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Lecture16 - Colorado State University Ft Collins ECE 516...

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1 Colorado State University, Ft. Collins Fall 2008 ECE 516: Information Theory Lecture 16 October 23, 2008 Recap: 7.13 Joint Source-channel Coding Theorem 1. C H < is sufficient and necessary for reliable information transmission. 2. We do not lose anything by separating source and channel coding. 7.14 Channel Coding and Error Exponent ( ) ( ) ( ) ( ) ( ) R E x y p x p R P n r y x n e = ∑ ∑ + + < Y X ρ ρ ρ ρ 1 1 1 1 0 | log max log 1 which is known as the random coding exponent. ( ) ( ) R nE n e r e P
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