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>eNodeB AS• Keeps a record of all admitted UEs• Performs admission control to manage radio resources for GBR bearers• Communicates with S1 for this purpose• Creates Uplink <strong>and</strong> Downlink subframes for sending/receiving traffic on thewireless medium• Performs scheduling of traffic on radio resources• Manages uplink/downlink HARQ retransmissions.• Receives Uplink MPDUs <strong>and</strong> sends Downlink MPDUs• Performs HARQ <strong>and</strong> RLC retransmissions for Downlink MPDUs in errorlte_enb_as.pr.mUL/DL framing – everyTTI (1 ms)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.17
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