Method and system for acquiring channel information
    1.
    发明授权
    Method and system for acquiring channel information 有权
    获取频道信息的方法和系统

    公开(公告)号:US09014288B2

    公开(公告)日:2015-04-21

    申请号:US13817831

    申请日:2011-06-15

    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。

    Method and system for MIMO channel information feedback
    2.
    发明授权
    Method and system for MIMO channel information feedback 有权
    MIMO信道反馈的方法和系统

    公开(公告)号:US08798185B2

    公开(公告)日:2014-08-05

    申请号:US13577789

    申请日:2010-10-22

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

    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。

    Preprocessing method, base station, and system for cooperative communication
    3.
    发明授权
    Preprocessing method, base station, and system for cooperative communication 有权
    预处理方法,基站和协作通信系统

    公开(公告)号:US08340198B2

    公开(公告)日:2012-12-25

    申请号:US13352349

    申请日:2012-01-18

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

    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)。

    METHOD, APPARATUS AND SYSTEM FOR COOPERATIVE RESOURCE SCHEDULING AND COOPERATIVE COMMUNICATION
    4.
    发明申请
    METHOD, APPARATUS AND SYSTEM FOR COOPERATIVE RESOURCE SCHEDULING AND COOPERATIVE COMMUNICATION 有权
    合作资源调度和合作通信的方法,装置和系统

    公开(公告)号:US20120230264A1

    公开(公告)日:2012-09-13

    申请号:US13339171

    申请日:2011-12-28

    IPC分类号: H04W72/04

    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。

    PRE-PROCESSING METHOD, SYSTEM, AND APPARATUS FOR COOPERATIVE COMMUNICATION
    5.
    发明申请
    PRE-PROCESSING METHOD, SYSTEM, AND APPARATUS FOR COOPERATIVE COMMUNICATION 有权
    预处理方法,系统和设备的合作通信

    公开(公告)号:US20120028666A1

    公开(公告)日:2012-02-02

    申请号:US13253254

    申请日:2011-10-05

    IPC分类号: H04B15/00

    摘要: A pre-processing method and system for cooperative communication are provided. The method includes: after obtaining channel matrices collected by a Base Station (BS), obtaining Multiple-Input Multiple-Output (MIMO) Cooperation Area (CA) information, in which the MIMO CA information includes cooperation information between BSs, and the cooperation information between the BSs is used to determine an interference relation between MIMO CAs; combining the channel matrices of a User Equipment (UE) according to the interference relation between the MIMO CAs; and performing pre-coding computation of the UE by using the combined channel matrices.

    摘要翻译: 提供了一种用于协作通信的预处理方法和系统。 该方法包括:在获得由基站(BS)收集的信道矩阵之后,获得MIMO CA信息包括BS之间的协作信息和协作信息的多输入多输出(MIMO)合作区域(CA)信息 BS之间用于确定MIMO CA之间的干扰关系; 根据MIMO CA之间的干扰关系组合用户设备(UE)的信道矩阵; 以及通过使用组合信道矩阵来执行UE的预编码计算。

    SUBSCRIBER LINE INTERFACE CIRCUITRY WITH INTEGRATED SERIAL INTERFACES
    6.
    发明申请
    SUBSCRIBER LINE INTERFACE CIRCUITRY WITH INTEGRATED SERIAL INTERFACES 审中-公开
    具有集成串行接口的订户线接口电路

    公开(公告)号:US20100166434A1

    公开(公告)日:2010-07-01

    申请号:US12347992

    申请日:2008-12-31

    IPC分类号: H04B10/08

    CPC分类号: H04L12/2885

    摘要: Methods and apparatus for communicating include communicating frames of data at a frequency f1 serially from a first device to a second device using a first unidirectional data line. The frames have a first timeslot allocation of s timeslots. A clock signal having a frequency f2 is generated within the second device, wherein f 2 f 1 ≈ n · s , wherein n>1. The first unidirectional data line is sampled every n clock cycles of the clock signal for a plurality of the timeslots.

