Self-Protection Mechanism for Distribution Fiber in TWDM+OFDM PON

Abstract:

Two main types of TWDM PON are distinguished by the locations of AWG and splitter. Three self-protection mechanisms i.e., dual fiber bridging pair (DFBP), single fiber bridging pair (SFBP), and single fiber bridging ring (SFBR) are designed based on bridging fiber and can be directly used on TDM part of optical distribution networks (ODN). After combined with the spectral periodicity property of AWG, the three schemes can be used in WDM part too. Each ONU can use monitoring and reporting mechanisms on optical signal to detect the fiber failure. DF then can get self-protection without any service interrupt and loss. The calculation results show the proposed schemes can keep high survivability and connection availability, while the cost, recovery time and power budget are acceptable.

• Periodical: Advanced Materials Research (Volumes 765-767)
• Pages: 2551-2554
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.765-767.2551
• Online since: September 2013
• Authors: Wu Jia, Pei Zhang, Jian Quan Wang, Xiu Fang Zhong, Jian Kang, Yan Shao, Lin Guo
• Keywords: Orthogonal Frequency Division Multiplexing (OFDM), PON, Protection, TWDM

References

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