Question

Which among the following occurs when intermediary nodes choose identical frequency bands?

a.

Link failure

b.

Increased cost

c.

Increased power

d.

Increased delay

Posted under Cognitive Radio

Answer: (d).Increased delay Explanation:In the location coordination scheme, multihop paths are created, where intermediary nodes might select an identical frequency band. It results in increased switching delay. This can be avoided by introducing a scheduling mechanism such as polling.

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Q. Which among the following occurs when intermediary nodes choose identical frequency bands?

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