Characteristics and Functions for CDMA Technology

This issue mainly sets forth the character and strong power of the 3th generation mobile telecommunication technologyCDMA Telecommunicational ter ms have transered from narrow services, such as telephone, sending or receiving messages, to multimedium of broad band PDSN is entry gateway, whitch linking wirelessnet and package net together PDSN also serving for users` entering package date net AAA server can provide users` identification by probing preregisted login information, then decide whether permitting mobile users using some network resourse, at the same time it calculating fee, audittin, allotting of cost or analysising of trend CDMA providing powerful guarantee for development of mobile communication