DocumentCode
868136
Title
Multilevel codes and multistage decoding
Author
Calderbank, A.R.
Author_Institution
AT&T Bell Lab., Murray Hill, NJ, USA
Volume
37
Issue
3
fYear
1989
fDate
3/1/1989 12:00:00 AM
Firstpage
222
Lastpage
229
Abstract
H. Imai and S. Hirakawa have proposed (1977) a multilevel coding method based on binary block codes that admits a staged decoding procedure. The author extends the coding method to coset codes and shows how to calculate minimum squared distance and path multiplicity in terms of the norms and multiplicities of the different cosets. The multilevel structure allows the redundancy in the coset selection procedure to be allocated efficiently among the different levels. It also allows the use of suboptimal multistage decoding procedures that have performance/complexity advantages over maximum-likelihood decoding
Keywords
codes; decoding; encoding; binary block codes; coset codes; minimum squared distance; multilevel coding; multistage decoding; path multiplicity; staged decoding procedure; Block codes; Communication channels; Communications Society; Conferences; Constellation diagram; Euclidean distance; Gaussian channels; Maximum likelihood decoding; Modulation coding; Signal design;
fLanguage
English
Journal_Title
Communications, IEEE Transactions on
Publisher
ieee
ISSN
0090-6778
Type
jour
DOI
10.1109/26.20095
Filename
20095
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