Fiber plant manager: An OTDR-and OTM-based PON monitoring system

PJ Urban, G Vall-Llosera, E Medeiros… - IEEE Communications …, 2013 - ieeexplore.ieee.org
Wider deployment of fiber in the last mile is driven by increased customer needs for high
capacity communication. This deployment requires solutions that reduce the operators' …

Detection of fiber faults in passive optical networks

PJ Urban, A Getaneh, JP von der Weid… - Journal of Optical …, 2013 - opg.optica.org
Wider deployment of fiber in the last mile is driven by increased customer needs for
broadband communication services. This deployment requires solutions that reduce …

PON measurements and monitoring solutions for FTTH networks during deployment and operation

A Ehrhardt, F Escher, L Schürer… - 2011 13th …, 2011 - ieeexplore.ieee.org
Optical fibre step by step substitutes existing copper cable infrastructure in the carriers'
access networks, enabling new broadband services. One common approach, a passive …

Precise fault location in TDM-PON by utilizing chaotic laser subject to optical feedback

T Zhao, H Han, JG Zhang, XL Liu… - IEEE Photonics …, 2015 - ieeexplore.ieee.org
We propose a method with high spatial resolution to detect fiber faults in a time-division
multiplexing passive optical network (TDM-PON). A semiconductor laser serving as the …

Supervision of wavelength division multiplexed optical networks

P Urban, M Cen - US Patent 9,008,503, 2015 - Google Patents
An arrangement in a node in a WDM-PON and a method therein for supervision of the WDM-
PON are provided. The arrangement comprises X splitters of splitting ratio 1: Y, each splitter …

Cost-efficient remote PON monitoring based on OTDR measurement and OTM functionality

PJ Urban, S Dahlfort - 2011 13th International Conference on …, 2011 - ieeexplore.ieee.org
We present a method to monitor single-and cascaded-splitter TDM-PON systems based on
combined techniques of Optical Time-Domain Reflectometry (OTDR) and Optical …

OTDR trace analysis in PON systems

P Urban - US Patent 9,281,892, 2016 - Google Patents
US9281892B2 - OTDR trace analysis in PON systems - Google Patents US9281892B2 - OTDR
trace analysis in PON systems - Google Patents OTDR trace analysis in PON systems Download …

Experimental demonstration of the real-time online fault monitoring technique for chaos-based passive optical networks

X Dou, H Yin, H Yue, Y Jin, J Shen, L Li - Optics Communications, 2015 - Elsevier
In this paper, a real-time online fault monitoring technique for chaos-based passive optical
networks (PONs) is proposed and experimentally demonstrated. The fault monitoring is …

PON supervision using OTDR measurements

P Urban, G Vall-Llosera - US Patent 9,287,971, 2016 - Google Patents
US9287971B2 - PON supervision using OTDR measurements - Google Patents
US9287971B2 - PON supervision using OTDR measurements - Google Patents PON …

PON supervision using OTDR measurements

P Urban, G Vall-Ilosera - US Patent 9,673,895, 2017 - Google Patents
Webster & Elliott LLP (57) ABSTRACT A Wavelength Adaptation Module and a method
therein for adapting an Optical Time Domain Reflectometry, OTDR, signal for supervision of …