Interleaver Design for Turbo Codes

Details Interleaver Design for Turbo Codes Interleaver Design for Turbo Codes

2002-07-23

arxiv.org/abs/math/0207209v1

IEEE J. Selected Areas Communication, 19 (2001), 831-837

Mathematics

Combinatorics

19 pages, 4 figures

Scientific paper

The performance of a Turbo code with short block length depends critically on the interleaver design. There are two major criteria in the design of an interleaver: the distance spectrum of the code and the correlation between the information input data and the soft output of each decoder corresponding to its parity bits. This paper describes a new interleaver design for Turbo codes with short block length based on these two criteria. A deterministic interleaver suitable for Turbo codes is also described. Simulation results compare the new interleaver design to different existing interleavers.

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