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Frequency diversity uses ________ as a diversity element.(a) Correlation coefficient(b) Coherence time(c) Coherence bandwidth(d) SNRThis question was addressed to me by my college director while I was bunking the class.The origin of the question is Diversity Techniques in portion Equalization, Diversity and Channel Coding of Wireless/Mobile

Answer»

Right option is (c) Coherence bandwidth

Easiest EXPLANATION: The rationale BEHIND the FREQUENCY diversity is that frequencies separated by more than the coherence bandwidth of the channel will be uncorrelated. Thus, they will not experience the same FADE.



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