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Multiple antennas at transmitters and receivers to achieving higher diversity and data rates in MIMO systems

机译:发射器和接收器上的多个天线可在MIMO系统中实现更高的分集和数据速率

摘要

A method transmits an input stream of data symbols in a multiple-input, multiple-output wireless communications system. The input stream is demultiplexed into M substreams. Each of the M substreams is adaptively modulated and coded to a coded substream according to channel conditions. A first of the M coded substreams is space-time transmit diversity encoding into two space-time transmit diversity encoded substreams. There is one space-time transmit diversity encoded substream for each one of two transmit antennas. Each other coded substream is transmitted directly by a corresponding one of remaining M−1 transmit antenna.
机译:一种方法在多输入多输出无线通信系统中发送数据符号的输入流。输入流被多路分解为M个子流。 M个子流中的每一个根据信道条件被自适应地调制并且被编码为编码子流。 M个编码子流中的第一个是将空时发射分集编码成两个空时发射分集编码的子流。两个发射天线中的每一个都有一个空时发射分集编码子流。其余M-1个发射天线中的一个对应的天线直接直接发送每个其他编码子流。

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