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European SPACE project uses ____

(a) radio hearing method

(b) environment imaging method

(c) waveform based method

(d) environment sensing based method

The question was asked in an interview.

My question comes from Location Awareness in division Location and Environment Awareness in Cognitive Radio of Cognitive Radio

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Correct choice is (c) waveform based method

Easy explanation: Seamless positioning may be achieved by waveform based method. This approach requires knowledge on all type of existing and future waveforms of current and future systems. European SPACE project is an example of this method and offers centimeter level positioning accuracy.

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