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On the Performance of MLR Optical WDM Network Based on ITU-T Conforming Fibers in the Presence of Dominant Physical Layer Impairments

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Journal of Communications and Information Networks

Abstract

The tremendous and consistent increase in the volume and heterogeneity of traffic has resulted in major innovations in the telecommunication networks. In regard to the optical networks, existing studies have shown that by adopting a mixed line rate (MLR) strategy, the wavelength division multiplexed optical networks can cost-effectively respond to the diverse variety of traffic requirements which have heterogeneous service demands. Unlike existing studies which focus on various MLR network issues by considering deployment of the standard single mode fiber only within the network, in the current work, we investigate the signal quality deterioration due to the combined effects of dominant physical layer impairments for an MLR optical network conforming to the various ITU-T compliant fibers and also considering the optical frequency grid based on ITU-T Recommendation G.692. The main aim of our current study is to identify, for a given fiber, the modulation format configuration which provides the highest performance. We conduct extensive simulations on the considered MLR system using the obtained optimum channel spacing values between the single and mixed line rates. Our results show that the existence of 10 Gbit/s line rate has a detrimental effect on the 40 Gbit/s and/or 100 Gbit/s line rate; however, the 40 Gbit/s and/or 100 Gbit/s line rate’s effect on a 10 Gbit/s line rate is not so detrimental, as well as between the similar line rates. Overall, our results clearly show that choice of the line rate of both, the central channel and its adjacent channels, has a major effect on the MLR network performance.

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Authors and Affiliations

  1. Department of ECE, Jain College of Engineering, T. S. Nagar Hun- chanatti Cross, Belagavi, Karnataka, 590014, India

    Sridhar Iyer

  2. Division of ECE, Netaji Subhash Institute of Technology, Sector 3, Dwarka, New Delhi, 110078, India

    Sujata Sengar, Rochak Bajpai & Shree Prakash Singh

Authors
  1. Sridhar Iyer
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  2. Sujata Sengar
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  3. Rochak Bajpai
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  4. Shree Prakash Singh
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Corresponding author

Correspondence to Sridhar Iyer.

Additional information

The associate editor coordinating the review of this paper and approving it for publication was H. G. Zhang.

Sridhar Iyer [corresponding author] received his B.E. degree in Electronics and Telecommunications Engineering from Mumbai University, India in 2005. He received his M.S. degree in Electrical and Communication Engineering from New Mexico State University, the U.S.A. in 2008, and his Ph.D. degree from Delhi University, India in 2017. He worked as an Assistant Professor in the Department of ECE at NIIT University, and Christ University, India between 2012 and 2016. Currently he is an Associate Professor at the Department of ECE, Jain College of Engineering, India. His research interests include the architectural, algorithmic, and performance aspects of the optical networks, with current emphases on efficient design and resource optimization in the flexigrid elastic optical networks. Dr. Iyer has published over 30 peer-reviewed articles in the aforementioned areas.

Sujata Sengar received her B.Sc. Engg. (Hons) and M.Sc. Engg.(Hons) degrees in Electronics and Communication Engineering from Aligarh Muslim University, Aligarh, India in 1988 and 1990. From 1990 to 1991 she worked as a Scientist Fellow at C.E.E.R.I., Pilani. From 1992 to 1994 she worked as a Lecturer in Department of Electronics and Communication Engineering, T.I.T. S. Bhiwani. From 1994 to 1997, she worked as a Lecturer in Department of Electronics and Communication Engineering, C.R. State College of Engineering, Murthal. From 1997 to 1999 she worked as a Lecturer in Department of Electronics Communication and Computer, at REC Kurukshetra and in 1999 she joined as faculty at Netaji Subhas Institute of Technology, Delhi. Presently she is working as a Professor in the Division of Electronics and Communication Engineering, Netaji Subhas Institute of Technology, Delhi, India. Her areas of interest are Speech Processing, Signal Processing, Wireless Communication and Free Space Optical Communication.

Rochak Bajpai received his B.Tech. degree in Electronics and Communication Engineering from Institute of Engineering and Technology, Kanpur University in 2001 and M.Tech. degree from Uttar Pradesh Technical University, Lucknow in 2010. At present he is working towards his Ph.D. degree in the area of Optical Networks in the Division of Electronics and Communication Engineering, Netaji Subhas Institute of Technology (NSIT), Delhi University, New Delhi, India. His areas of interest are Optical Communication, Physical Layer Impairments and Energy Efficiency in Optical WDM Networks.

Shree Prakash Singh received his B.E. degree in Electronics and Communication Engineering from MMM Engineering College, Gorakhpur, India in 1990 and M.Tech. degree from REC, Kurukshetra, India in 1994. He holds a doctoral degree in Optical Networks from the Indian Institute of Technology, Delhi (IITD), India, in 2007. During 1994 to 2000, he worked as a Lecturer in the Department of Electronics and Computer Engineering at REC Kurukshetra. In October 2000, he joined as a Lecturer in the Department of Electronics, Netaji Subhas Institute of Technology (formally known as Delhi Institute of Technology New Delhi). Presently he is a Professor at the Division of Electronics and Communication Engineering, Netaji Subhas Institute of Technology, New Delhi. His current research areas are Optical Networks and Optical Wireless Communication.

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Iyer, S., Sengar, S., Bajpai, R. et al. On the Performance of MLR Optical WDM Network Based on ITU-T Conforming Fibers in the Presence of Dominant Physical Layer Impairments. J. Commun. Inf. Netw. 3, 91–108 (2018). https://doi.org/10.1007/s41650-018-0019-0

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  • DOI: https://doi.org/10.1007/s41650-018-0019-0

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