This procedure can be used as a fundamental procedure or a reference referential procedure for optimization of CDMA digital cellular mobile communication system.
该流程可作为CD MA数字蜂窝移动通信系统优化的一般流程或参考流程。
CDMA digital cellular mobile system has remarkable communication performance. It has been one of the hottest research topics in recent years.
CD MA数字蜂窝移动通信系统由于其具有良好的通信性能，已成为近年来国际上研究的热点之一。
The author has described several key techniques for improving the capacity of CDMA digital celullar system, comparing to the spectral efficiency of FDMA and TDMA cellular system.
本文对照频分多址和时分多址系统的频谱效率，阐述了码分多址系统提高系统容量的几项关键技术。
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