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In ____ approach, the distance between two cognitive radios is found by estimating ____ information.

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In ____ approach, the distance between two cognitive radios is found by estimating ____ information.

(a) cooperative location awareness, triangulation

(b) cooperative location awareness, ranging

(c) composite location awareness, triangulation

(d) composite location awareness, time of flight

This question was addressed to me by my college professor while I was bunking the class.

This question is from Environment Awareness in chapter Location and Environment Awareness in Cognitive Radio of Cognitive Radio

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(b) cooperative location awareness, ranging

In the cooperative location awareness approach, the distance between two cognitive radios is determined by estimating ranging information. This involves using measurements like signal strength or time of flight to calculate the distance between the radios.

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