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><strong>LTE</strong> MAC Implementation Overview:eNodeB•Process model lte_enb_as.pr.m• UL <strong>and</strong> DL framing – all functions in the same process model• Scheduling – Most of the functionality in lte_sched_support.ex.c <strong>and</strong>externally callable functions are called from the process model• Support functionality in lte_support.ex.c• Mapping bits to allocation blocks <strong>and</strong> vice versa• Managing the database of control channel elements in PDCCH• Managing all control channels such as PDCCH, PUCCH, <strong>and</strong> RACH• HARQ functionality – some functionality in harq_support.ex.c <strong>and</strong> some in thesame process model• RLC functionality: RLC functions are called from this process model• Admission control – Most of the functionality inlte_admit_control_support.ex.c, <strong>and</strong> the externally callable functions are calledfrom the process model• Uplink received data processing – all functions in the same process modelCONFIDENTIAL ─ 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.42