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References (3)
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W. Ciciora (2004)
Chapter 20 – Network Reliability and Availability -
S. Liaw, S. Tzeng, Y. Hung (2001)
Power penalty induced by Rayleigh backscattering in a bidirectional wavelength-reuse lightwave systemHepatology Research
-
Wen-Piao Lin, M. Kao, S. Chi (2001)
The modified star-ring architecture for high-capacity subcarrier multiplexed passive optical networksJournal of Lightwave Technology, 19
- Publisher
- SPIE
- Copyright
- Copyright © 2007 Society of Photo-Optical Instrumentation Engineers
- ISSN
- 0091-3286
- eISSN
- 1560-2303
- DOI
- 10.1117/1.2746929
- Publisher site
- See Article on Publisher Site
Abstract
A simple passive optical network with ring-type distributed optical networking units (ONUs) is proposed. The ring protection is performed by a clockwise and a counterclockwise circulating fiber. The protection-and-restoration time is measured to be less than 5 s , and depends on the optical switching and the autodiscovery process time. In spite of additional devices for protection, the system reliability is enhanced so that the expected downtime decreases from 41.3 to 28.9 min / yr . The optimum condition to support the maximum number of ONUs is derived and verified by an optical link simulation.
Journal
Optical Engineering – SPIE
Published: Jun 1, 2007