NDLI: Probing the Limits of PON Monitoring Using Periodic Coding Technology

Content Provider	IEEE Xplore Digital Library
Author	Rad, M.M. Penon, J. Fathallah, H.A. LaRochelle, S. Rusch, L.A.
Copyright Year	1983
Abstract	We probe the limits, both experimentally and analytically, of passive optical network (PON) monitoring using periodic coding technology. The experimental demonstration focuses on a 16 customer PON with a 20 km feeder fiber followed by either a single cluster or a tiered hierarchy. A directly modulated laser modulated at 1 GHz was used to generate the monitoring probe signals. The measured data from the experimental setup was fed to a reduced complexity maximum likelihood sequence estimation (RC-MLSE) algorithm to detect and localize the customers. Three different PON deployments were tested. We demonstrate improved monitoring robustness when using a variable threshold for networks with a tiered geographic distribution. While only a 16 customer PON was tested, our experimental setup had 18 dB margin in the total loss budget corresponding to splitting losses for 64 customers. We investigate analytically the total permissible loss budget of the monitoring system operating in the 1650 nm waveband as a function of receiver specifications. We examine the effect of resolution in the analog-to-digital conversion on the correlation peaks that form sufficient statistics for the RC-MLSE algorithm. Resolution affects both the RC-MLSE algorithm and the use of signal averaging to improve signal-to-noise ratio. We find that the monitoring system is able to monitor current PON standards with inexpensive, commercially available electronics.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	1375
Ending Page	1382
Page Count	8
File Size	928967
File Format	PDF
ISSN	07338724
Volume Number	29
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Monitoring Passive optical networks Noise Receivers Interference Complexity theory Sensitivity passive optical network (PON) Analog-to-digital converter (ADC) loss budget maximum likelihood sequence estimation (MLSE) network monitoring optical coding (OC) periodic code
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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