Shannon Theory, Concatenated Codes and Turbo Coding

5/13/98


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Table of Contents

Shannon Theory, Concatenated Codes and Turbo Coding

Shannon Channel Coding Fundamentals

PPT Slide

Central Problem of Channel Coding Theory for Past 50 Years

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Concatenated Codes “Divide and Conquer”

Concatenated Code Performance Improvements

Simplified MAP Decoder

Simplified MAP Algorithm

“Turbo Decoding” Soft Iterative Decoding of Concatenated Codes

PPT Slide

Error Probability Performance

PPT Slide

Computation of T(W,Z) and T(Z) (General)

Computation of Tc(W,Z) for Concatenated Codes

PPT Slide

Improved Union Bound (Gallager [1963])

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Author: Audrey M. Viterbi