DocumentCode
3845697
Title
Scrambling for nonequiprobable signalling
Author
B. Vasic;O. Milenkovic;S. McLaughlin
Author_Institution
Dept. of Electr. Eng., Rochester Inst. of Technol., NY, USA
Volume
32
Issue
17
fYear
1996
Firstpage
1551
Lastpage
1552
Abstract
A scrambling method for nonequiprobable signalling is proposed. This method uses a lossless compression decoder to produce symbols with unequal probabilities. The relative symbol frequencies and correlation characteristics are calculated and the noisy channel error performance is discussed. In one application of this nonequiprobable signalling procedure it is shown that 0.68 dB of a possible 1.53 dB gain is easily obtained for signal constellation shaping applications.
Keywords
"Error analysis","Decoding","Data compression","Communication system signaling","Probability"
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19961021
Filename
533284
Link To Document