8. A Typical Femto Solution HLR AAA FAP UE SEGW FGW CS/PS CN Service Network ISP Network (ADSL) IPsec tunnel Uu Iu or A/Gb D’ Option 1 Option 3 Option 2 AAA = Authentication, Authorization, and Accounting CS/PS CN = Circuit Switch / Packet Switch Core Network FGW = Femto Gateway HLR = Home Location Register SeGW/Sec =GW Security Gateway UE = User Equipment IEEE Communications Magazine . September 2009
9. Femto-subsystem reference architecture - example - FAP Mobile device Home GW FGW Femto Management System FAP-MS FGW-MS F L Fa SeGW Access Network Radio i/f Fm Fg CS core PS core Subscriber Databases Fb-cs Fb-ps Fr HPLMN Core Network IMS core Fb-ims HPLMN RAN
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12. Latest estimates: femtocell growth Although delayed, still forecasting 40M in 5 years Source: ABI Research, 4Q 2009