2007•Proceedings of the IEEERequires access

Recent Advances in Turbo Code Design and Theory

Branka Vucetic, Yonghui Li, Lance C. Pérez, Fan Jiang

Abstract

The discovery of turbo codes and the subsequent rediscovery of low-density parity-check (LDPC) codes represent major milestones in the field of channel coding. Recent advances in the design and theory of turbo codes and their relationship to LDPC codes are discussed. Several new interleaver designs for turbo codes are presented which illustrate the important role that the interleaver plays in these codes. The relationship between turbo codes and LDPC codes is explored via an explicit formulation of the parity-check matrix of a turbo code, and simulation results are given for sum product decoding of a turbo code.

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Key concepts: Turbo code, Low-density parity-check code, Serial concatenated convolutional codes, Concatenated error correction code, Computer science, Turbo equalizer, Linear code, Theoretical computer science