DocumentCode
1411968
Title
Vector quantisation with MAP estimator using reliability information from turbo-codes
Author
Ho, Keang-Po
Author_Institution
Dept. of Inf. Eng., Chinese Univ. of Hong Kong, Shatin, Hong Kong
Volume
34
Issue
15
fYear
1998
fDate
7/23/1998 12:00:00 AM
Firstpage
1473
Lastpage
1474
Abstract
Minimum mean-squared distortion can be achieved by a maximum a posteriori probability (MAP) estimator utilising the reliability information available from the turbo-code channel decoder. Using the optimum MAP estimator in vector quantisation, numerical results show that MAP detection provides a significant improvement over the conventional mapping-based hard-decision source decoder
Keywords
concatenated codes; maximum likelihood estimation; reliability; vector quantisation; MAP estimator; maximum a posteriori probability estimator; mean-squared distortion; reliability; turbo code channel decoder; vector quantisation;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19981031
Filename
706229
Link To Document