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>Downlink Framing SequenceSet PDCCH symbol times = 3(# of columns anticipated forPDCCH)Create r<strong>and</strong>om accessresponses. Adjust number ofRBs available for data.Create CCCH messages.Adjust number of RBsavailable for data.Place HARQ retransmissionMPDUs on the DL. Adjustnumber of RBs available fordata.Schedule new MPDUs. Adjustthe number of RBs availablefor data.More RTX <strong>and</strong> no more RBsAttempt to resize the PDCCHsize into 1 or 2 columnsNo more RBs AND PDCCH NOT resized alreadyPDCCH resized to 1 or 2 symbolsAttempt to resize the PDCCHsize into 1 or 2 columnsPDCCH cannot be resizedEXITAll buffers empty OR PDCCH resized alreadyCONFIDENTIAL ─ 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.48