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Q3. Suppose a communication system utilizes a frequency band which is exactly equal to the coher- [ ence bandwidth of a wireless channel whose power delay profile is shown in Fig.Q3 and requires a signal to noise ratio (SNR) (in dB) of at least 40 dB to operate without unacceptable bit errors. Calculate the maximum channel transmission capacity as predicted by the Shannon equation. Re- peat this problem again using Nyquist equation for binary signal. P(T) 0 dB -10 dB -20 dB -30 dB 0 50 75 100 t(nano seconds) Fig. 23