DocumentCode
1793336
Title
Cycle slip-mitigating turbo demodulation in LDPC-coded coherent optical communications
Author
Koike-Akino, Toshiaki ; Kojima, Keisuke ; Millar, David S. ; Parsons, Kieran ; Miyata, Yoshikuni ; Matsumoto, Wataru ; Sugihara, Tomoyuki ; Mizuochi, Takashi
Author_Institution
Mitsubishi Electr. Res. Labs. (MERL), Cambridge, MA, USA
fYear
2014
fDate
9-13 March 2014
Firstpage
1
Lastpage
3
Abstract
We show that an iterative demodulation with soft-decision feedback information from FEC decoder can efficiently mitigate cycle slips. With 3% pilot insertion, the turbo QPSK demodulation achieves 1.05dB gain even in the presence of frequent cycle slips.
Keywords
demodulation; iterative methods; light coherence; optical communication; parity check codes; quadrature phase shift keying; FEC decoder; LDPC-coded coherent optical communication; cycle slip-mitigating turbo demodulation; iterative demodulation; soft-decision feedback information; turbo QPSK demodulation; Bit error rate; Decoding; Demodulation; Forward error correction; Iterative decoding; Phase shift keying;
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.M3A.3
Filename
6886573
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