A graph based construction of high-rate soft decodable codes for partial response channels

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Abstract

In partial response systems with maximum likelihood sequence estimation a short list of error events dominate. In this paper we introduce a graph-based construction of high rate codes capable of correcting errors from a given list. We define a directed graph describing a universe of error-event-detecting codes, and construct a code by tracing a path through the graph that gives the best probability of error. We demonstrate a substantial SNR gain when these codes are used in a scheme which combines the error event detection and the list soft decoding.

Original languageEnglish (US)
Pages (from-to)2716-2720
Number of pages5
JournalIEEE International Conference on Communications
Volume9
StatePublished - Jan 1 2001
EventInternational Conference on Communications (ICC2001) - Helsinki, Finland
Duration: Jun 11 2000Jun 14 2000

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ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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