Title :
Symbol reliability estimation using the bidirectional Viterbi algorithm with a code trellis and a syndrome trellis for QLI codes
Author :
Tajima, Masato ; Takida, Keiji ; Kawasaki, Zenshiro
Author_Institution :
Fac. of Eng., Toyama Univ., Japan
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 :
binary codes; convolutional codes; decoding; maximum likelihood estimation; reliability theory; trellis codes; QLI codes; bidirectional Viterbi algorithm; code trellis; quick look-in codes; symbol reliability estimation; syndrome trellis; Convolutional codes; Decoding; Matrix decomposition; Observers; Reliability engineering; State estimation; Viterbi algorithm;
Conference_Titel :
Information Theory, 1998. Proceedings. 1998 IEEE International Symposium on
Conference_Location :
Cambridge, MA
Print_ISBN :
0-7803-5000-6
DOI :
10.1109/ISIT.1998.708805
