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http://dx.doi.org/10.5302/J.ICROS.2003.9.3.251

Diagnosis of Multiple Crosstalk-Faults in Optical Cross Connects for Optical Burst Switching  

김영재 (울산대학교 전기전자정보시스템공학부)
조광현 (울산대학교 전기전자정보시스템공학부)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.9, no.3, 2003 , pp. 251-258 More about this Journal
Abstract
Optical Switching Matrix (OSM) or Optical Multistage Interconnection Networks (OMINs) comprising photonic switches have been studied extensively as important interconnecting blocks for Optical Cross Connects (OXC) based on Optical Burst Switching (OBS). A basic element of photonic switching networks is a 2$\times$2 directional coupler with two inputs and two outputs. This paper is concerned with the diagnosis of multiple crosstalk-faults in OSM. As the network size becomes larger in these days, the conventional diagnosis methods based on tests and simulation become inefficient, or even more impractical. We propose a simple and easily implementable algorithm for detection and isolation of the multiple crosstalk-faults in OSM. Specifically. we develop an algorithm for isolation of the source fault in switching elements whenever the multiple crosstalk-faults arc detected in OSM. The proposed algorithm is illustrated by an example of 16$\times$16 OSM.
Keywords
optical cross connect; optical burst switching; crosstalk-fault; fault diagnosis; optical switch.;
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Times Cited By KSCI : 2  (Citation Analysis)
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