Matlab - Constelaciones QAM No Uniformes

M = 16;

k = log2(M);

n = 50000;

muestras = 1;

rng default

entr = randi([0 1],n,1);

matr =bi2de( reshape(entr,length(entr)/k,k));

dataMod = qammod(matr,M,0);

dataModG = qammod(matr,M,0,'gray');

EbNo = 10;

ruido = EbNo + 10*log10(k) - 10*log10(muestras);

receivedSignal = awgn(dataMod,ruido,'measured');

receivedSignalG = awgn(dataModG,ruido,'measured');

sPlotFig = scatterplot(receivedSignal,1,0,'g.');

hold on

scatterplot(dataMod,1,0,'k*',sPlotFig)

M = 16;

k = log2(M);

n = 50000;

muestras = 1;

rng shuffle

entr = randi([0 10],n,1);

matr = entr ;

%matr =bi2de( reshape(entr,length(entr)/k,k));

dataMod = qammod(matr,M,0);

dataModG = qammod(matr,M,0,'gray');

EbNo = 10;

ruido = EbNo + 10*log10(k) - 10*log10(muestras);

receivedSignal = awgn(dataMod,ruido,'measured');

receivedSignalG = awgn(dataModG,ruido,'measured');

sPlotFig = scatterplot(receivedSignal,1,0,'g.');

hold on

grid on

scatterplot(dataMod,1,0,'k*',sPlotFig)