Question

Which among the following does not have significant use for time of day information?

a.

Policy monitoring

b.

Global positioning system

c.

Geo-location

d.

Frequency division multiplexing

Posted under Cognitive Radio

Answer: (d).Frequency division multiplexing Explanation:Time awareness is essential for a radio to learn and behave. Time of the day information is used in time division multiplexing and for gating policies in and out. It is used to compensate propagation delay from satellites to GPS receiver such that there is only 340 ns jitter.

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Q. Which among the following does not have significant use for time of day information?

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