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Envelope of the sum of two quadrature Gaussian noise signal obeys _________ distribution.

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Envelope of the sum of two quadrature Gaussian noise signal obeys _________ distribution.

(a) Rayleigh

(b) Inverse Gaussian

(c) Nakagami

(d) Gamma

This question was posed to me in a national level competition.

The doubt is from Rayleigh and Ricean Distribution topic in section Mobile Radio Propagation: Small – Scale Fading and Multipath of Wireless/Mobile

1 Answer

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Best answer
Right answer is (a) Rayleigh

The best explanation: It is well known that the envelope of the sum of two quadrature Gaussian noise signal obeys Rayleigh distribution. This fading distribution could be applied to any scenario where there is no line of sight path between transmitter and receiver antennas.

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