Which among the following is not a function of the dynamic spectrum access protocol?(a) Collision avoidance(b) Resolve spectrum access contention(c) Transparency for primary user(d) Efficient dynamic spectrum allocationThe question was asked at a job interview.This intriguing question comes from Next Generation Wireless Network in section Next Generation Wireless Network of Cognitive Radio

Which among the following is not a function of the dynamic spectrum ac

1.	Which among the following is not a function of the dynamic spectrum access protocol?(a) Collision avoidance(b) Resolve spectrum access contention(c) Transparency for primary user(d) Efficient dynamic spectrum allocationThe question was asked at a job interview.This intriguing question comes from Next Generation Wireless Network in section Next Generation Wireless Network of Cognitive Radio
Answer» Correct option is (b) Resolve SPECTRUM access contention For EXPLANATION: The primary user does not INTERACT or coordinate with the secondary user. Therefore the secondary user must be made transparent for the primary user. DSAP should avoid collision between primary users and secondary users by introducing power constraints. The spectrum should be allocated such that AVERAGE network throughput is increased.

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