses a terminal and a base station which support MIMO. The present invention achieves high-precision and low-overhead channel information feedback and can well support multiple vector feedback needed by high rank (more layer multiplexing) MIMO transmission and high-precision feedback needed by low rank MIMO transmission simultaneously.

摘要翻译： 本发明公开了一种多输入多输出（MIMO）信道信息反馈的方法，该方法包括：从对应于预编码矩阵指示符（PMI）的码本矩阵W中选择一部分用于MIMO系统反馈的列向量， 所选的部分列向量为Wpart; 终端确定信息O，其表示MIMO的高精度矢量量化信息以及根据公共表示关系F的列向量Wpart的一部分，并将信息O反馈到基站。 本发明还公开了一种支持MIMO的终端和基站。 本发明实现了高精度和低开销的信道信息反馈，并且可以很好地支持高秩（多层复用）MIMO传输和低秩MIMO传输所需的高精度反馈所需的多向量反馈。

公开(公告)号：US20120300868A1

公开(公告)日：2012-11-29

申请号：US13577789

申请日：2010-10-22

申请人： Yijian Chen ,  Wu Yin ,  Yu Ngok Li ,  Jun Xu ,  Xun Yang

发明人： Yijian Chen ,  Wu Yin ,  Yu Ngok Li ,  Jun Xu ,  Xun Yang

IPC分类号： H04B7/06

CPC分类号： H04L1/0025 ,  H04B7/063 ,  H04B7/0645 ,  H04L25/03898

摘要： The present invention discloses a method for Multiple Input Multiple Output (MIMO) channel information feedback, and the method includes: a terminal selecting part of column vectors for MIMO system feedback from a codebook matrix W corresponding to a Precoding Matrix Indicator (PMI) and marking the selected part of column vectors as Wpart; the terminal determining information O which represents high-precision vector quantification information of MIMO along with the part of column vectors Wpart according to a common representation relationship F, and feeding back the information O to a base station. The present invention also discloses a terminal and a base station which support MIMO. The present invention achieves high-precision and low-overhead channel information feedback and can well support multiple vector feedback needed by high rank (more layer multiplexing) MIMO transmission and high-precision feedback needed by low rank MIMO transmission simultaneously.

摘要翻译： 本发明公开了一种多输入多输出（MIMO）信道信息反馈的方法，该方法包括：从对应于预编码矩阵指示符（PMI）的码本矩阵W中选择一部分用于MIMO系统反馈的列向量， 所选的部分列向量为Wpart; 终端确定信息O，其表示MIMO的高精度矢量量化信息以及根据公共表示关系F的列向量Wpart的一部分，并将信息O反馈到基站。 本发明还公开了一种支持MIMO的终端和基站。 本发明实现了高精度和低开销的信道信息反馈，并且可以很好地支持高秩（多层复用）MIMO传输和低秩MIMO传输所需的高精度反馈所需的多向量反馈。

公开(公告)号：US20130202057A1

公开(公告)日：2013-08-08

申请号：US13817831

申请日：2011-06-15

申请人： Yijian Chen ,  Yu Ngok Li ,  Shupeng Li ,  Jun Xu ,  Xun Yang

发明人： Yijian Chen ,  Yu Ngok Li ,  Shupeng Li ,  Jun Xu ,  Xun Yang

IPC分类号： H04B7/04

CPC分类号： H04B7/0417 ,  H04B7/0469 ,  H04L1/0026 ,  H04L1/0028 ,  H04L5/0023 ,  H04L5/0057 ,  H04L25/03898 ,  H04L25/03949

摘要： A method and system for acquiring channel information are disclosed in the present document, wherein the method includes: a base station and a User Equipment (UE) jointly saving a first codebook and at least a second codebook, and the first codebook being used for channel information quantization in various scenarios; the UE performing feedback of at least 2 Precoding Matrix Indicators (PMIs) to the base station, wherein, one PMI corresponds to one code word in the first codebook, all the other PMIs respectively correspond to different code words in a second codebook used currently, and all the code words corresponding to the fed back PMIs are used for representing channel information of one or multiple or all subbands; and after receiving the PMIs fed back from the UE, the base station finding corresponding code words from the first codebook and the second codebook used currently, and acquiring the channel information.

