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BPSK Demodulation Eb/N0 vs BER

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I want to plot Eb/N0 vs BER bpsk demodulation in Matlab. I am using BPSK modulated signal @  carrier frequencey 8KHz, data rate 1KHz. Sampling rate is set
I have tried to use awgn function for adding noise. This signal accepts Signal to noise ratio (SNR)in parameters. In order to convert into Eb/N0 for BPSK signal. I have used following relation
         SNR = Eb/N0 + 10log(R/B) (This formula i have seen for Base Band signal does it work for band pass as well)
R=data rate (1KHz in our case)
B= channel width  (I have found in some literature that B=sampling rate=96000Hz in our case)
For Eb/ N0=0 dB SNR appears to be -19.22dB (which seems wrong, being too small)

Can anybody suggest mistake in this formula? 
Thanks,
Avais
0
Reply muhammad 12/21/2010 11:39:13 AM 

Dear I also got the same problem, if u find out solution for this please let me know.
Thanks in advance. My email id is shahnawaz_kundlik@hotmail.com
0
Reply Muhammad 1/3/2011 4:16:21 PM

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