Spatial multiplexing and space diversity gain of a system can be extracted through MIMO technique.
多输入多输出(MIMO)技术可以为系统提供空间复用增益和空间分集增益。
As the relay node's involvement, the agreement can take full advantage of multi-user cooperative spatial diversity and the time diversity and coding gain from retransmission mechanism.
由于中继节点的参与，该协议可充分利用多用户协作的空间分集和出错重传所带来的时间分集和编码增益。
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