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Efficient Computation of EXIT Functions for Nonbinary Iterative Decoding

Kliewer, Jorg, Ng, S.X and Hanzo, L (2006) Efficient Computation of EXIT Functions for Nonbinary Iterative Decoding IEEE Transactions on Communications, 54, (12), pp. 2133-2136.

Record type: Article

Abstract

The calculation of nonbinary extrinsic information transfer charts for the iterative decoding of concatenated index-based codes is addressed. We show that the extrinsic information at the output of a constituent a posteriori probability decoder can be calculated with very low complexity, where expensive histogram measurements are not required anymore. An example for turbo trellis-coded modulation demonstrates the capabilities of the proposed approach.

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Published date: December 2006
Keywords: Terms—Extrinsic information transfer (EXIT) charts, nonbinary iterative decoding, turbo trellis-coded modulation (TTCM)
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 263288
URI: http://eprints.soton.ac.uk/id/eprint/263288
PURE UUID: 1b61fe59-c74f-4185-89cd-30c116f52d05

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Date deposited: 05 Jan 2007
Last modified: 18 Jul 2017 07:47

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Contributors

Author: Jorg Kliewer
Author: S.X Ng
Author: L Hanzo

University divisions

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