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A binary modulation scheme used the following two signal points.
Determine the error probability in terms of Q-function if we communicate over an AWN Channel where the noise has power spectral density of 1.25 × 10-6 W/Hz
  • a)
    25 × 10-6 W/Hz1.Q[100]
  • b)
    Q[2000]
  • c)
    Q[1000]
  • d)
    Q[10]
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A binary modulation scheme used the following two signal points.Determ...
Concept:
For binary modulation scheme:
Probability of Error (Pe) =
Where dmin = distance between two signaling
N0 = Noise power spectral density
Calculation:
From fig d1 = (-1, 1)
d2 = (1, 2)
distance between ‘2’ point dmin =
By default,
Noise power spectral density is considered two-sided.
Pe = Q[1000]
Free Test
Community Answer
A binary modulation scheme used the following two signal points.Determ...
Concept:
For binary modulation scheme:
Probability of Error (Pe) =
Where dmin = distance between two signaling
N0 = Noise power spectral density
Calculation:
From fig d1 = (-1, 1)
d2 = (1, 2)
distance between ‘2’ point dmin =
By default,
Noise power spectral density is considered two-sided.
Pe = Q[1000]
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A binary modulation scheme used the following two signal points.Determine the error probability in terms of Q-function if we communicate over an AWN Channel where the noise has power spectral density of 1.25 × 10-6 W/Hza)25 × 10-6 W/Hz1.Q[100]b)Q[2000]c)Q[1000]d)Q[10]Correct answer is option 'C'. Can you explain this answer?
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