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3GPP2 Femto Cell Workshop: Network Architecture Decisions

3GPP2 Femto Cell Workshop: Network Architecture Decisions. Betsy Covell 16 October 2007. Network Overview. Network Architecture Architecture Layers 1x/circuit 1x/HRPD packet HRPD IMS/SIP Architecture Decisions Distribution of functionality PDSN functions PDIF functions CSRV Server

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3GPP2 Femto Cell Workshop: Network Architecture Decisions

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  1. 3GPP2 Femto Cell Workshop:Network Architecture Decisions Betsy Covell 16 October 2007

  2. Network Overview • Network Architecture • Architecture Layers • 1x/circuit • 1x/HRPD packet • HRPD • IMS/SIP • Architecture Decisions • Distribution of functionality • PDSN functions • PDIF functions • CSRV Server • Service support functions • Phased Approach to support legacy vs IMS • Issues • Scalability • Tunneling • Security • Mutual Authentication • Qos • Accounting • Mobility

  3. Network Overview • Femto Services • Must support existing circuit/data services • Profile services • Emergency services • Operator services – LNP, OTA, regulatory • Support existing terminals • Minimize impact to existing Network Infrastructure • IMS Services • Basic Voice Service (circuit/VoIP) • Emergency Services • Supplementary Services • Short Message Service • IMS Centralized Services • MAP/SIP interworking • Impact of Common IMS Initiative?

  4. Network Overview • Mobility • Reuse existing standards as much as possible • Need to support both handin and handout • All combinations of 1X/HRPD and femto/macro • Need to define a phased approach – which combinations are supported in which phase • System Selection is key to successful mobility • Roaming • How do family/friends attach to the femto? • MAP/SIP interworking for mobility may be separable from interworking for service support

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