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Paper Abstract and Keywords
Presentation 2014-06-26 12:05
Simplification of Nonlinear Compensation Circuit for Higher-order Modulation Formats by Degenerating Signal Constellation
Tomofumi Oyama (Fujitsu Laboratories Ltd.), Takeshi Hoshida (Fujitsu Limited), Takahito Tanimura (Fujitsu Laboratories Ltd.), Hisao Nakashima (Fujitsu Limited), Chihiro Ohshima (Fujitsu Laboratories Ltd.), Jens C. Rasmussen (Fujitsu Limited) OCS2014-15
Abstract (in Japanese) (See Japanese page) 
(in English) We propose and numerically evaluate a simplification method for perturbation-based nonlinear compensation algorithm. While the algorithm can be implemented without using multipliers for PSK, its computational complexity becomes very large for QAM because the algorithm requires multipliers. To avoid this problem for QAM, we introduce a symbol degenerating method, in which the QAM constellation is degenerated into PSK constellation points or the zero point when the nonlinear perturbation is calculated. We evaluate the applicability of the proposed method to three modulation formats including 8QAM, 16QAM and Duobinary-QPSK.
Keyword (in Japanese) (See Japanese page) 
(in English) Nonlinear Compensation / Intra-channel Nonlinearity / Perturbation Analysis / Circuit Size / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 108, OCS2014-15, pp. 15-20, June 2014.
Paper # OCS2014-15 
Date of Issue 2014-06-19 (OCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee PN NS OCS  
Conference Date 2014-06-26 - 2014-06-27 
Place (in Japanese) (See Japanese page) 
Place (in English) B-ConPlaza 
Topics (in Japanese) (See Japanese page) 
Topics (in English) TBD 
Paper Information
Registration To OCS 
Conference Code 2014-06-PN-NS-OCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simplification of Nonlinear Compensation Circuit for Higher-order Modulation Formats by Degenerating Signal Constellation 
Sub Title (in English)  
Keyword(1) Nonlinear Compensation  
Keyword(2) Intra-channel Nonlinearity  
Keyword(3) Perturbation Analysis  
Keyword(4) Circuit Size  
Keyword(5)  
Keyword(6)  
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1st Author's Name Tomofumi Oyama  
1st Author's Affiliation Fujitsu Laboratories Ltd. (Fujitsu Laboratories Ltd.)
2nd Author's Name Takeshi Hoshida  
2nd Author's Affiliation Fujtsu Limited (Fujitsu Limited)
3rd Author's Name Takahito Tanimura  
3rd Author's Affiliation Fujitsu Laboratories Ltd. (Fujitsu Laboratories Ltd.)
4th Author's Name Hisao Nakashima  
4th Author's Affiliation Fujtsu Limited (Fujitsu Limited)
5th Author's Name Chihiro Ohshima  
5th Author's Affiliation Fujitsu Laboratories Ltd. (Fujitsu Laboratories Ltd.)
6th Author's Name Jens C. Rasmussen  
6th Author's Affiliation Fujtsu Limited (Fujitsu Limited)
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Speaker Author-1 
Date Time 2014-06-26 12:05:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2014-15 
Volume (vol) vol.114 
Number (no) no.108 
Page pp.15-20 
#Pages 6 
Date of Issue 2014-06-19 (OCS) 

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