DocumentCode
890474
Title
Four state binary QAM trellis code better than known codes
Author
de Almeida, Celso ; Palazzo, R.
Author_Institution
Univ. Estadual de Campinas, Sao Paulo, Brazil
Volume
29
Issue
7
fYear
1993
fDate
4/1/1993 12:00:00 AM
Firstpage
632
Lastpage
634
Abstract
Presents a new one-memory quaternary four-state trellis code, and its four-state binary equivalent code based on a QAM constellation which is 0.52 dB better than the four-state Ungerboeck code.
Keywords
amplitude modulation; encoding; information theory; trellis codes; QAM constellation; four-state binary equivalent code; one-memory quaternary four-state trellis code;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19930423
Filename
211833
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