MQAM.zip_MQAM

fs = 128e3 ;

fc = 20e3;

M=16;

type_of_mod='qam';

Down_samp = 2;

test_data = 'my_speech.wav';

siz = wavread(test_data, 'size');

[data, fcar] = wavread(test_data);

x = [data]' ; % coulnm to row vector conversion

z1 = (z - (M-1)/2) / M ;

orig_sp = my_rrcosflt(z1, fcar, fs, .22, 3, 'fs');

sound(orig_sp, fcar);

scale = modnorm(y,'peakpow',1);

y = scale*y; % Scale the constellation.

scatterplot(y); % Plot the scaled constellation.

grid on;