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Which among the following has to be carried out after the spectrum is allocated for communication?

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Which among the following has to be carried out after the spectrum is allocated for communication?

(a) Listen for the arrival of the primary user

(b) Handshake mechanism between transmitter and receiver

(c) Estimate the duration of communication

(d) Forward interference information to spectrum broker

The question was posed to me in my homework.

This interesting question is from Next Generation Wireless Network topic in portion Next Generation Wireless Network of Cognitive Radio

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The correct option is (b) Handshake mechanism between transmitter and receiver

Explanation: The selected portion of the spectrum must be informed to the receiver of data. This is accomplished by invoking a transmitter-receiver handshake protocol that is used for effective communication in xG networks.

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