Determine the message efficiency


Assignment:

A digital message x(nT ) with T = 1µs, has iid symbols with PMD

Px(1) = Px(-1) = 1/3, Px(2) = Px(-2) = Px(0) = 1/9

a) Find the message efficiency.

b) Find a source coding scheme in which the output message yn has a ternary alphabet and unit efficiency. What is the symbol period for yn?

c) Is it possible to find a channel coding scheme for yn that will allow transmission over a BSC with symbol period Tb = 400 ns and bit error probability Pbit = 10-2, with an overall error probability P[yn ≠ yn] < 10-7 ?

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Marketing Management: Determine the message efficiency
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