srsLTE/matlab/tests/test_ofdma_peakamp.m

33 lines
1.1 KiB
Matlab

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