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Expanding Window Fountain Codes for Unequal Error Protection

Sejdinovic, D; Vukobratovic, D; Doufexi, A; Senk, V; Piechocki, RJ; (2009) Expanding Window Fountain Codes for Unequal Error Protection. In: IEEE TRANSACTIONS ON COMMUNICATIONS. (pp. 2510 - 2516). IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC

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A novel approach to provide unequal error protection (UEP) using rateless codes over erasure channels, named Expanding Window Fountain (EWF) codes, is developed and discussed. EWF codes use a windowing technique rather than a weighted (non-uniform) selection of input symbols to achieve UEP property. The windowing approach introduces additional parameters in the UEP rateless code design, making it more general and flexible than the weighted approach. Furthermore, the windowing approach provides better performance of UEP scheme, which is confirmed both theoretically and experimentally.

Type: Proceedings paper
Title: Expanding Window Fountain Codes for Unequal Error Protection
Event: 41st Asilomar Conference on Signals, Systems and Computers
Location: Pacific Grove, CA
Dates: 2007-11-04 - 2007-11-07
DOI: 10.1109/TCOMM.2009.09.070616
Keywords: Asymptotic analysis, iterative decoding, maximum-likelihood decoding, rateless codes, unequal error protection
URI: http://discovery.ucl.ac.uk/id/eprint/1330430
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