Understanding LTE Model Internals and Interfaces
Understanding LTE Model Internals and Interfaces
Understanding LTE Model Internals and Interfaces
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1581 <strong>Underst<strong>and</strong>ing</strong> <strong>LTE</strong> <strong>Model</strong> <strong>Internals</strong> <strong>and</strong> <strong>Interfaces</strong>EPC• EPC S1/NAS mainly:• Exchanges S1 messages with the eNodeB mainly carrying NAS messages• Exchanges NAS messages with the UE for initial network attachment• Exchanges NAS messages with the UE for bearer activation/deactivation/modification• Provides UE subscription <strong>and</strong> EPS bearer mapping information to GTP to performtunnel encapsulationlte_s1_nas.pr.mCONFIDENTIAL ─ RESTRICTED ACCESS: This information may not be disclosed, copied, or transmitted in any format without the prior written consent of OPNET Technologies, Inc. © 2010 OPNET Technologies, Inc.25
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