DocumentCode
2158656
Title
Optimization of 16-ary Quadrature Amplitude Modulation constellations for phase noise impaired channels
Author
Pfau, Timo ; Liu, Xiang ; Chandrasekhar, S.
Author_Institution
Bell Labs., Alcatel-Lucent, Murray Hill, NJ, USA
fYear
2011
fDate
18-22 Sept. 2011
Firstpage
1
Lastpage
3
Abstract
An iterative constellation optimization algorithm is used to find new 16-ary Quadrature Amplitude Modulation (QAM) constellations. The constellations double phase noise tolerance and improve receiver sensitivity by up to 0.3 dB compared to the square 16-QAM constellation.
Keywords
iterative methods; optical modulation; optical noise; optical receivers; optimisation; phase noise; quadrature amplitude modulation; 16-ary QAM constellation; 16-ary quadrature amplitude modulation constellation; double phase noise tolerance; iterative constellation optimization algorithm; phase noise impaired channel; receiver sensitivity; square 16-QAM constellation; AWGN; Constellation diagram; Optimization; Phase noise; Receivers; Signal to noise ratio;
fLanguage
English
Publisher
ieee
Conference_Titel
Optical Communication (ECOC), 2011 37th European Conference and Exhibition on
Conference_Location
Geneva
ISSN
Pending
Print_ISBN
978-1-4577-1918-9
Type
conf
Filename
6065952
Link To Document