why is BPSK better than BFSK in presence of noise

Answer Posted / tariq

We have two types of fadng
1)frequency slective fading
2)flat fading
The noise will also occupy some frequency it may damage
the signal flately or frequency slectively. But in PSK
there is very less chance in the changing of phase f the
signal.
Hence for noisy channel PSK is better than FSK

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