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Which among the following is a step in defining propagation characteristics in environment awareness engine using cognitive radio?

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Which among the following is a step in defining propagation characteristics in environment awareness engine using cognitive radio?

(a) Terrain mapping

(b) Temperature monitory

(c) Object tracking

(d) Channel environment adaption

I got this question in an interview for job.

The query is from Environment Awareness in section Location and Environment Awareness in Cognitive Radio of Cognitive Radio

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Best answer
Right choice is (d) Channel environment adaption

Best explanation: The first step in defining propagation characteristics using cognitive radio is environment recognition and classification. It is followed by obtaining the parameters necessary for statistical propagation model. The final step is channel environment adaption.

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