Reconfigurable Alamouti/ABBA decoder
    2.
    发明公开
    Reconfigurable Alamouti/ABBA decoder 有权
    Rekonfigurierbarer Alamouti- / ABBA-Dekodierer

    公开(公告)号:EP1993225A1

    公开(公告)日:2008-11-19

    申请号:EP07108234.1

    申请日:2007-05-15

    CPC classification number: H04L1/0668 H04L1/0631 H04L1/0662

    Abstract: A decoder apparatus ( 155, PU, CU ) for decoding a first input set ( Y ) of demodulated data elements obtained by demodulating transmitted data elements received over a transmission channel so as to obtain a corresponding output set ( S ) of decoded data elements is provided. The decoder apparatus includes a first register ( 302 ) operable to receive the demodulated data elements of the first input set and a second register ( 310 ) operable to receive a second input set ( X ) of channel description elements related to the transmission channel. The number of demodulated data elements of the first input set and the number of channel description elements of the second input set is equal to a first number that depends on a selected transmission diversity scheme selected among at least two transmission diversity schemes that can be adopted for the transmission of the transmitted data elements. The decoder apparatus further includes a first selector ( 304(i), 306 ) coupled to the first register and operable to select the demodulated data elements from the first input set, a second selector ( 312(i), 314 ) coupled to the second register and operable to select the channel description elements from the second input set and a combiner ( 308, 318, 320 ) coupled to the first and the second selection circuits and operable to combine the selected demodulated data elements with the selected channel description elements. The decoder apparatus still further includes a controller ( 300 ) coupled to the first and second selectors and to the combiner, that is adapted to generate a plurality of signals defining a control sequence for driving the first and second selectors and the combiner. Said controller is adapted to be configured so as to generate at least two control sequences according to the selected transmission diversity scheme.

    Abstract translation: 解码装置(155,PU,CU),用于解码通过解调通过传输信道接收的发送数据元素获得的解调数据元素的第一输入集合(Y),以便获得解码数据元素的对应输出集合(S) 提供。 解码器装置包括可操作以接收第一输入集合的解调数据元素的第一寄存器(302)和可操作以接收与传输信道相关的信道描述元素的第二输入集(X)的第二寄存器(310)。 第一输入集合的解调数据元素的数量和第二输入集合的信道描述元素的数量等于第一数量,其依赖于可以采用的至少两个传输分集方案中选择的所选择的传输分集方案 传输的数据元素。 解码器装置还包括耦合到第一寄存器的第一选择器(304(i),306),用于从第一输入组中选择解调的数据元件,耦合到第二选择器的第二选择器 注册和操作以从第二输入集合选择信道描述元素,以及耦合到第一和第二选择电路的组合器(308,318,320),并且可操作以将所选择的解调数据元素与所选择的信道描述元素组合。 解码器装置还包括耦合到第一和第二选择器和组合器的控制器(300),其适于产生限定用于驱动第一和第二选择器和组合器的控制序列的多个信号。 所述控制器适于被配置为根据所选择的传输分集方案产生至少两个控制序列。

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