how does AWGN and 16qam mod demod m file code look like ?

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here i attach my progress work to create m file.but a few i dont know how to complete this. i want to perform a constellation diagram for 16qam modulation http://www.mediafire.com/?36t505ivp5tdcsl
tq for any one who can help me..

回答(1 个)

jessica david
jessica david 2011-3-19
M = 16; % Size of alphabet x = randint(1000,1,M); % Random signal
y = qammod(x,M);
X=awgn(y,10);%add Gaussian noise
%scatterplot(X);%plot constellation diagram

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