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62 lines
1.6 KiB
Matlab
62 lines
1.6 KiB
Matlab
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clear
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NofENB = 1;
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for i=1:NofENB
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enb = lteTestModel('1.1','5MHz');
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enb.TotSubframes = 10;
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if (i == 1)
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tx_signal = lteTestModelTool(enb);
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else
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tx_signal = tx_signal + lteTestModelTool(enb);
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end
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end
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corrcfg.PSS='On';
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corrcfg.SSS='On';
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corrcfg.CellRS='On';
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cec = struct; % Channel estimation config structure
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cec.PilotAverage = 'UserDefined'; % Type of pilot symbol averaging
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cec.FreqWindow = 9; % Frequency window size
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cec.TimeWindow = 9; % Time window size
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cec.InterpType = 'Linear'; % 2D interpolation type
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cec.InterpWindow = 'Centered'; % Interpolation window type
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cec.InterpWinSize = 1; % Interpolation window size
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addpath('../../debug/lte/phy/lib/sync/test')
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addpath('../../debug/lte/phy/lib/ch_estimation/test')
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%tx_signal = signal;
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enb = struct('NDLRB',6,'CyclicPrefix','Normal','DuplexMode','FDD');
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[cellid, offset] = lteCellSearch(enb, tx_signal,1);
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enb.NCellID=cellid;
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disp(offset)
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enb.NSubframe = 0;
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rxWaveform = tx_signal(1+offset:end,:);
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rxGrid = lteOFDMDemodulate(enb,rxWaveform);
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enb.CellRefP = 4;
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[hest, nest] = lteDLChannelEstimate(enb,cec,rxGrid);
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griddims = lteResourceGridSize(enb); % Resource grid dimensions
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L = griddims(2);
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pbchIndices = ltePBCHIndices(enb);
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[pbchRx, pbchHest] = lteExtractResources( ...
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pbchIndices, rxGrid(:,1:L,:), hest(:,1:L,:,:));
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% Decode PBCH
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[bchBits, pbchSymbols, nfmod4, mib, enb.CellRefP] = ltePBCHDecode( ...
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enb, pbchRx, pbchHest, nest);
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% Parse MIB bits
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enb = lteMIB(mib, enb)
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%plot(angle(hest(:,[1 4],1,1)));
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