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________ provides information on path loss behaviour.

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________ provides information on path loss behaviour.

(a) Very large scale statistics

(b) Large scale statistics

(c) Small scale statistics

(d) Very small scale statistics

This question was posed to me during an interview.

Question is taken from Environment Awareness topic in chapter Location and Environment Awareness in Cognitive Radio of Cognitive Radio

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Correct option is (b) Large scale statistics

The explanation is: Large scale statistics provides information on path loss behaviour of channel environment. Small scale statistics provides information on variations caused in the received signal in time and frequency due to short displacements.

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