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Ricean distribution degenerates to ________ distribution when the dominant component fades away.

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Ricean distribution degenerates to ________ distribution when the dominant component fades away.

(a) Log normal

(b) Gamma

(c) Rayleigh

(d) Gaussian

The question was posed to me by my school principal while I was bunking the class.

Asked question is from Rayleigh and Ricean Distribution in chapter Mobile Radio Propagation: Small – Scale Fading and Multipath of Wireless/Mobile

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The correct option is (c) Rayleigh

For explanation: Ricean distribution degenerates to Rayleigh distribution when the dominant component fades away. As the dominant signal becomes weaker, the composite signal resembles a noise signal which has an envelope that is Rayleigh.

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