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From: "sathish kumar" <satty634@gmail.com>
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Subject: Re: mat lab file
Date: Sat, 28 Jul 2012 05:30:45 +0000 (UTC)
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thank u for reply
no i am not lazy
i am trying to write the code for qr decomposition  but it is not getting results
so that way i need help
i am new to this mimo topic
i had written the code for mimo channel but it showing the results as 
   ''undifined command/function 'mimo' ''
here is my code 
please help me

clear all
chan = mimochan(4,4,1e-4,60)
y = filter(chan, x)
t = (0:25)*chan.sampleperiod;
plot (t,abs(y))
xlabel ('time(s)')
ylabel('amplitude')
legend('1st antenna output','2nd antenna output')