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浜屻�佺綉鍏冧粙缁?/p>
銆?/p>
HSS:
HSS
锛?/p>
HomeSubscriberServer
锛?/p>
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/
浼氳瘽鐨?/p>
IMS
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HSS9820
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BE
锛?/p>
BackEnd
锛夊拰
FE
锛?/p>
FrontEnd
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BE
BE
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USCDB
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UnifiedSubscriberCenterDataBase
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锛?/p>
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FE
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FE
FE
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BE
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MME
锛?/p>
MME
锛?/p>
MobilityManagementEntity
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MME
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MME
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SGW
鍜?/p>
PGW
鐨勯�夋嫨绛夊姛鑳斤紱
鉃?/p>
NAS
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NAS
淇′护鐨勫畨鍏ㄦ�э紝
NAS(Non-AccessStratum)
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瀹屾暣鎬т繚鎶ゃ�?/p>
鉃?/p>
涓庡叾浠?/p>
3GPP
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鉃?/p>
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