WIRELESS COMMUNICATION SYSTEM FOR A HIGH-SPEED OBJECT THAT MOVES ON A FIXED PATH
    1.
    发明申请
    WIRELESS COMMUNICATION SYSTEM FOR A HIGH-SPEED OBJECT THAT MOVES ON A FIXED PATH 有权
    用于在固定路径上移动的高速物体的无线通信系统

    公开(公告)号:US20120219084A1

    公开(公告)日:2012-08-30

    申请号:US13503301

    申请日:2010-10-26

    IPC分类号: H04B7/04

    摘要: The present invention relates to a method for sending a data signal from a transmitter to a receiver in a multiple antenna wireless communication system. In particular, the method comprises: sending information about the number of transmission antennas of the transmitter to the receiver; receiving from the receiver information about the number of effective communication links of the transmitter and the receiver; determining a precoding matrix based on the information about the number of effective communication links; and receiving from the receiver the data signal using the precoding matrix, wherein transmission antennas of the transmitter and receiving antennas of the receiver respectively form effective communication links independent of each other.

    摘要翻译: 本发明涉及一种在多天线无线通信系统中从发射机向接收机发送数据信号的方法。 特别地,该方法包括:向接收机发送关于发射机的发送天数的信息; 从接收机接收关于发射机和接收机的有效通信链路数量的信息; 基于有关通信链路的数量的信息来确定预编码矩阵; 并且使用所述预编码矩阵从所述接收机接收所述数据信号,其中所述发射机的发射天线和所述接收机的接收天线分别独立地形成有效的通信链路。

    Wireless communication system for a high-speed object that moves on a fixed path
    2.
    发明授权
    Wireless communication system for a high-speed object that moves on a fixed path 有权
    用于在固定路径上移动的高速物体的无线通信系统

    公开(公告)号:US08811517B2

    公开(公告)日:2014-08-19

    申请号:US13503301

    申请日:2010-10-26

    IPC分类号: H04B7/02

    摘要: The present invention relates to a method for sending a data signal from a transmitter to a receiver in a multiple antenna wireless communication system. In particular, the method comprises: sending information about the number of transmission antennas of the transmitter to the receiver; receiving from the receiver information about the number of effective communication links of the transmitter and the receiver; determining a precoding matrix based on the information about the number of effective communication links; and receiving from the receiver the data signal using the precoding matrix, wherein transmission antennas of the transmitter and receiving antennas of the receiver respectively form effective communication links independent of each other.

    摘要翻译: 本发明涉及一种在多天线无线通信系统中从发射机向接收机发送数据信号的方法。 特别地,该方法包括:向接收机发送关于发射机的发送天数的信息; 从接收机接收关于发射机和接收机的有效通信链路数量的信息; 基于有关通信链路的数量的信息来确定预编码矩阵; 并且使用所述预编码矩阵从所述接收机接收所述数据信号,其中所述发射机的发射天线和所述接收机的接收天线分别独立地形成有效的通信链路。

    METHOD OF TRANSMITTING AND RECEIVING SIGNAL IN A DISTRIBUTED ANTENNA SYSTEM
    4.
    发明申请
    METHOD OF TRANSMITTING AND RECEIVING SIGNAL IN A DISTRIBUTED ANTENNA SYSTEM 有权
    在分布式天线系统中发射和接收信号的方法

    公开(公告)号:US20130028194A1

    公开(公告)日:2013-01-31

    申请号:US13638747

    申请日:2011-04-06

    IPC分类号: H04W4/00

    摘要: A method of transmitting a signal from a base station to a user equipment in a distributed antenna system (DAS) comprises equally broadcasting DA common broadcast information, which includes information required for initial access, into a cell through a plurality of DA groups of the base station; and independently broadcasting DA specific broadcast information, which includes information on the number of antennas of each DA group, through each DA group of the base station, wherein the DA group includes one or more DAs.

