digital cellular system meaning in English

数字蜂窝系统

Digital cellular system 1800 dcs1800 , gsm1800
数字式行动电话系统
Digital cellular system at 1800mhz dcs
频段的数字蜂窝系统
Japan digital cellular system jdc
日本数字蜂窝系统
Japan digital cellular system jd
日本数字蜂窝系统
Firstly this paper researches present mobile communication technique of enhancing system capacity , next further researches basic principles of tdma and cdma system . based on these researches a new scheme is proposed that let broadband code division multiple access ( b - cdma ) system overlay on an existing narrowband digital cellular system ( i . e . gsm )
本文首先研究了移动通信现有的扩容技术，其次深入研究了tdma系统和cdma系统的基本原理，在此基础上提出了利用gsm与宽带cdma系统同频传输实现系统扩容的方案。