摘要翻译： 本文中公开了一种用于获取频道信息的方法和系统，其中所述方法包括：基站和用户设备（UE）共同保存第一码本和至少第二码本，并且所述第一码本用于信道 各种场景中的信息量化; UE向基站执行至少2个预编码矩阵指示符（PMI）的反馈，其中，一个PMI对应于第一码本中的一个码字，所有其他PMI分别对应于当前使用的第二码本中的不同码字， 对应于反馈PMI的所有码字用于表示一个或多个或所有子带的信道信息; 并且在接收到从UE反馈的PMI之后，基站从当前使用的第一码本和第二码本中找到对应的码字，并获取频道信息。

公开(公告)号：US08340198B2

公开(公告)日：2012-12-25

申请号：US13352349

申请日：2012-01-18

申请人： Gong Zhang ,  Yi Long ,  Lujia Pan ,  Yunbo Li ,  Cheng He ,  Xun Yang

发明人： Gong Zhang ,  Yi Long ,  Lujia Pan ,  Yunbo Li ,  Cheng He ,  Xun Yang

IPC分类号： H04L25/08 ,  H04W24/00 ,  H04B1/10

CPC分类号： H04B7/024 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0073 ,  H04L25/03343 ,  H04L2025/03426

摘要： A preprocessing method for cooperative communication and a base station and a system for executing the method are provided. The method includes: obtaining a common base station group from a cooperative base station group of a user terminal, in which the common base station group includes a set of base stations providing a cooperative service for other user terminals in the cooperative base station group; and calculating a first precoding matrix of the user terminal according to the common base station group, in which the first precoding matrix is used to perform elimination preprocessing on interference from the user to other user terminals served by the common base station group. The method reduces Multi-User Interference (MUI).

摘要翻译： 提供了一种用于协同通信的预处理方法以及用于执行该方法的基站和系统。 该方法包括：从用户终端的协作基站组获取公共基站组，其中，所述公共基站组包括：在所述协作基站组中为其他用户终端提供协作服务的一组基站; 以及根据所述公共基站组计算所述用户终端的第一预编码矩阵，其中，所述第一预编码矩阵用于对所述用户对由所述公共基站组服务的其他用户终端的干扰执行消除预处理。 该方法减少了多用户干扰（MUI）。

公开(公告)号：US20120230264A1

公开(公告)日：2012-09-13

申请号：US13339171

申请日：2011-12-28

申请人： Gong Zhang ,  Xun Yang ,  Cheng He ,  Lujia Pan ,  Dayang Feng

发明人： Gong Zhang ,  Xun Yang ,  Cheng He ,  Lujia Pan ,  Dayang Feng

IPC分类号： H04W72/04

CPC分类号： H04W28/16 ,  H04W48/16 ,  H04W72/04 ,  H04W76/00 ,  H04W88/08

摘要： A method, an apparatus and a system for cooperative resources scheduling and cooperative communication are provided. The method for cooperative resources includes: obtaining, by a network central controller, statistical information of all the users dominated by it in a first time period, dividing base stations to base station cooperative clusters according to the statistical information, and transmitting cooperative cluster dividing result to the base stations. The corresponding method and apparatus for cooperative communication are also provided. The solutions of the embodiments of the present disclosure can increase the transmission rate and user experience for the users at the edge of the cooperative cluster, and improve the fairness of the system users, while reducing the signaling overhead of the system, separating the computational tasks and reducing the difficulty of implementing the whole system.

摘要翻译： 提供了一种用于协作资源调度和协作通信的方法，装置和系统。 合作资源的方法包括：由网络中央控制器获取在第一时间内由其主导的所有用户的统计信息，根据统计信息将基站分配给基站协作簇，并发送协作簇分割结果 到基站。 还提供了用于协作通信的相应方法和装置。 本公开的实施例的解决方案可以增加协作集群边缘的用户的传输速率和用户体验，并提高系统用户的公平性，同时减少系统的信令开销，分离计算任务 降低实施整个系统的难度。