The 3GPP Release 5 will specify a GSM/EDGE Radio Access Network (GERAN) which can connect to 3G mobile core network (CN) through the Iu interface. The new architecture implies significant modifications to the GERAN radio protocols. This paper focuses on radio resource control (RRC) procedures, especially on the new defined inter radio access technology procedures between GERAN Iu mode and UMTS Terrestrial Radio Access Network (UTRAN) or inter-mode procedures between GERAN Iu mode to GERAN A/Gb mode in Release 5.
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机译：3GPP版本5将指定GSM / EDGE无线电接入网络（GERAN），其可以通过IU接口连接到3G移动核心网络（CN）。新架构意味着对GERAN无线电协议的重大修改。本文重点介绍无线电资源控制（RRC）程序，特别是在Geran Iu模式和UMTS地面无线电接入网络（UTRAN）之间的新定义的无线电接入技术程序（UTRAN）或GERAN IU模式之间的间隙过程到GERAN A / GB模式在第5版中。
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