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b) (8 marks) Given a two-branch diversity combining receiver. The channel of each diversity branch takes a value of I with probability of 0.8, and

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b) (8 marks) Given a two-branch diversity combining receiver. The channel of each diversity branch takes a value of I with probability of 0.8, and takes a value of 0.I with a probability of 0.2. The two branches are independent. The modulation used is DPSK, ( Popesx [Gaussian] = =e"?) and y = E, /N. =20. 1) (3 marks) Determine the average error probability of a maximum ratio combining diversity receiver (MRC) ily (5 marks) Determine the average error probability of a "selective-diversity" receiver. Compare the two results

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