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：US20130136065A1

公开(公告)日：2013-05-30

申请号：US13260029

申请日：2010-10-19

申请人： Yijian Chen ,  Jun Xu ,  Yu Ngok Li ,  Junfeng Zhang

发明人： Yijian Chen ,  Jun Xu ,  Yu Ngok Li ,  Junfeng Zhang

IPC分类号： H04W72/06

CPC分类号： H04W72/06 ,  H04B7/0417 ,  H04B7/0469 ,  H04B7/0486 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0639 ,  H04B7/0645 ,  H04L1/0031 ,  H04L25/03923 ,  H04L25/03949 ,  H04L2025/03808

摘要： A method and device for acquiring channel information are disclosed in the present invention, to solve a technical problem in the related art that the channel information cannot be fed back flexibly according to requirements. The method includes: for one subband, User Equipment (UE) acquires Rank Indicator (RI) information of a current channel, in which the RI information indicates a rank (ν) of the current channel, and ν is a positive integral number not greater than 8; the user equipment determines the quantity of the Precoding Matrix Indicator (PMI) information required to be fed back to a base station according to ν, and transmits the PMI information in said quantity and the RI information to the base station; the base station acquires the channel information of said subband according to the PMI information in said quantity and said RI information.

摘要翻译： 在本发明中公开了一种获取信道信息的方法和装置，为了解决现有技术中的技术问题，不能根据需要灵活地反馈信道信息。 该方法包括：对于一个子带，用户设备（UE）获取当前信道的秩指示符（RI）信息，其中RI信息指示当前信道的秩（nu），并且nu是不大于正整数 比8; 用户设备根据nu确定需要反馈给基站的预编码矩阵指示符（PMI）信息的数量，并将所述数量的PMI信息和RI信息发送给基站; 基站根据所述量的PMI信息和所述RI信息获取所述子带的信道信息。

公开(公告)号：US08903005B2

公开(公告)日：2014-12-02

申请号：US13817179

申请日：2011-07-15

申请人： Yijian Chen ,  Yu Ngok Li ,  Jun Xu ,  Shupeng Li ,  Junfeng Zhang

发明人： Yijian Chen ,  Yu Ngok Li ,  Jun Xu ,  Shupeng Li ,  Junfeng Zhang

IPC分类号： H04B7/02 ,  H04B7/06 ,  H04L25/03 ,  H04B7/04

CPC分类号： H04B7/0417 ,  H04B7/063 ,  H04B7/0639 ,  H04L25/03343

摘要： The present invention discloses a method for sending channel information, and a terminal, a base station and an LTE-A system. The method comprises: a mobile terminal acquiring channel information; determining, in a codebook space, an RI and a PMI corresponding to the channel information according to the channel information; and sending the RI and the PMI to a base station. By way of the present invention, the effects of improving the throughput of an LTE-A system and the frequency spectrum efficiency thereof are achieved.

摘要翻译： 本发明公开了一种发送信道信息的方法，以及终端，基站和LTE-A系统。 该方法包括：移动终端获取信道信息; 在码本空间中，根据所述信道信息确定与所述信道信息相对应的RI和PMI; 并将RI和PMI发送到基站。 通过本发明，可以实现提高LTE-A系统的吞吐量及其频谱效率的效果。

公开(公告)号：US08830932B2

公开(公告)日：2014-09-09

申请号：US13260029

申请日：2010-10-19

申请人： Yijian Chen ,  Jun Xu ,  Yu Ngok Li ,  Junfeng Zhang

发明人： Yijian Chen ,  Jun Xu ,  Yu Ngok Li ,  Junfeng Zhang

IPC分类号： H04W4/02 ,  H04W72/12 ,  H04W36/20 ,  H04W40/16 ,  H04W16/10 ,  H04W40/38 ,  H04W72/06 ,  H04L1/00 ,  H04L25/03 ,  H04B7/06 ,  H04B7/04

CPC分类号： H04W72/06 ,  H04B7/0417 ,  H04B7/0469 ,  H04B7/0486 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0639 ,  H04B7/0645 ,  H04L1/0031 ,  H04L25/03923 ,  H04L25/03949 ,  H04L2025/03808

摘要： A method and device for acquiring channel information are disclosed in the present invention, to solve a technical problem in the related art that the channel information cannot be fed back flexibly according to requirements. The method includes: for one subband, User Equipment (UE) acquires Rank Indicator (RI) information of a current channel, in which the RI information indicates a rank (ν) of the current channel, and ν is a positive integral number not greater than 8; the user equipment determines the quantity of the Precoding Matrix Indicator (PMI) information required to be fed back to a base station according to ν, and transmits the PMI information in said quantity and the RI information to the base station; the base station acquires the channel information of said subband according to the PMI information in said quantity and said RI information.

