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How do I know the baseband (BB) from FFT?

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Hi, I have a signal in the frequency domain on the receiver side and I need to know the data that I have received to calculate the bit error rate (BER).

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Kaashyap Pappu
Kaashyap Pappu on 24 Dec 2019
If you have the frequency-domain samples, you can use the ifft function to get the time-domain samples. Following this, use the biterr function with you time-domain samples and the original transmitted sequence to determine the Bit-Error Rate.
Hope this helps!

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