P1.. Consider the two signals transmitted over an AWGN channel with zero mean and PSD 10-2 W/Hz. s₁(t) = u(t)-u(t-1)-[u(t-1)-u(t-2)] $2(t)=-[u(t)u(t-1)]+u(t−1)-u(t−2) a) Sketch the signal constellation b) Construct an optimum correlation-type demodulator for this system c) Determine the bit error probability Pb when P(S1)=0.4 and p(S2)=0.6

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P1.. Consider the two signals transmitted over an AWGN channel with zero mean and PSD 10-2 W/Hz.
s₁(t) = u(t)-u(t-1)-[u(t-1)-u(t-2)]
$2(t)=-[u(t)u(t-1)]+u(t−1)-u(t−2)
a) Sketch the signal constellation
b) Construct an optimum correlation-type demodulator for this system
c) Determine the bit error probability Pb when P(S1)=0.4 and p(S2)=0.6
Transcribed Image Text:P1.. Consider the two signals transmitted over an AWGN channel with zero mean and PSD 10-2 W/Hz. s₁(t) = u(t)-u(t-1)-[u(t-1)-u(t-2)] $2(t)=-[u(t)u(t-1)]+u(t−1)-u(t−2) a) Sketch the signal constellation b) Construct an optimum correlation-type demodulator for this system c) Determine the bit error probability Pb when P(S1)=0.4 and p(S2)=0.6
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