GSM有关的基础知识.诸如,数字移动通信GSM发展简史技术,GSM系统结构及相关接口,TDMA帧结构,GSM的区域定义及GSM识别号,无线接口的逻辑信道及系统消息,GSM系统的移动性管理和安全性管理以及GSM移动网络结构和信令网等-GSM on the basis of knowledge. Such as, digital GSM mobile communications technology development history, GSM system architecture and related interfaces, TDMA fr a me structure, GSM regional definition and GSM identification numbers, the logical channel radio interface and system messages, GSM System for Mobile management and security management, and GSM mobile network architecture and signaling networks