DocumentCode
1793222
Title
Experimental performance of 4D optimized constellation alternatives for PM-8QAM and PM-16QAM
Author
Buelow, Henning ; Xiaofeng Lu ; Schmalen, Laurent ; Klekamp, Axel ; Buchali, Fred
Author_Institution
Bell Labs., Alcatel-Lucent, Stuttgart, Germany
fYear
2014
fDate
9-13 March 2014
Firstpage
1
Lastpage
3
Abstract
Sensitivity and reach of soft-decoded PM-8QAM was improved by 1.2-dB and 35%, respectively, by moving to a 64 point 4D constellation and iterative decoding. Replacing PM-16QAM by 256 4D points led to 0.3-dB gain only.
Keywords
iterative decoding; multiplexing; optical fibre communication; quadrature amplitude modulation; 4D optimized constellation; PM-16QAM; gain 0.3 dB; iterative decoding; polarization multiplexing; soft-decoded PM-8QAM; Bit error rate; Decoding; Iterative decoding; Modulation; Optical noise; Signal to noise ratio;
fLanguage
English
Publisher
ieee
Conference_Titel
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location
San Francisco, CA
Print_ISBN
978-1-5575-2994-7
Type
conf
DOI
10.1364/OFC.2014.M2A.6
Filename
6886516
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