Q2) A communication system employs 8-ary ASK modulation. The symbols are represented by the signals A cos(21fct) V. The

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Q2) A communication system employs 8-ary ASK modulation. The symbols are represented by the signals A cos(21fct) V. The

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Q2 A Communication System Employs 8 Ary Ask Modulation The Symbols Are Represented By The Signals A Cos 21fct V The 1
Q2 A Communication System Employs 8 Ary Ask Modulation The Symbols Are Represented By The Signals A Cos 21fct V The 1 (43.41 KiB) Viewed 41 times
Q2) A communication system employs 8-ary ASK modulation. The symbols are represented by the signals A cos(21fct) V. The symbol duration is T = 5 x 10-4 s and the channel is AWGN. (a) Consider the two schemes below. Scheme 1: A = +1, +3, +5,27 and Scheme 2: A = 1,3,5,7,9, 11, 13, 15. What is the BER for Scheme 2 if the BER for Scheme 1 is 10-57 [3 marks] (b) Calculate E (average energy per bit), respectively, for both schemes in (a). [3 marks] (As always, assume a 1. load resistance.)
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