Question

Which among the following may be employed to reduce performance degradation on a route with interference towards primary users?

a.

Multiple spectrum brokers

b.

Spatially distributed amplifiers

c.

Multi-spectrum interfaces

d.

Spatially distributed base-stations

Posted under Cognitive Radio

Answer: (c).Multi-spectrum interfaces Explanation:If a route between two xG users causes interference to surrounding primary users, it might affect the end-to-end latency or might cause packet loss along the route. This could be overcome by using multiple spectrum interfaces at intermediary nodes which introduces multiple hops in a route.

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Q. Which among the following may be employed to reduce performance degradation on a route with interference towards primary users?

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