时变信道可以提供时间分集，也称为多普勒分集。
Time-varying channel can provide time diversity, also known as the Doppler diversity.
空时编码技术通过空间和时间分集接收能有效增加信道容量。
Space -time coding can increase channel capacity by using the space and time diversity technique.
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。
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.
一种在移动单元中提供时间、空间和天线图形分集以减弱CD MA移动单元处的衰落影响的分集天线系统。
A diversity antenna system in a mobile unit which provides time, space and antenna pattern diversity to mitigate the effects of fading at a CDMA mobile unit.
所述方法和设备包括根据空间，时间和频率分集来传输分组和冗余分组，以增强冗余错误处理。
The method and apparatus comprises transmitting a packet and a redundant packet according to spatial, time and frequency diversity to enhance the redundancy error processing.
第三代移动通信系统WCDMA的发送分集方式有两种：开环模式和闭环模式，其中开环模式采用基于空间-时间分组编码的STTD发送分集方式。
There are two modes of transmit diversity for the third generation mobile communication system WCDMA: open-loop mode and the close-loop mode.
第三代移动通信系统WCDMA的发送分集方式有两种：开环模式和闭环模式，其中开环模式采用基于空间-时间分组编码的STTD发送分集方式。
There are two modes of transmit diversity for the third generation mobile communication system WCDMA: open-loop mode and the close-loop mode.
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