CDMA has been widely used in wireless telecommunication system.
扩频通信在无线通信中得以广泛应用。
Method in wireless telecommunication system; system, transmitter and receiver.
无线通信系统中的方法；系统，发射器和接收器。
The 1st and 2nd generation wireless telecommunication system provide voice traffic and limited data traffic.
第一代模拟和第二代数字系统支持语音通信和有限的数据通信能力。
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