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EXIT charts for system design and analysis

El-Hajjar, Mohammed and Hanzo, Lajos (2013) EXIT charts for system design and analysis IEEE Communications Surveys & Tutorials

Record type: Article

Abstract

Near-capacity performance may be achieved with the aid of iterative decoding, where extrinsic soft information is exchanged between the constituent decoders in order to improve the attainable system performance. Extrinsic information Transfer (EXIT) charts constitute a powerful semi-analytical tool used for analysing and designing iteratively decoded systems. In this tutorial, we commence by providing a rudimentary overview of the iterative decoding principle and the concept of soft information exchange. We then elaborate on the concept of EXIT charts using three iteratively decoded prototype systems as design examples. We conclude by illustrating further applications of EXIT charts, including near-capacity designs, the concept of irregular codes and the design of modulation schemes.

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More information

Accepted/In Press date: 2013
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 352320
URI: http://eprints.soton.ac.uk/id/eprint/352320
PURE UUID: 5cb1b202-8efd-4ae4-8a05-d026efd9b392
ORCID for Mohammed El-Hajjar: ORCID iD orcid.org/0000-0002-7987-1401

Catalogue record

Date deposited: 09 May 2013 12:02
Last modified: 24 Jul 2017 16:39

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Contributors

Author: Mohammed El-Hajjar ORCID iD
Author: Lajos Hanzo

University divisions

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