DocumentCode
562066
Title
Spectrally efficient four-dimensional modulation
Author
Karlsson, Magnus ; Agrell, Erik
Author_Institution
Dept. of Microtechnol. & Nanosci., Chalmers Univ. of Technol., Göteborg, Sweden
fYear
2012
fDate
4-8 March 2012
Firstpage
1
Lastpage
3
Abstract
We quantify the performance of regular four-dimensional constellations with high spectral efficiency, and compare the sensitivity gain relative to rectangular QAM. Gains up to 1.51 and 1.97 dB over the corresponding QAM formats can be achieved.
Keywords
optical communication; optical modulation; quadrature amplitude modulation; high spectral efficiency; rectangular QAM; regular four-dimensional constellations; sensitivity gain; spectrally efficient four-dimensional modulation; Constellation diagram; Gain; Lattices; Optical sensors; Quadrature amplitude modulation; Sensitivity;
fLanguage
English
Publisher
ieee
Conference_Titel
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location
Los Angeles, CA
ISSN
pending
Print_ISBN
978-1-4673-0262-3
Type
conf
Filename
6192053
Link To Document