Digital communications Question:a) Binary data is to be sent at the rate R, = 100 K bits/s over a channel with 40 dB transmission loss and noise density N, =10-12 W/H, at the receiver. What...

Digital communications Question:a) Binary data is to be sent at the rate R, = 100 K bits/s over a channel with 40 dB transmission loss and noise density N, =10-12 W/H, at the receiver. What transmitted power is needed to get P. = 104 for coherent BPSK modulation