87 lines
2.5 KiB
Matlab
87 lines
2.5 KiB
Matlab
% ulsim command for same pusch config
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% ./nr_ulsim -m 27 -u 1 -R 51 -r 51 -s 300 -ouci_on_pusch_oack3_ocsi14_ocsi20.bin
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carrier = nrCarrierConfig;
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carrier.NSizeGrid = 51;
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carrier.NSlot = 8;
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carrier.SubcarrierSpacing = 30;
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carrier.CyclicPrefix = "normal";
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pusch = nrPUSCHConfig;
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pusch.PRBSet = 0:carrier.NSizeGrid-1;
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pusch.SymbolAllocation = [0,12];
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pusch.MappingType = "B";
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pusch.NID = 0;
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pusch.RNTI = 4660;
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pusch.NumLayers = 1;
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pusch.TransformPrecoding = false;
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pusch.TransmissionScheme = "nonCodebook";
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pusch.NumAntennaPorts = 1;
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pusch.TPMI = 0;
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pusch.Modulation = "64QAM";
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pusch.DMRS.DMRSConfigurationType = 1;
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pusch.DMRS.DMRSTypeAPosition = 2;
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pusch.DMRS.NumCDMGroupsWithoutData = 1;
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pusch.DMRS.DMRSAdditionalPosition = 0;
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pusch.DMRS.NIDNSCID = 0;
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pusch.DMRS.NRSID = 0;
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pusch.DMRS.NSCID = 0;
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pusch.DMRS.GroupHopping = 0;
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pusch.DMRS.SequenceHopping = 0;
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pusch.BetaOffsetACK = 20;
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pusch.BetaOffsetCSI1 = 6.25;
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pusch.BetaOffsetCSI2 = 6.25;
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pusch.UCIScaling = 1;
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A = 37896;
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rate = 910 / 1024;
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rv = 0;
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modulation = pusch.Modulation;
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nlayers = pusch.NumLayers; % Number of layers for decoding
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oack = 3;
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ocsi1 = 4;
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ocsi2 = 4;
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cbsInfo = nrULSCHInfo(pusch, rate, A, oack, ocsi1, ocsi2); % Get ULSCH information
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ack = randi([0 1],oack,1);
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csi1 = randi([0 1],ocsi1,1);
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csi2 = randi([0 1],ocsi2,1);
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cack = nrUCIEncode(ack,cbsInfo.GACK,pusch.Modulation);
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ccsi1 = nrUCIEncode(csi1,cbsInfo.GCSI1,pusch.Modulation);
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ccsi2 = nrUCIEncode(csi2,cbsInfo.GCSI2,pusch.Modulation);
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tb_data = randi([0 1],A,1);
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% Transport block CRC attachment
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tbIn = nrCRCEncode(tb_data,cbsInfo.CRC);
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% Code block segmentation and CRC attachment
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cbsIn = nrCodeBlockSegmentLDPC(tbIn,cbsInfo.BGN);
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% LDPC encoding
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enc = nrLDPCEncode(cbsIn,cbsInfo.BGN);
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% Rate matching and code block concatenation
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chIn = nrRateMatchLDPC(enc,cbsInfo.GULSCH,rv,modulation,nlayers);
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culsch = chIn;
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% Get the codeword and locations of each type (data and UCI)
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[cw,indInfo] = nrULSCHMultiplex(pusch,rate,A,culsch,cack,ccsi1,ccsi2);
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cw_scr = nrPUSCHScramble(cw,pusch.NID,pusch.RNTI);
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% Write to bin file
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file_name = sprintf('uci_on_pusch_oack%d_ocsi1%d_ocsi2%d.bin', oack, ocsi1, ocsi2);
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fid = fopen(file_name, 'wb');
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to_write = [A,oack,ocsi1,ocsi2,length(cw),length(cw_scr)];
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fwrite(fid, to_write, 'uint32'); % Write the data to the binary file
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fwrite(fid, tb_data, "uint8");
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fwrite(fid, ack, "uint8");
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fwrite(fid, csi1, "uint8");
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fwrite(fid, csi2, "uint8");
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fwrite(fid, cw, "uint8");
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fwrite(fid, cw_scr, "uint8");
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fclose(fid); % Close the file after writing
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