计算机与信息技术论文摘要摘要:主要阐述了第三代移动通信CDMA技术特征和其提供的强大功能。移动通信终端已从传统的电话、收发短信息通信的狭窄的服务中走向了宽带多媒体应用中。PDSN是连接无线网络和分组数据网的接入网关,为移动Internet/Intranet用户提供分组数据接入服务。AAA服务器能够通过验证一些预先登记的信息来提供用户身份认证,决定是否授权移动用户访问特定的网络资源,通过计费信息的处理,进行计费、审计、成本分配或趋向分析。CDMA技术为移动通信业务的更新发展提供了有力的保证。摘要:CDMA;AAA服务器;Internet;IntranetCharacteristics and Functions for CDMA Technology Abstract摘要:This issue mainly sets forth the character and strongpowerofthe3th generation mobile telecommunication technology-CDMA.Telecommunicational ter ms have transered from narrow services,such astelephone,sending or receiving messages,to multimedium of broadband.PDSN is entry gateway,whitch linking wireless net and package nettogether.PDSN also serving forusers`entering package date net.AAA servercan provide users`identification by probing pre-