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Question 2 [10 Marks A baseband binary message with a bit rate R = 100kbps modulates an RF carrier of 3 GHz by using BPSK.

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Question 2 [10 Marks A baseband binary message with a bit rate R = 100kbps modulates an RF carrier of 3 GHz by using BPSK. a) What is maximum rms delay spread of the channel to have flat-fading channel? 14 Marks b) If the mobile user moves at speed of 72 Km/hour, what will be the coherence time of the channel? 16 Marks

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