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> Packet Transmission in OPNETIP TrafficIP PayloadIP PayloadIP PayloadTCP/IP <strong>and</strong> UDP/IP headercompression (optional)lte_pdcp_pdulte_pdcp_pdulte_pdcp_pduTraffic classificationRLC operation:-Segmentation- Concatenation- Reordering- Re-transmissions-Status reportsClassifier (IP packet EPS bearer)RLC buffer, bearer a RLC buffer, bearer b RLC buffer, bearer a RLC buffer, bearer clte_rlc_amd_pdu lte_rlc_umd_pdu lte_rlc_amd_pdu lte_rlc_umd_pduSchedulerlte_mac_sdu lte_mac_sdu lte_mac_sdu lte_mac_sduFrame Generatorlte_mac_pdulte_mac_pduHARQHARQ process jHARQ process k (≠j)Radio TransmissionSubframe n MPDUSubframe n+1transmissionMPDUtransmissionCONFIDENTIAL ─ 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.37
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