Question

Which among the following statements is false about spectrum aware routing?

a.

Spectrum aware routing does not require local spectrum knowledge

b.

Spectrum aware routing requires cooperation sensing

c.

Spectrum aware routing performs poorly during link failure

d.

Spectrum aware routing does not generate large overhead

Posted under Cognitive Radio

Answer: (a).Spectrum aware routing does not require local spectrum knowledge Explanation:Spectrum aware routing operates with global knowledge as well as with local knowledge. Each user is aware of another user when global knowledge is available. Otherwise each user constructs spectrum routes using spectrum availability information obtained locally by distributed protocol.

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Q. Which among the following statements is false about spectrum aware routing?

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