To solve these problems is to develop a new generation of digital cellular mobile communication system.
解决这些问题的方法是开发新一代数字蜂窝移动通信系统。
The first Generation of cellular mobile communication systems contained few if any security measures to protect the system operator and users.
第一代蜂窝移动通信系统几乎没有采用任何安全机制来保护运营商和用户。
In this paper, the analysis of ternary CDMA cellular mobile communication system capacity is based on coding theory and telephone traffic theory.
从编码理论和话务理论出发，分析了三值CD MA移动通信系统的系统容量。
Based on the research outcome so far, this paper proposes an approach of mobility management in an all-IP cellular mobile communication system platform.
基于已有的研究成果，本文在全IP蜂窝移动通信系统平台上，提出了一种移动性管理方案。
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。
Power control is a key technique in CDMA cellular mobile communication systems. It can combat near far effect, reduce multiple access interference and improve the system capacity.
功率控制技术是CD MA系统克服“远—近效应”，降低多址干扰、增大系统容量的一项关键技术。
Second generation mobile communication system (2g) is digital cellular system which can provide low-speed data business.
第二代移动通信系统(2g)是数字移动系统，能提供低速率数据业务。
The first generation of mobile communication systems (1g) was analog cellular system for mobile communication standard with the main voice services.
第一代移动通信系统(1g)是模拟制式的蜂窝移动通信系统，主要提供话音服务。
It thinks that convergence of Ad hoc network and cellular network is the basis of the next-generation mobile communication system.
自组织网络和蜂窝网络的融合将为构造下一代移动通信系统奠定基础。
CDMA digital cellular mobile system has remarkable communication performance. It has been one of the hottest research topics in recent years.
CDMA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。
CDMA digital cellular mobile system has remarkable communication performance. It has been one of the hottest research topics in recent years.
CDMA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。
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