    摘要翻译: 用于通信的方法和装置包括使用第一单向数据线将频率f1从第一设备到第二设备串行地传送数据帧。 帧具有时隙的第一时隙分配。 在第二装置内产生具有频率f2的时钟信号,其中f 2 f 1≈n·s,其中n> 1。 在多个时隙的时钟信号的每n个时钟周期对第一单向数据线进行采样。

    Method and system for transmitting position reference signal
    7.
    发明授权
    Method and system for transmitting position reference signal 有权
    发送位置参考信号的方法和系统

    公开(公告)号:US08654727B2

    公开(公告)日:2014-02-18

    申请号:US13257847

    申请日:2009-12-30

    IPC分类号: H04W4/00

    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。

    Method and System for MIMO Channel Information Feedback
    8.
    发明申请
    Method and System for MIMO Channel Information Feedback 有权
    MIMO信道反馈的方法和系统

    公开(公告)号:US20120300868A1

    公开(公告)日:2012-11-29

    申请号:US13577789

    申请日:2010-10-22

    IPC分类号: H04B7/06

    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。

    Method and apparatus for managing modem sample rates on a digital audio interface within a direct access arrangement circuit
    9.
    发明授权
    Method and apparatus for managing modem sample rates on a digital audio interface within a direct access arrangement circuit 失效
    用于在直接访问布置电路内的数字音频接口上管理调制解调器采样率的方法和装置

    公开(公告)号:US07664167B2

    公开(公告)日:2010-02-16

    申请号:US10881917

    申请日:2004-06-30

    IPC分类号: H04L5/16

    CPC分类号: H04M11/066

    摘要: An apparatus for managing modem sample rates within a direct access arrangement (DAA) circuit is disclosed. The DAA circuit includes a serial audio interface for providing communications between the DAA circuit and a host computer system. The serial audio interface is capable of operating under multiple serial communication interface standards, such as the AC '97 standard and the HD Audio standard. The DAA circuit also includes means for configuring the serial audio interface to transmit and receive modem samples at an audio sample rate higher than a modem sample rate of modem samples and at a predetermined bit size that is wider than a bit size of the modem samples, such that one bit of each of the modem samples is utilized to indicate the validity of each associated modem samples.

    摘要翻译: 公开了一种用于在直接访问布置(DAA)电路内管理调制解调器采样率的装置。 DAA电路包括用于在DAA电路和主机系统之间提供通信的串行音频接口。 串行音频接口能够在多种串行通信接口标准下运行,如AC '97标准和HD Audio标准。 DAA电路还包括用于配置串行音频接口以以高于调制解调器采样的调制解调器采样率的音频采样率并且以比调制解调器样本的比特大小的预定比特大小发送和接收调制解调器样本的装置, 使得每个调制解调器样本的一位用于指示每个相关联的调制解调器样本的有效性。

    Method and apparatus for reducing modem command and status latency on a digital audio interface within a direct access arrangement circuit
    10.
    发明授权
    Method and apparatus for reducing modem command and status latency on a digital audio interface within a direct access arrangement circuit 失效
    用于在直接存取布置电路内的数字音频接口上降低调制解调器命令和状态延迟的方法和装置

    公开(公告)号:US07649929B2

    公开(公告)日:2010-01-19

    申请号:US10881840

    申请日:2004-06-30

    IPC分类号: H04B1/00

    CPC分类号: H04M11/066

    摘要: An apparatus for reducing modem command and status latency within a direct access arrangement (DAA) circuit is disclosed. The DAA circuit includes a serial audio interface for providing communications between the DAA circuit and the host computer system. The serial audio interface can operate under multiple serial communication interface standards, such as the AC '97 standard and the HD Audio standard. The DAA circuit also includes means for configuring the serial audio interface to transmit and receive modem samples at an audio sample rate higher than a modem sample rate of the modem samples and at a predetermined bit size that is wider than a bit size of the modem samples. The additional bits other than the modem samples are utilized to indicate command and status information associated with the DAA circuit or a telephone line such that modem command and status latency on the serial audio interface within the DAA circuit can be reduced.

    摘要翻译: 公开了一种用于在直接访问装置(DAA)电路内减少调制解调器命令和状态延迟的装置。 DAA电路包括用于在DAA电路和主计算机系统之间提供通信的串行音频接口。 串行音频接口可以在多种串行通信接口标准下工作,如AC '97标准和高清音频标准。 DAA电路还包括用于配置串行音频接口以以高于调制解调器采样的调制解调器采样率的音频采样率发送和接收调制解调器采样的装置,并且以比调制解调器样本的比特大的预定比特大小 。 除了调制解调器样本之外的附加位用于指示与DAA电路或电话线相关联的命令和状态信息,使得可以减少DAA电路内的串行音频接口上的调制解调器命令和状态延迟。