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Which among the following increases with an increase in spectrum handoff latency?

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in Cognitive Radio by (86.8k points)
Which among the following increases with an increase in spectrum handoff latency?

(a) Overhead

(b) Time of arrival

(c) Round trip time

(d) Link layer delay

I had been asked this question in an online quiz.

Query is from Next Generation Wireless Network in division Next Generation Wireless Network of Cognitive Radio

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Right answer is (c) Round trip time

Explanation: High spectrum handoff latency leads to increased round trip time. This in turn leads to retransmission time out. Existing protocols deduce the cause as packet loss and invoke the congestion avoidance mechanism resulting in the decrease of throughput. Cognitive radio network requires transport protocols that support spectrum mobility.

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