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Which among the following is responsible for recovering the routing table in case of route break?

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Which among the following is responsible for recovering the routing table in case of route break?

(a) xG user

(b) xG base-station

(c) Primary base-station

(d) Spectrum broker

I got this question during an interview.

My query is from Next Generation Wireless Network in chapter Next Generation Wireless Network of Cognitive Radio

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Best answer
The correct choice is (a) xG user

The explanation: Route breaking is likely to occur during spectrum handoff. The xG user has to recover the routing table in case of a route break. One approach is to build a new routing table for handoff and the other method is to create a routing table for the redundant channel before beginning data transmission.

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