What is a non-handoff?(a) xG user selects a channel from the unlicensed band(b) xG user selects a channel in the licensed spectrum band(c) xG user removes another user in the unlicensed band(d) xG user eliminates a primary user in the unlicensed bandI have been asked this question in an internship interview.The query is from Next Generation Wireless Network topic in portion Next Generation Wireless Network of Cognitive Radio

What is a non-handoff?(a) xG user selects a channel from the unlicense

1.	What is a non-handoff?(a) xG user selects a channel from the unlicensed band(b) xG user selects a channel in the licensed spectrum band(c) xG user removes another user in the unlicensed band(d) xG user eliminates a primary user in the unlicensed bandI have been asked this question in an internship interview.The query is from Next Generation Wireless Network topic in portion Next Generation Wireless Network of Cognitive Radio
Answer» RIGHT option is (b) xG user selects a channel in the LICENSED spectrum band For EXPLANATION I would say: Spectrum handoff is the process of changing the spectrum band and modifying the communication PARAMETERS to suit the selected spectrum band. In the non-handoff method, the xG users select an unused spectrum in the licensed band which is temporarily unoccupied by the PRIMARY user. The disadvantage of this method is the high waiting latency.

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