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Proceedings Paper

In-service communication channel sensing based on reflectometry for TWDM-PON systems
Author(s): Daisuke Iida; Shigeru Kuwano; Jun Terada
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Paper Abstract

Many base stations are accommodated in TWDM-PON based mobile backhaul and fronthaul networks for future radio access, and failed connections in an optical network unit (ONU) wavelength channel severely degrade system performance. A cost effective in-service ONU wavelength channel monitor is essential to ensure proper system operation without failed connections. To address this issue we propose a reflectometry-based remote sensing method that provides wavelength channel information with the optical line terminal (OLT)-ONU distance. The method realizes real-time monitoring of ONU wavelength channels without signal quality degradation. Experimental results show it achieves wavelength channel distinction with high distance resolution.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 915792 (2 June 2014); doi: 10.1117/12.2058662
Show Author Affiliations
Daisuke Iida, NTT Access Network Service Systems Labs. (Japan)
Shigeru Kuwano, NTT Access Network Service Systems Labs. (Japan)
Jun Terada, NTT Access Network Service Systems Labs. (Japan)

Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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