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25-09-2021 Cognitive Radio

Q. Which among the following is a common factor between peer to peer cognitive radio and a digital radio?

A. Automation
B. Inbuilt rules
C. Time cycle
D. Local operation

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Dapzoi Verified
Commented on 2021-09-25 14:22:29 (IST)
Answer: B

Explanation: Peer to peer cognitive radio rely on spectrum usage information from local neighbours but is mostly controlled by a set of comprehensive rules which are provided by the manufacturer. This reduces the amount of overhead in communication but leads to reduced efficiency. Decisions are taken by combining local spectrum awareness and inbuilt rules.