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77 lines
2.0 KiB
Matlab
77 lines
2.0 KiB
Matlab
filename='../../debug/dist_ra.dat';
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enb.NDLRB = 50;
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enb.CyclicPrefix = 'Normal';
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enb.PHICHDuration = 'Normal';
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enb.CFI = 2;
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enb.Ng = 'Sixth';
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enb.CellRefP = 1;
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enb.NCellID = 196;
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enb.NSubframe = 5;
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enb.NTotalSubframes=1;
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enb.DuplexMode = 'FDD';
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dci.NDLRB = enb.NDLRB;
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dci.DCIFormat = 'SRSLTE_DCI_FORMAT1C';
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dci.AllocationType=1;
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%dci.Allocation.Bitmap='01111000011110000';
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%dci.Allocation.Subset=3;
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dci.Allocation.RIV = 33;
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dci.Allocation.Gap = 0;
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dci.ModCoding=6;
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dci.RV=0;
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dci.DuplexMode = enb.DuplexMode;
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dci.NTxAnts = enb.CellRefP;
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pdcch.RNTI = 65535;
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pdcch.PDCCHFormat = 3;
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pdsch.Modulation='QPSK';
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pdsch.RNTI=pdcch.RNTI;
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if (enb.CellRefP == 1)
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pdsch.TxScheme='Port0';
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else
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pdsch.TxScheme='TxDiversity';
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end
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pdsch.NLayers=enb.CellRefP;
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pdsch.trblklen=176;
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pdsch.RV=dci.RV;
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% Begin frame generation
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subframe = lteDLResourceGrid(enb);
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%%% Create Reference Signals
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rsAnt = lteCellRS(enb);
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indAnt = lteCellRSIndices(enb);
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subframe(indAnt) = rsAnt;
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%%% Create PDCCH
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[dciMessage,dciMessageBits] = lteDCI(enb,dci);
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codedDciBits = lteDCIEncode(pdcch,dciMessageBits);
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pdcchInfo = ltePDCCHInfo(enb);
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pdcchBits = -1*ones(1,pdcchInfo.MTot);
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candidates = ltePDCCHSpace(enb,pdcch,{'bits','1based'});
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pdcchBits (candidates(1,1):candidates(1,2)) = codedDciBits;
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pdcchSymbols = ltePDCCH(enb, pdcchBits);
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pdcchIndices = ltePDCCHIndices(enb,{'1based'});
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subframe(pdcchIndices) = pdcchSymbols;
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% Create PDSCH
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pdsch.prbset = lteDCIResourceAllocation(enb,dci);
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[pdschIndices,pdschInfo] = ltePDSCHIndices(enb,pdsch,pdsch.prbset);
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dlschTransportBlk=randi([0 1],pdsch.trblklen,1);
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pdschcodeword = lteDLSCH(enb,pdsch,pdschInfo.G,dlschTransportBlk);
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%crced = lteCRCEncode(dlschTransportBlk, '24A');
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%encoded = lteTurboEncode(crced);
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%pdschcodeword2 = lteRateMatchTurbo(encoded,pdschInfo.G,pdsch.RV);
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pdschSymbols = ltePDSCH(enb,pdsch,pdschcodeword);
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subframe(pdschIndices) = pdschSymbols;
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txwaveform = lteOFDMModulate(enb,subframe);
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write_complex(filename,sum(txwaveform,2));
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fprintf('Written signal to %s\n',filename);
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