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本文介绍下一代移动数据网络研究开发课题,即WLAN和蜂窝数据网紧耦合和松耦合两种融合方式;利用GSM基础设施和漫游协议,以WLAN接入技术结合GSM用户管理和计费机理,构成公众无线接入系统;基于IP公众接入移动LAN(PamLAN)分布式移动系统。
This article introduces the next generation of mobile data network research and development issues, namely, WLAN and cellular data network tightly coupled and loosely coupled two kinds of convergence; using GSM infrastructure and roaming agreement to WLAN access technology combined with GSM user management and billing mechanism, constitute Public wireless access system; IP-based public access mobile LAN (PamLAN) distributed mobile system.