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Discussion :: GATE ECE

  1. A BPSK scheme operating over an AWGN channel with noise power spectral density of N0 / 2 , uses equiprobable signals s1(t) = √2E/T sin(wc t) and s2(t) = -√2E/T sin(wc t) over the symbol interval (0, T). If the local oscillator in a coherent receiver is ahead in phase by 45o with respect to the received signal, the probability of error in the resulting system is
    2. A.
    Q(√2E/N0)
    B.
    Q(√E/N0)
    C.
    Q(√E/2N0)
    D.
    Q(√E/4N0)

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    Answer : Option B

    Explanation :

    -NA-

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