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mce

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在3GPPR6/R7中,通过在3G系统中增加BM-SC(BroadcastMulticastServiceCenter,广播组播业务中心)(包括定义Gmb、Gi接口),并向已有的网络实体增加MBMS功能来提供MBMS业务。因此R6/R7MBMS可以看作是对3G系统的一种功能扩展。而在E-MBMS(EnhancedMultimediaBroadcastMulticastService,增强多媒体广播多播业务)中提供了完整的逻辑架构(图1),包括在核心网中定义的MBMS逻辑实体和在接入网中定义的多小区/多播协调实体(Multi-cell/multicastCoordinationEntity,MCE),以及相关的控制面、用户面接口。E-MBMS这种完整、独立的逻辑架构,便于对MBMS各部分…

  • Updated Feb 16, 2020
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