Question

Which among of the following may be employed to synchronise base station to local reference station?

a.

Two signals of different frequency

b.

Two signals of different phase

c.

Four signals of different frequency

d.

Four signals of different phase

Posted under Cognitive Radio

Answer: (a).Two signals of different frequency Explanation:Synchronisation between base station and local reference station may be achieved by using accurate synchronous clocks, employing two signals of different frequency, or through measurement to or triggering from a common reference point.

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Q. Which among of the following may be employed to synchronise base station to local reference station?
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