Method for transmitting/receiving data in a multiple-input multiple-output system using multi-carrier
    141.
    发明授权
    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:US08548088B2

    公开(公告)日:2013-10-01

    申请号:US12674413

    申请日:2008-08-20

    Abstract: 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.

    Abstract translation: 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。

    Pilot transmission method in a wireless communication system
    142.
    发明授权
    Pilot transmission method in a wireless communication system 有权
    无线通信系统中的导频传输方法

    公开(公告)号:US08494067B2

    公开(公告)日:2013-07-23

    申请号:US13062623

    申请日:2009-08-26

    Abstract: A pilot transmission method in a wireless communication system is provided. The method includes: transmitting a first pilot for channel measurement through a first transmission section; and transmitting a second pilot for channel measurement through a second transmission section which is subsequent in time to the first transmission section, wherein the first transmission section and the second transmission section include a plurality of sub-bands, parts of the plurality of sub-bands use predetermined precoding whereas the remaining sub-bands use non-predetermined precoding, and any one of the first pilot and the second pilot is carried only on a sub-band which uses the predetermined precoding whereas the other pilot is carried on the entirety of the plurality of sub-bands.

    Abstract translation: 提供了一种无线通信系统中的导频发送方法。 该方法包括:通过第一传输部分发送用于信道测量的第一导频; 并通过第二传输部分发送用于信道测量的第二导频,所述第二传输部分随后在第一传输部分中,其中第一传输部分和第二传输部分包括多个子带,多个子带的部分 使用预定的预编码,而剩余的子带使用非预定的预编码,并且第一导频和第二导频中的任何一个只在使用预定的预编码的子带上承载,而另一个导频被携带在整个 多个子带。

    Method for controlling uplink transmission power in wireless communication system and an apparatus therefor
    143.
    发明授权
    Method for controlling uplink transmission power in wireless communication system and an apparatus therefor 有权
    用于控制无线通信系统中的上行链路发送功率的方法及其装置

    公开(公告)号:US08452322B2

    公开(公告)日:2013-05-28

    申请号:US13139702

    申请日:2010-01-25

    CPC classification number: H04W52/346 H04W52/146

    Abstract: A method for setting uplink transmission power at a mobile station in a wireless communication system comprises the steps of: receiving information on the number of total streams received at a base station; and setting the uplink transmission power using the received number of total streams. In this case, the uplink transmission power is preferably a transmission power per stream (PTx—stream) obtained by applying the number of total streams to reference transmission power (PTx—ref).

    Abstract translation: 一种用于在无线通信系统中设置移动站的上行链路发送功率的方法,包括以下步骤:接收关于在基站接收的总流的数量的信息; 以及使用所接收的总流数来设置上行链路传输功率。 在这种情况下,上行链路发送功率优选为通过将总流量应用于参考发送功率(PTx-ref)而获得的每个流(PTx流)的发送功率。

    METHOD AND APPARATUS FOR DETECTING A SEGMENT IDENTIFIER IN A WIRELESS COMMUNICATION SYSTEM
    144.
    发明申请
    METHOD AND APPARATUS FOR DETECTING A SEGMENT IDENTIFIER IN A WIRELESS COMMUNICATION SYSTEM 有权
    在无线通信系统中检测分段标识符的方法和装置

    公开(公告)号:US20130130702A1

    公开(公告)日:2013-05-23

    申请号:US13581608

    申请日:2011-02-28

    Abstract: The present invention relates to a segment identifier detection method performed by a terminal if a segment being administrated by a base station in a wireless communication system has the frequency reuse factor of 3 and 2 at the same time. In particular, the method comprises: acquiring a cell identifier and a segment identifier corresponding to the cell identifier from a secondary advanced preamble (SA-preamble) that has been received from the base station; determining a frequency reuse factor of the base station; and if the frequency reuse factor is 2 and the obtained segment identifier is a third segment identifier, transforming the segment identifier corresponding to the cell identifier into a first segment identifier or a second segment identifier.

    Abstract translation: 本发明涉及由无线通信系统中的基站管理的分段同时具有3和2的频率重用因子的终端执行的分段标识符检测方法。 特别地,该方法包括:从已经从基站接收到的次级高级前导码(SA-preamble)获取小区标识符和对应于小区标识符的段标识符; 确定基站的频率复用因子; 并且如果频率重用因子为2,并且所获得的段标识符是第三段标识符,则将与小区标识符相对应的段标识符变换为第一段标识符或第二段标识符。

    METHOD FOR TRANSMITTING PRECODING MATRIX INFORMATION AND USER DEVICE, AND METHOD FOR TRANSMITTING DATA TO PLURALITY OF USER DEVICES AND BASE STATION
    146.
    发明申请
    METHOD FOR TRANSMITTING PRECODING MATRIX INFORMATION AND USER DEVICE, AND METHOD FOR TRANSMITTING DATA TO PLURALITY OF USER DEVICES AND BASE STATION 有权
    用于发送预测矩阵信息和用户设备的方法,以及用于将数据发送到用户设备和基站的多样性的方法

