多跳连接无线通信系统及源站，中继站，目的站和控制信号。
Multi-jump connection radio communication system and source station, relay station, destination station and control signal.
多播是一种群组通信的手段，要求将信息从一个数据源同时传送到多个目的地。
Multicasting is a means of group communications. It delivers information from a source to several destinations in the same time.
以无线扩频通信技术为基础的CD ma技术，是进入90年代以来无线通信领域十分引入注目的多址通信技术。
The CDMA based on the radio frequency spread technique has been a very attractive multiple access technique in the radio communication field since 1990.
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