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From: norton on 27 Mar 2010 17:22
i build a simulink blocks in order to make a simple QAM modulation using the Rayleigh fading channel.
but the problem that there is no delay .
i used error rate correlation to compute the delay, but it always = 0

also , i find that the signal is inverted after the channel and this gives me high error rate.
so if m = 2 then the error = 40%
if m = 16 then the error = 99%

i think this is high value of error, and should be smaller than this two previous values

also i tried to attach the picture of my simulation but i couldn't do that

HINT:
the blocks used: qam modulator/demodulator , Rayleigh channel , error rate correlation, align signals.

thanks for your support.
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