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Problem 1) A certain telephone channel has Hc(ω)=10−3 over the signal band. The message signal PSD is Sm(ω)=βrect(ω/2α
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Problem 1) A certain telephone channel has Hc(ω)=10−3 over the signal band. The message signal PSD is Sm(ω)=βrect(ω/2α
Problem 1) A certain telephone channel has Hc(ω)=10−3 over the signal band. The message signal PSD is Sm(ω)=βrect(ω/2α), with α=8000π. The channel noise PSD is Sn(ω)=10−8. If the output SNR at the receiver is required to be at least 30 dB, what is the minimum transmitted power required? Calculate the value of β corresponding to this power.