TRANSMISSION METHODS FOR DOWNLINK ACK/NACK CHANNELS
    6.
    发明申请
    TRANSMISSION METHODS FOR DOWNLINK ACK/NACK CHANNELS 有权
    用于下行ACK / NACK信道的传输方法

    公开(公告)号:US20120236956A1

    公开(公告)日:2012-09-20

    申请号:US13447971

    申请日:2012-04-16

    IPC分类号: H04B7/04 H04J13/00

    摘要: A method from transmitting data via multiple antennas. In this method, four information bits to be transmitted are multiplexed by using either one of a code division multiplexing scheme or a second code division multiplexing scheme combined with a real and imaginary multiplexing scheme, to generate a code division multiplexed symbol including four vectors. Then, the code division multiplexed symbol is repeatedly transmitted by alternatively applying two transmit diversity schemes via four transmission antennas.

    摘要翻译: 一种通过多个天线发送数据的方法。 在该方法中,通过使用与实数和虚数复用方式组合的码分复用方案或第二码分复用方式中的任一种来复用要发送的四个信息比特,以产生包括四个向量的码分多路复用符号。 然后,通过经由四个发送天线交替地应用两个发射分集方案来重复发送码分复用符号。

    Transmission methods for downlink ACK/NACK channels
    7.
    发明授权
    Transmission methods for downlink ACK/NACK channels 有权
    下行ACK / NACK信道的传输方法

    公开(公告)号:US08160172B2

    公开(公告)日:2012-04-17

    申请号:US12219438

    申请日:2008-07-22

    IPC分类号: H04B7/02

    摘要: A method from transmitting data via multiple antennas. In this method, four information bits to be transmitted are multiplexed by using either one of a code division multiplexing scheme or a second code division multiplexing scheme combined with a real and imaginary multiplexing scheme, to generate a code division multiplexed symbol including four vectors. Then, the code division multiplexed symbol is repeatedly transmitted by alternatively applying two transmit diversity schemes via four transmission antennas.

    摘要翻译: 一种通过多个天线发送数据的方法。 在该方法中,通过使用与实数和虚数复用方式组合的码分复用方案或第二码分复用方式中的任一种来复用要发送的四个信息比特,以产生包括四个向量的码分多路复用符号。 然后,通过经由四个发送天线交替地应用两个发射分集方案来重复发送码分复用符号。

    Transmission methods for downlink ACK/NACK channels
    8.
    发明申请
    Transmission methods for downlink ACK/NACK channels 有权
    下行ACK / NACK信道的传输方法

    公开(公告)号:US20090059884A1

    公开(公告)日:2009-03-05

    申请号:US12219438

    申请日:2008-07-22

    IPC分类号: H04J13/02

    摘要: A method from transmitting data via multiple antennas. In this method, four information bits to be transmitted are multiplexed by using either one of a code division multiplexing scheme or a second code division multiplexing scheme combined with a real and imaginary multiplexing scheme, to generate a code division multiplexed symbol including four vectors. Then, the code division multiplexed symbol is repeatedly transmitted by alternatively applying two transmit diversity schemes via four transmission antennas.

    摘要翻译: 一种通过多个天线发送数据的方法。 在该方法中,通过使用与实数和虚数复用方式组合的码分复用方案或第二码分复用方式中的任一种来复用要发送的四个信息比特,以产生包括四个向量的码分多路复用符号。 然后,通过经由四个发送天线交替地应用两个发射分集方案来重复发送码分复用符号。

    MIMO wireless precoding system robust to power imbalance
    9.
    发明申请
    MIMO wireless precoding system robust to power imbalance 有权
    MIMO无线预编码系统强大的功率不平衡

    公开(公告)号:US20080303699A1

    公开(公告)日:2008-12-11

    申请号:US12155235

    申请日:2008-05-30

    IPC分类号: H03M7/40 H04L27/12

    摘要: The present invention relates to methods and apparatus for preventing power imbalance in a multiple input multiple output (MIMO) wireless precoding system. According to one aspect of the present invention, a codebook is constructed with a first subset of codewords that are constant modulus matrices, and a second subset of codewords that are non-constant modulus matrices. A mapping scheme is established between the first subset of codewords and the second subset of codewords. When a unit of user equipment feeds back a first codeword that is a non-constant modulus matrix, the Node-B may replace the first codewords with a second codeword that is selected from the first subset of codewords and that corresponds to the first codeword in accordance with the mapping scheme.

    摘要翻译: 本发明涉及用于防止多输入多输出(MIMO)无线预编码系统中的功率不平衡的方法和装置。 根据本发明的一个方面,使用作为恒模矩阵的码字的第一子集以及作为非恒定模数矩阵的码字的第二子集构造码本。 在码字的第一子集和码字的第二子集之间建立映射方案。 当用户设备的单元反馈作为非恒定模数矩阵的第一码字时,节点B可以用从码字的第一子集中选择并且对应于第一码字的第二码字来替换第一码字, 按照映射方案。