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Paper Abstract and Keywords
Presentation 2026-03-05 09:45
Practicality Evaluation of GSNR Estimation Methods Using DCO Transceivers
Hiroshi Shibata, Kohei Watanabe, Ken Ito (NTT), Motohiro Banno, Shinji Morimoto, Yosho Kanda (Anritsu) NS2025-285
Abstract (in Japanese) (See Japanese page) 
(in English) As optical networks become more open, a variety of communication devices are optically connected. Therefore, in order to utilize the highly versatile GSNR (Generalized Signal to Noise Ratio), which is independent of communication speed or modulation method, as a quality indicator, we proposed a method to estimate GSNR from the Pre-FEC BER value measured by the DCO transceiver of communication devices and evaluated its practicality. We confirmed that the proposed method can be used to determine whether an optical communication network is normal or abnormal, and that the difference in the GSNR estimation results of the simplified method compared to the precise method was within 0.5 dB, making it practical.
Keyword (in Japanese) (See Japanese page) 
(in English) GSNR / Optical Network / Pre FEC BER / DCO Module / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 385, NS2025-285, pp. 380-385, March 2026.
Paper # NS2025-285 
Date of Issue 2026-02-25 (NS) 
ISSN 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)
Download PDF NS2025-285

Conference Information
Committee IN NS  
Conference Date 2026-03-04 - 2026-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa-Ken Shichoson Jichi Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NS 
Conference Code 2026-03-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Practicality Evaluation of GSNR Estimation Methods Using DCO Transceivers 
Sub Title (in English)  
Keyword(1) GSNR  
Keyword(2) Optical Network  
Keyword(3) Pre FEC BER  
Keyword(4) DCO Module  
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1st Author's Name Hiroshi Shibata  
1st Author's Affiliation NTT, Inc. (NTT)
2nd Author's Name Kohei Watanabe  
2nd Author's Affiliation NTT, Inc. (NTT)
3rd Author's Name Ken Ito  
3rd Author's Affiliation NTT, Inc. (NTT)
4th Author's Name Motohiro Banno  
4th Author's Affiliation Anritsu Corporation (Anritsu)
5th Author's Name Shinji Morimoto  
5th Author's Affiliation Anritsu Corporation (Anritsu)
6th Author's Name Yosho Kanda  
6th Author's Affiliation Anritsu Corporation (Anritsu)
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Speaker Author-1 
Date Time 2026-03-05 09:45:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2025-285 
Volume (vol) vol.125 
Number (no) no.385 
Page pp.380-385 
#Pages 6 
Date of Issue 2026-02-25 (NS) 

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