NDLI: Non-linear impairment modeling for flexgrid network and its application in offline network equipment upgrade strategy

Content Provider	IEEE Xplore Digital Library
Author	Mitra, A. Ives, D. Lord, A. Wright, P. Kar, S.
Copyright Year	2015
Description	Author affiliation: EE Dept., IIT Delhi, Delhi, India (Mitra, A.) \|\| EE Dept., IIT Delhi, New Delhi, India (Kar, S.) \|\| EE Dept., Univ. Coll. London, London, UK (Ives, D.) \|\| Core Network Res., BT TSO, Ipswich, UK (Lord, A.; Wright, P.)
Abstract	This paper describes a comprehensive network model which sufficiently captures the noise impairments in the physical layer due to in-line EDFA amplifiers, non-linear impairments in optical links and noise at the network nodes due to lossy ROADMs for dispersion uncompensated transmission systems. The model builds upon the LOGON strategy, helps in modularizing the contribution of noise by the ROADMs and optical links and thereby making it suitable to use for network management and planning purposes. Further, the model was used to analyze critical configuration zones where improved OSNR conditions at the ROADMs result in increasing network capacity by 4.5 to 5 Tbps. Lastly, using this model an offline strategy is suggested for adding in-line EDFAs that has a potential to help service providers demonstrating capacity benefits of procuring addition equipment upfront. The results show that at the OSNR limit this strategy can improve the day one network capacity by 36% for the BT UK network when 10% blocking is reached.
Starting Page	57
Ending Page	62
File Size	297176
Page Count	6
File Format	PDF
ISBN	9783901882722
DOI	10.1109/ONDM.2015.7127274
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-11
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	International Federation for Information Processing (IFIP)
Subject Keyword	Optical fiber amplifiers OSNR estimation non-linear impairments Elastic Transceivers Gaussian Noise Model Network Management Optimized production technology Optical add-drop multiplexers Optical fiber networks Network Equipment Upgrade Optical noise Signal to noise ratio
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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