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1.2.3 ¼¸¸öÖØÒªµÄËõÂÔд·¨

AMBR DL TFT ECGI ECM EMM EPC EPS GUMMEI GUTI GW PDB PLR LBI MME MMEC M-TMSI P-GW

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Packet Delay Budget Packet Loss Rate Linked EPS Bearer Id Mobility Management Entity MME Code

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2. S-TMSI£¬for paging, the mobile is paged with the S-Tmsi.

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UTRAN SGSN GERAN S1-MME HSS S3 MME S11 LTE-Uu UE E-UTRAN S1-U S10 S6a PCRF S12 S4 Serving Gateway S5 Gx PDN Gateway SGi Rx Operator's IP Services (e.g. IMS, PSS etc.) ÉÏͼÊÇ·ÇÂþÓÎ״̬ϵÄ×éÍø½á¹¹Í¼£¬ÎÒÃÇÒª°ÑÕâÕÅͼºÃºÃµÄÀí½âÇÒ¼Çס¡£ÖÁÓÚÂþÓÎ̬ϵģ¨home routed, local breakout with home/visited operator¡¯s application function£©ÈýÖÖÇé¿öµÄ×éÍøÍ¼¿ÉÒÔÀà±È×Åѧϰ¡£ÆäÖУ¬home routedʱ£¬Serving GWÓÃÂþÓεص쬶øPGW¡¢PCRF¡¢IP Services¶¼ÓùéÊôµØµÄ£¬ÆäËûÁ½ÖÖÇé¿öPCRF·ÖΪVPCRFºÍHPCRF£¨Ö®¼äS9½Ó¿Ú£©¡£SGW£¬PDNGW¶¼ÓÃÂþÓεصģ¬ËûÃǵÄÇø±ðÔÚÓÚÓÃÁËÄıߵÄOperator¡¯s IP Services.

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2.1 Network Access Control Functions

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2.1.2 Authentication and authorisation function

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2.1.3 Admission control function

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2.1.4 Policy and Charging Enforcement Function

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2.1.5 Lawful Interception

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2.2 Packet routeing and transfer functions

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