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Unformatted text preview: capability of the code. c) A binary source of rate R bits/sec. is transmitted across an AWGN channel with power spectral density S N w ( f ) = N / 2 , using a binary coded communication system with the above code and a BFSK coherent modulation scheme. The transmitted power is P . i) Diagram a complete communication system which uses the code and which has an optimum hard decision receiver. Be sure to indicate the function of every component and identify all the parameters. ii) Find R b W . iii) Find an exact expression or an upper bound for the bit error probability P b ( E ) ....
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- Fall '11