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GSM / 3GPP architecture evolution (up to Rel‑8)

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what is new in 3GPP Rel-3 network architecture


Network element functions

AuC     BSC     BTS     EIR     GGSN     HLR     MSC     NodeB     RNC     SGSN     SIM     UICC     USIM     VLR    


Reference points

     Abis                                   Gb     Gc     Gf     Gi     Gn     Gr     Gs          Iub     IuCS     IuPS     Iur     Um     Uu    


New features in GSM Phase2+ Rel-98