多进多出（MIMO）系统在发射端和接收端分别设置多副发射天线和接收天线，采用MIMO技术可以提高信道容量和信道可靠性，降低误码率。

In MIMO system, multiple antennas are used separately at the transmit and the receive ends. MIMO technique is used to improve channel capacity and link reliability as well as to reduce bit error rate.

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特别地，能够利用发送天线和接收天线之间的多径分量来抵抗信道衰落影响，并且改善通信链路可靠性。

In particular, a large number of propagation paths between transmit and receive antennas can be utilized to combat channel fading effect and gain link reliability.

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发射端分集、编码和调制结合空时格码，可以有效地提高信号在无线衰落信道中传输的有效性和可靠性；

Space-time trellis code combining space diversity with code and modulation, can improve efficiency and reliability of communication system in wireless channel efficiently.

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