    公开(公告)号:US20130083743A1

    公开(公告)日:2013-04-04

    申请号:US13511596

    申请日:2010-11-25

    Abstract: The present invention relates to a precoding matrix information transmission method and a user device, and provides a method for transmitting precoding matrix information by a particular user device among user devices that receive a signal transmitted from one base station. The method comprises the steps of: determining, from a predetermined codebook, a first precoding matrix which is a precoding matrix for the particular user device during signal reception, and determining one or more second precoding matrices for the other user devices which are to be multiplexed in a predetermined resource region with the particular user device, wherein the one or more second precoding matrices are determined within a codebook subset of the predetermined codebook linked with the first precoding matrix; and transmitting, to the base station, first precoding matrix information indicating the first precoding matrix and second precoding matrix information indicating the one or more second precoding matrices.

    Abstract translation: 预编码矩阵信息传输方法和用户设备技术领域本发明涉及预编码矩阵信息传输方法和用户设备,并且提供了一种用于在接收从一个基站发送的信号的用户设备之间传送特定用户设备的预编码矩阵信息的方法。 该方法包括以下步骤:从预定码本确定在信号接收期间作为特定用户设备的预编码矩阵的第一预编码矩阵,以及确定要复用的其他用户设备的一个或多个第二预编码矩阵 在与特定用户设备的预定资源区域中,其中在与第一预编码矩阵链接的预定码本的码本子集内确定一个或多个第二预编码矩阵; 以及向所述基站发送指示所述第一预编码矩阵的第一预编码矩阵信息和指示所述一个或多个第二预编码矩阵的第二预编码矩阵信息。

    Method for allocating reference signals in MIMO system
    147.
    发明授权
    Method for allocating reference signals in MIMO system 有权
    MIMO系统中分配参考信号的方法

    公开(公告)号:US08400907B2

    公开(公告)日:2013-03-19

    申请号:US13439828

    申请日:2012-04-04

    Abstract: A user equipment (UE) receiving a plurality of reference signals in a wireless multiple-input multiple-output (MIMO) communication system includes a transceiver configured for receiving the plurality of reference signals for multiple antennas in a sub-frame, the sub-frame including a plurality of Orthogonal Frequency Division Multiplexing (OFDM) symbols in a time domain over a plurality of sub-carriers in a frequency domain. A first array is repeated in the frequency domain on a first OFDM symbol of the sub-frame, a second array is repeated in the frequency domain on a second OFDM symbol of the sub-frame and a third array is repeated in the frequency domain on a third OFDM symbol of the sub-frame, and each of the first, second and third arrays consists of six contiguous symbols in the frequency domain.

    Abstract translation: 在无线多输入多输出(MIMO)通信系统中接收多个参考信号的用户设备(UE)包括:收发器,被配置为在子帧中接收多个天线的多个参考信号,子帧 包括在频域中的多个子载波上的时域中的多个正交频分复用(OFDM)符号。 在子帧的第一OFDM符号上的频域中重复第一阵列,在子帧的第二OFDM符号上在频域中重复第二阵列,并且在频域上重复第三阵列 子帧的第三OFDM符号,并且第一,第二和第三阵列中的每一个由频域中的六个相邻符号组成。

    Uplink precoding method in 4-Tx system
    148.
    发明授权
    Uplink precoding method in 4-Tx system 有权
    4-Tx系统中的上行预编码方法

    公开(公告)号:US08391393B2

    公开(公告)日:2013-03-05

    申请号:US12715073

    申请日:2010-03-01

    Abstract: A method for a user equipment to precode and transmit an uplink signal efficiently in a 4-antenna system and a method for a base station to receive the transmitted signal efficiently are disclosed. Four antennas of a user equipment can be grouped by a 2-antenna unit. In consideration of this antenna group, it is able to perform precoding using antenna selection/DFT matrix of the antenna group unit. Moreover, a rank-3 codebook can be configured to include a precoding matrix of a type in consideration of power balance per antenna and a precoding matrix including one non-zero component only in one row for maintaining a good CM property.

    Abstract translation: 公开了一种用于在4天线系统中有效地预编码和发送上行链路信号的用户设备的方法以及用于基站有效地接收所发送的信号的方法。 用户设备的四个天线可以通过2天线单元分组。 考虑到该天线组,能够使用天线组单元的天线选择/ DFT矩阵进行预编码。 此外,等级3码本可以被配置为包括考虑每个天线的功率平衡的类型的预编码矩阵和仅在一行中包括一个非零分量的预编码矩阵以维持良好的CM属性。

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