Xiaofei Cheng, Y. Wen, Zhaowen Xu, Yixin Wang, J. Shankar, P. Shum
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In-Service Fault Localization in WDM Passive Optical Networks
We propose a novel in-service fault localization scheme combined and monitored simultaneously. Fiber fault and automatic protection switching in ONUs are monitored in real-time at central office (CO) without interrupting customer service.