Distribution drop fiber in-service fault management in enhanced EPON system

AT Liem, IS Hwang, AA Nikoukar… - Optical Switching and …, 2015 - Elsevier
Ethernet passive optical network (EPON) is considered one of the best candidates for next-
generation optical access solutions. Practical and cost-effective survivability and …

An autonomous recovery mechanism against optical distribution network failures in EPON

AT Liem, IS Hwang, AA Nikoukar - Optical Fiber Technology, 2014 - Elsevier
Abstract Ethernet Passive Optical Network (EPON) is chosen for servicing diverse
applications with higher bandwidth and Quality-of-Service (QoS), starting from Fiber-To-The …

Novel elastic protection against DDF failures in an enhanced software-defined SIEPON

AF Pakpahan, IS Hwang, YM Yu, WH Hsu… - Optical Fiber …, 2017 - Elsevier
Ever-increasing bandwidth demands on passive optical networks (PONs) are pushing the
utilization of every fiber strand to its limit. This is mandating comprehensive protection until …

A novel fault-tolerant multi-EPON system with sharing protection through bridge ONUs

IS Hwang, ZD Shyu, LY Ke - Photonic Network Communications, 2009 - Springer
In the EPON, any failure of optical line terminal (OLT) or feeder fiber can halt the entire
system. Many previous studies proposed dedicated protection architectures to protect the …

Real-time monitoring and fault locating using amplified spontaneous emission noise reflection for tree-structured Ethernet passive optical networks

NF Naim, MS Ab-Rahman, NH Kamaruddin… - Optical …, 2013 - spiedigitallibrary.org
Nowadays, optical networks are becoming dense while detecting faulty branches in the tree-
structured networks has become problematic. Conventional methods are inconvenient as …

Troubleshooting PON networks effectively with carrier-grade ethernet and WDM-PON

R Sánchez, JA Hernández… - IEEE Communications …, 2014 - ieeexplore.ieee.org
WDM-PONs have recently emerged to provide dedicated and separated point-to-point
wavelengths to individual optical network units. In addition, the recently standardized …

Fault-tolerant architecture with dynamic wavelength and bandwidth allocation scheme in WDM-EPON

IS Hwang, ZD Shyu, CC Chang, JY Lee - Photonic Network …, 2009 - Springer
This study proposes a novel cost-based fault-tolerant WDM-EPON (CFT-WDM-EPON) to
provide overall protection. It only equips a backup feeder fiber to recover the system failure …

Physical layer monitoring in 8-branched PON-based i-FTTH

NB Chuan, A Premadi… - … on photonics 2010, 2010 - ieeexplore.ieee.org
This paper reports a novel physical layer monitoring technique called Centralized Failure
Detection System (CFDS) based on the use of an optical time domain reflectometry (OTDR) …

Resilience and service protection for Ethernet passive optical networks in SIEPON

M Hajduczenia, S Chengbin, Z Zhen… - IEEE …, 2012 - ieeexplore.ieee.org
IEEE Ethernet passive optical networks support the SIEPON-defined data link protection for
mission-critical services in a flexible, costeffective, and reliable manner, addressing the …

[PDF][PDF] Detecting faulty fiber with centralized failure detection system (CFDS) in fiber-to-the-home (FTTH) access network.

MS Ab-Rahman, BC Ng, K Jumari - Optica Applicata, 2009 - Citeseer
A new technique for detecting any faulty fiber and identifying the failure location occurring in
tree-based structured fiber-to-the-home (FTTH) access network with centralized failure …