# A NRZ 8-ary PAM signal plus Gaussian noise with PSD N0 = 2 _10-6 W/Hz are applied to a detector….

A NRZ 8-ary PAM signal plus Gaussian noise with PSD N0 = 2 _10_6 W/Hz are applied to a detector. Assume that the bit rate of the
signal is Rb = 150 kbps; the spacing between transmitted symbol levels is 2 V,
that is, 1 V, 3 V, 5 V, 7 V; and no intersymbol interference (ISI) is
present at the sampling instants at the output of a raised cosine filter with a
roll-off factor of _ = 0.4.

a. Show the values of the signal points at the matched-filter
output,

b. Calculate the signal-to-noise power ratio at the output
of the matched-filter receiver at the sampling instant,

c. Calculate

A NRZ 8-ary PAM signal plus Gaussian noise with PSD N0 = 2 _10_6 W/Hz are applied to a detector. Assume that the bit rate of the
signal is Rb = 150 kbps; the spacing between transmitted symbol levels is 2 V,
that is, 1 V, 3 V, 5 V, 7 V; and no intersymbol interference (ISI) is
present at the sampling instants at the output of a raised cosine filter with a
roll-off factor of _ = 0.4.

a. Show the values of the signal points at the matched-filter
output,

b. Calculate the signal-to-noise power ratio at the output
of the matched-filter receiver at the sampling instant,

c. Calculate the symbol error probability assuming Gray
encoding.

d. Determine the transmission bandwidth

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