This paper presents the introduction of the concept of CDMA digital cellular system. Compared CDMA with FDMA and TDMA, we analyze the capacity of CDMA, and research one of the key technology : power control. Some conclusions are obtained. 简要介绍了CDMA数字蜂窝系统(DCS)的概念,将CDMA与FDMA和TDMA相比较,对CDMA系统容量进行了分析,对其关键技术之一的功率控制,进行了研究并得出了一些结论。
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 Key Techniques for Improving the Capacity in CDMA Digital Cellular System(DCS) 码分多址数字蜂窝系统(DCS)容量提高的几种关键技术
Base Station Equipment for the Digital Cellular System(DCS) 数字蜂窝系统(DCS)的基地站设备技术
This paper briefly describes a CDMA digital cellular system developed by QUAL-COMM, including its basic concept, merits, system design and transit towards CDMA system. 本文简要介绍美国QUALCOMM公司开发的CDMA数字蜂窝系统(DCS),包括基本概念、优点、系统设计以及向CDMA的过渡。