[Discuss-gnuradio] Eb/N0 Ofdm

[Marbellys]

Hello

I'm simulating an OFDM scheme with channel coding and digital modulation (16
QAM). 
I would like to calculate BER values with an "Error Rate" block while I vary
the amplitude of the noise voltage, using for this, a slider to vary the
Eb/N0.

My question is: What expression (or equation) should I use on the noise
voltage so it depends on the Eb/N0?

Than you.
Marbellys



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