摘要
本文介绍了GSM的发展历史,详细阐述了GSM的通信系统的组成,GSM工作频段的分配,时分多址技术,保密措施等关键技术;给出了GSM网络规划设计的步骤和流程图;并指出GSM网支持的四种主要的业务。最后,展望了GSM将来发展的方向和目标。
This paper introduces the history of GSM,and describes the structure of GSM communication system,and some key technologies such as Frequency Channel's assignment,crypto security in detail. What's more,it shows the steps and flow chart of GSM network's programming design. Four transactions which GSM is supported are pointed. In the last,the development direction of GSM is prospected.
出处
《大理学院学报（综合版）》
CAS
2005年第z1期107-111,116,共6页
Journal of Dali University
关键词
GSM移动网络
网络结构
关键技术
保密措施
支持业务
GSM mobile network
The structure of network
Key technology
Grypto security
Transaction supported
