Noise and Data Errors Nominal Observation for “1” Nominal Observation for “0” Probability density for “0” with Noise Probability density for “1” with Noise.

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Presentation transcript:

Noise and Data Errors Nominal Observation for “1” Nominal Observation for “0” Probability density for “0” with Noise Probability density for “1” with Noise Probability that “0” will be received in error. Probability that “1” will be received in error. Decision Threshold

Gaussian Noise Variance of Gaussian distribution is equal to RMS noise voltage.

Ebeneezer Received Energy per bit : Ratio of Received Power to Bit Rate: Received Noise Spectral Density: Ratio of Received Noise Power to Bandwidth: Ebeneezer: Ratio of Energy per Bit to Noise Spectral Density