Question

Why common channel control is required for routing?

a.

Transmission coordination

b.

Time of arrival synchronization

c.

Broadcasting

d.

Spectrum analysis

Posted under Cognitive Radio

Answer: (c).Broadcasting Explanation:The existing routing protocols for functionalities such as neighbour discovery, route discovery, and route establishment need to broadcast messages either globally or locally. The lack of a common control channel makes it difficult to send broadcast messages in xG networks.

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Q. Why common channel control is required for routing?
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