Efficient stopping rule for turbo decoders

M. Rovini; A. Martinez

doi:10.1049/el:20064403

Efficient stopping rule for turbo decoders

M. Rovini, A. Martinez

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

A new stopping rule for turbo codes, the input-output consistency (IOC) check is presented. It is based on an extended maximum a posteriori algorithm that also outputs (hard) extrinsic estimates on the coded bits. In parallel, the hard decisions of the info bits are re-encoded and if the two sequences coincide, iterative decoding is stopped. Remarkably, IOC beats other known stopping rules in terms of error rate and convergence speed, closely approaching ideal 'Genie'-aided decoding.

Original language	English
Pages (from-to)	235-236
Number of pages	2
Journal	Electronics Letters
Volume	42
Issue number	4
DOIs	https://doi.org/10.1049/el:20064403
Publication status	Published - 2006

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title = "Efficient stopping rule for turbo decoders",

abstract = "A new stopping rule for turbo codes, the input-output consistency (IOC) check is presented. It is based on an extended maximum a posteriori algorithm that also outputs (hard) extrinsic estimates on the coded bits. In parallel, the hard decisions of the info bits are re-encoded and if the two sequences coincide, iterative decoding is stopped. Remarkably, IOC beats other known stopping rules in terms of error rate and convergence speed, closely approaching ideal 'Genie'-aided decoding.",

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AB - A new stopping rule for turbo codes, the input-output consistency (IOC) check is presented. It is based on an extended maximum a posteriori algorithm that also outputs (hard) extrinsic estimates on the coded bits. In parallel, the hard decisions of the info bits are re-encoded and if the two sequences coincide, iterative decoding is stopped. Remarkably, IOC beats other known stopping rules in terms of error rate and convergence speed, closely approaching ideal 'Genie'-aided decoding.

U2 - 10.1049/el:20064403

DO - 10.1049/el:20064403

M3 - Article

SN - 0013-5194

VL - 42

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JO - Electronics Letters

JF - Electronics Letters

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Efficient stopping rule for turbo decoders

Abstract

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