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>EPS Mobility Management (EMM)• Registration of UEs to the <strong>LTE</strong> network via EMM Attach procedure ismodeled• An eNodeB can serve multiple EPCs• Once the attachment is completed, UEs remain in the <strong>LTE</strong>_Activestate, the IN_SYNC sub-state, <strong>and</strong> in the RRC_Connected state• The attachment procedure is implemented based on Figure 5.3.2.1-1:"Attach Procedure" in 3GPP TS 23.401 "General Packet Radio Service(GPRS) enhancements for Evolved Universal Terrestrial Radio AccessNetwork (E-UTRAN) access".CONFIDENTIAL ─ 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.35