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Extrinsic Information Transfer Analysis and Design of Block-Based Intermediate Codes

Maunder, R. G. and Hanzo, L. (2011) Extrinsic Information Transfer Analysis and Design of Block-Based Intermediate Codes IEEE Transactions on Vehicular Technology, 60, (3), pp. 762-770.

Record type: Article


Intermediate codes have been shown to facilitate iterative decoding convergence to the maximum likelihood error ratio performance in serially concatenated schemes. In this paper, we propose a novel block-based intermediate code as an alternative to classic convolutional intermediate codes. Since it is block-based, our intermediate code facilitates practical implementations having reduced memory and processing requirements. Furthermore, we demonstrate that it is simpler to analyse and optimise the iterative decoding process, when our block-based intermediate code is employed instead of a convolutional intermediate code. Finally, we demonstrate that the proposed block-based intermediate code facilitates significantly reduced error ratios in practical schemes, when employing short transmission frames and a limited decoding complexity.

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Published date: March 2011
Keywords: intermediate codes, EXIT, iterative decoding, FLC, fixed length code, 16QAM, quadrature amplitude modulation, block code, repetition code, parity check code, convolutional code, coding rate, capacity, extrinsic information transfer, error ratio, SER, joint source channel coding, serial concatenation, concatenated codes, Rayleigh fading channel
Organisations: Southampton Wireless Group


Local EPrints ID: 267642
ISSN: 0018-9545
PURE UUID: dca60297-07ea-4db8-8f62-59b291bdc0bf
ORCID for R. G. Maunder: ORCID iD

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Date deposited: 30 Jun 2009 22:05
Last modified: 18 Jul 2017 07:01

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Author: R. G. Maunder ORCID iD
Author: L. Hanzo

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