Question

Why is cooperation required in spectrum sensing?

a.

Elimination of base-station

b.

Elimination of xG users

c.

Interference avoidance

d.

Improvement of sensing accuracy

Posted under Cognitive Radio

Answer: (d).Improvement of sensing accuracy Explanation:The cognitive radio user monitors and studies the local radio environment to identify the current spectrum availability. The information gathered by each user is shared between its neighbours. This practice is known as cooperation in sensing and it improves the sensing accuracy.

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Q. Why is cooperation required in spectrum sensing?

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