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33 lines
1.1 KiB
Matlab
33 lines
1.1 KiB
Matlab
10 years ago
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clear
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enbConfig=struct('NCellID',0,'DuplexMode','TDD','CyclicPrefix','Normal','CellRefP',1,'CFI',2,'NDLRB',25,'NSubframe',4,'CyclicPrefixUL','Normal','NTxAnts',1);
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pdschConfig=struct('NLayers',1,'TxScheme','Port0','OrthCover','Off','PRBSet',0,'RNTI',82,'Modulation','QPSK','RV',0,'Shortened',0);
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addpath('../../debug/lte/phy/lib/phch/test')
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NDLRB=[6 15 25 50 100];
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Peak=[];
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k=1;
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for r=1:length(NDLRB)
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fprintf('NDLRB: %d\n',NDLRB(r));
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for l=1:NDLRB(r)
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trblkin=randi(2,l*5,1)-1;
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enbConfig.NDLRB=NDLRB(r);
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pdschConfig.PRBSet=(0:(l-1))';
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idx=ltePDSCHIndices(enbConfig,pdschConfig,pdschConfig.PRBSet);
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[cw, info]=lteDLSCH(enbConfig,pdschConfig,2*length(idx),trblkin);
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cw_mat=ltePDSCH(enbConfig,pdschConfig,cw);
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subframe_mat = lteDLResourceGrid(enbConfig);
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subframe_mat(idx)=cw_mat;
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waveform = lteOFDMModulate(enbConfig,subframe_mat,0);
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waveform = waveform*sqrt(512)/sqrt(l)*NDLRB(r)/15;
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Peak(k)=max(max(abs(real(waveform))),max(abs(imag(waveform))));
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k=k+1;
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end
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end
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plot(Peak(:)')
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