摘要翻译： 在本发明中公开了一种获取信道信息的方法和装置，为了解决现有技术中的技术问题，不能根据需要灵活地反馈信道信息。 该方法包括：对于一个子带，用户设备（UE）获取当前信道的秩指示符（RI）信息，其中RI信息指示当前信道的秩（＆ngr），并且＆ngr; 是不大于8的正整数; 用户设备根据＆ngr确定需要反馈给基站的预编码矩阵指示符（PMI）信息的数量，并将所述数量的PMI信息和RI信息发送给基站; 基站根据所述量的PMI信息和所述RI信息获取所述子带的信道信息。

公开(公告)号：US08532218B2

公开(公告)日：2013-09-10

申请号：US13505866

申请日：2011-08-01

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

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

IPC分类号： H04B7/02 ,  H04L1/02 ,  H04L27/00

CPC分类号： H04B7/0626 ,  H04B7/0639

摘要： A method and terminal for feeding back channel status information, include: when the channel status information is fed back on the physical uplink control channel, code words contained in the used codebook CPUCCH(r) with a layer number or rank being r is a subset of the code words contained in the codebook CPUSCH(r) with a layer number or rank being r in the overall codebook defined in the LTE-A; wherein, the CPUCCH(r) is a single codebook or a single codebook equivalent to dual codebooks; and the CPUSCH(r) is a single codebook or a single codebook equivalent to the dual codebooks; and the single codebook equivalent to the dual codebooks refers to an actually defined single codebook in which 2 pre-coding matrix identifiers are required to determine the codebook of the code words therein for an established r.

摘要翻译： 用于反馈信道状态信息的方法和终端包括：当在物理上行链路控制信道上反馈信道状态信息时，包含在层编号或等级为r的使用码本CPUCCH（r）中的码字是子集 在LTE-A中定义的整体码本中，层号或等级为r的码本CPUSCH（r）中包含的码字中的码字; 其中，CPUCCH（r）是与双码本相当的单码本或单码本; 并且CPUSCH（r）是与双码本相当的单个码本或单个码本; 并且与双码本相当的单码本是指实际定义的单码本，其中需要2个预编码矩阵标识符来确定其中的代码字的码本以建立r。

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：US20120224652A1

公开(公告)日：2012-09-06

申请号：US13505866

申请日：2011-08-01

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

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

IPC分类号： H04B15/00 ,  H04B1/02

CPC分类号： H04B7/0626 ,  H04B7/0639

摘要： The present invention discloses a method and terminal for feeding back channel status information, including: when the channel status information is fed back on the physical uplink control channel, code words contained in the used codebook CPUCCH (r) with a layer number or rank being r is a subset of the code words contained in the codebook CPUSCH (r) with a layer number or rank being r in the overall codebook defined in the LTE-A; wherein, the CPUCCH (r) is a single codebook or a single codebook equivalent to dual codebooks; and the CPUSCH (r) is a single codebook or a single codebook equivalent to the dual codebooks; and the single codebook equivalent to the dual codebooks means that the actually used codebook is an actually defined single codebook, however, 2 pre-coding matrix identifiers are required to determine the codebook of the code words therein for an established r. The method described by the present invention can ensure the precision of the PMI feedback under the limited overhead, make the CSI feedback on the PUCCH still be able to more effectively support the pre-coding technology and have good compatibility with the feedback on the PUSCH.

摘要翻译： 本发明公开了一种用于反馈信道状态信息的方法和终端，包括：当在物理上行链路控制信道上反馈信道状态信息时，包含在具有层号或级别的所使用码本CPUCCH（r）中的码字是 r是在LTE-A中定义的整个码本中的层号或等级为r的码本CPUSCH（r）中包含的码字的子集; 其中，CPUCCH（r）是与双码本相当的单码本或单码本; 并且CPUSCH（r）是与双码本相当的单个码本或单个码本; 与双码本相当的单码本意味着实际使用的码本是实际定义的单码本，然而，需要2个预编码矩阵标识符来确定已建立的r中的码字的码本。 本发明描述的方法可以在有限的开销下保证PMI反馈的精度，使得PUCCH上的CSI反馈能够更有效地支持预编码技术，并且与PUSCH上的反馈具有良好的兼容性。

公开(公告)号：US09859960B2

公开(公告)日：2018-01-02

申请号：US13520283

申请日：2011-02-11

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

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

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

CPC分类号： H04B7/0452 ,  H04B7/063 ,  H04W28/18 ,  H04W48/08

摘要： 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：US20130235811A1

公开(公告)日：2013-09-12

申请号：US13520283

申请日：2011-02-11

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

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

IPC分类号： H04B7/04

CPC分类号： H04B7/0452 ,  H04B7/063 ,  H04W28/18 ,  H04W48/08

摘要： 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.

摘要翻译： 在本发明中提供了一种用于指示传输参数的方法和系统。 该方法包括：当多用户多输入多输出（MIMO）数据被发送时，使用下行链路控制信息格式的新添加的指示信令，以在启用的传输块的数量不同时指示不同的联合编码的参数。 通过在本发明中添加新的指示信令，在多用户MIMO数据传输期间指示不同的联合编码参数，并且支持基于解调参考信号的MIMO多用户传输。