    摘要翻译: 一种从基站向分布式天线系统(DAS)中的用户设备发送信号的方法包括通过基站的多个DA组将包含初始接入所需信息的DA公共广播信息同时广播到小区中 站; 并且通过基站的每个DA组独立地广播包括关于每个DA组的天线数量的信息的DA特定广播信息,其中DA组包括一个或多个DA。

    Method for transmitting and receiving feedback information
    6.
    发明授权
    Method for transmitting and receiving feedback information 有权
    发送和接收反馈信息的方法

    公开(公告)号:US08295193B2

    公开(公告)日:2012-10-23

    申请号:US12525804

    申请日:2008-02-05

    IPC分类号: G01R31/08 H04K1/10

    摘要: A method for efficiently transmitting and receiving feedback information is disclosed. A cluster size as a unit for computing the feedback information and a reporting period of the feedback information are not uniformly determined by a base station. Information about a downlink channel status of each user equipment is reported, the cluster size and feedback period for computing and reporting the feedback information are determined using the information about the downlink channel status of each user equipment, and the feedback information is transmitted/received, thereby improving system capability.

    摘要翻译: 公开了一种有效地发送和接收反馈信息的方法。 作为用于计算反馈信息的单元的集群大小和反馈信息的报告周期不是由基站均匀地确定的。 报告关于每个用户设备的下行链路信道状态的信息,使用关于每个用户设备的下行链路信道状态的信息来确定用于计算和报告反馈信息的集群大小和反馈周期,并且反馈信息被发送/接收, 从而提高系统能力。

    METHOD FOR TRANSMITTING/RECEIVING DATA IN A MULTIPLE-INPUT MULTIPLE-OUTPUT SYSTEM USING MULTI-CARRIER
    7.
    发明申请
    METHOD FOR TRANSMITTING/RECEIVING DATA IN A MULTIPLE-INPUT MULTIPLE-OUTPUT SYSTEM USING MULTI-CARRIER 失效
    使用多载波在多输入多输出系统中发送/接收数据的方法

    公开(公告)号:US20110274200A1

    公开(公告)日:2011-11-10

    申请号:US12674413

    申请日:2008-08-20

    IPC分类号: H04L27/28

    摘要: A method for transmitting/receiving data in a Multiple Input Multiple Output (MIMO) communication system is disclosed. The data transmission method includes determining a precoding matrix to be a part of a phase-shift-based precoding matrix, determining a first diagonal matrix for phase shift to be a part of the phase-shift-based precoding matrix, determining a unitary matrix to be a part of the phase-shift-based precoding matrix, precoding a transmission symbol for each resource using the phase-shift-based precoding matrix to produce precoded data, and transmitting the precoded data, wherein the phase-shift-based precoding matrix is determined by the product of the precoding matrix, a Hermitian matrix of the unitary matrix, the first diagonal matrix, and the unitary matrix.

    摘要翻译: 公开了一种在多输入多输出(MIMO)通信系统中发送/接收数据的方法。 数据传输方法包括将预编码矩阵确定为基于相移的预编码矩阵的一部分,将相移的第一对角矩阵确定为基于相移的预编码矩阵的一部分,确定酉矩阵 作为基于相移的预编码矩阵的一部分,使用基于相移的预编码矩阵预编码每个资源的传输符号以产生预编码的数据,并发送预编码的数据,其中基于相移的预编码矩阵是 由预编码矩阵的乘积,酉矩阵的Hermitian矩阵,第一对角矩阵和酉矩阵确定。

    METHOD OFTRANSMITTING AND PROCESSING DATA AND TRANSMITTER IN A WIRELESS COMMUNICATION SYSTEM
    8.
    发明申请
    METHOD OFTRANSMITTING AND PROCESSING DATA AND TRANSMITTER IN A WIRELESS COMMUNICATION SYSTEM 有权
    无线通信系统中的传输和处理数据和发射机的方法

    公开(公告)号:US20100149961A1

    公开(公告)日:2010-06-17

    申请号:US12449155

    申请日:2008-02-05

    IPC分类号: H04J9/00 H04W4/00 H04J4/00

    摘要: A method for transmitting/processing data in a wireless communication system, and a transmitter are disclosed. A method processing method for data transmission at a transmitting side of a wireless communication system employing multiple carriers comprises performing a symbol mapping process on a binary data sequence, and generating a symbol sequence, converting the symbol sequence into a time-domain symbol using a plurality of sub-carriers having a variable sub-carrier spacing therebetween, and adding a cyclic prefix to the time-domain symbol.

    摘要翻译: 公开了一种在无线通信系统中发送/处理数据的方法,以及发射机。 一种在采用多载波的无线通信系统的发送侧进行数据传输的方法处理方法包括对二进制数据序列进行码元映射处理,生成符号序列,使用多个码元进行符号序列变换为时域符号 的子载波之间具有可变子载波间隔,并且向时域符号添加循环前缀。