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 delayI 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

Which among the following increases with an increase in spectrum hando

1.	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 delayI 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
Answer» 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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