The high layer signaling - radio access network application part ( ranap ) is a very important part of iu intertface in the third generation mobile communication system . it is designed and realized in this paper . we are mainly in charge of the side of radio network controller ( rnc ) 本文主要介绍了第三代移动通信系统( wcdma )中无线网络控制器( rnc )侧的iu接口的高层信令无线接入网络应用部分( ranap )协议的软件设计与实现方案。
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The design and realization of ranap plays a very important role in the independent development of the third generation mobile communication system device of our china . the system utilizes finite state machine ( fsm ) as the basement of system design and realization . 无线接入网络应用部分( ranap )协议软件是第三代移动通信信令处理协议栈的重要组成部分，它的设计和实现为国家早日实现自主生产的第三代移动通信设备具有重要的意义。
