Symbol reliability estimation using the bidirectional Viterbi algorithm with a code trellis and a syndrome trellis for QLI codes

Masato Tajima; Keiji Takida; Zenshiro Kawasaki

doi:10.1109/isit.1998.708805

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Symbol reliability estimation using the bidirectional Viterbi algorithm with a code trellis and a syndrome trellis for QLI codes

Masato Tajima Keiji Takida Zenshiro Kawasaki

Year: 2002 Pages: 204-204

DOI: 10.1109/isit.1998.708805

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Abstract

In this paper, we show that in the case of quick look-in (QLI) codes, the symbol reliability values are obtained by applying the bidirectional Viterbi algorithm (BIVA) either to the code trellis or to the corresponding syndrome trellis.

Keywords:

Trellis (graph) Viterbi algorithm Computer science Symbol (formal) Iterative Viterbi decoding Space–time trellis code Viterbi decoder Soft output Viterbi algorithm Convolutional code Code (set theory) Algorithm Reliability (semiconductor) Decoding methods Sequential decoding Concatenated error correction code Block code Programming language

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Advanced Wireless Communication Techniques

Physical Sciences → Engineering → Electrical and Electronic Engineering

Error Correcting Code Techniques

Physical Sciences → Computer Science → Computer Networks and Communications

Coding theory and cryptography

Physical Sciences → Computer Science → Artificial Intelligence

Symbol reliability estimation using the bidirectional Viterbi algorithm with a code trellis and a syndrome trellis for QLI codes

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