Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5799
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dc.contributorDepartment of Electrical Engineering-
dc.creatorShen, TSR-
dc.creatorLau, APT-
dc.creatorYu, C-
dc.date.accessioned2014-12-11T08:22:54Z-
dc.date.available2014-12-11T08:22:54Z-
dc.identifier.urihttp://hdl.handle.net/10397/5799-
dc.language.isoenen_US
dc.publisherOptical Society of Americaen_US
dc.rights© 2010 Optical Society of America. This paper was published in Optics express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?URI=oe-18-23-23608. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.en_US
dc.subjectCommunication systemsen_US
dc.subjectFiber opitc networksen_US
dc.subjectFrequency allocationen_US
dc.subjectOptical communicationen_US
dc.subjectOptical signal processingen_US
dc.subjectSignal processingen_US
dc.subjectSignal receiversen_US
dc.subjectSignal to nosie ratioen_US
dc.titleSimultaneous and independent multi-parameter monitoring with fault localization for DSP-based coherent communication systemsen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage23608-
dc.identifier.epage23619-
dc.identifier.volume18-
dc.identifier.issue23-
dc.identifier.doi10.1364/OE.18.023608-
dcterms.abstractDigital signal processing (DSP)-based coherent communications have become standard for future high-speed optical networks. Implementing DSP-based advanced algorithms for data detection requires much more detailed knowledge of the transmission link parameters, resulting in optical performance monitoring (OPM) being even more important for next generation systems. At the same time, the DSP platform also enables new strategies for OPM. In this paper, we propose the use of pilot symbols with alternating power levels and study the statistics of the received power and phase difference to simultaneously and independently monitor the carrier frequency offset between transmitter and receiver laser, laser linewidth, number of spans, fiber nonlinearity parameters as well as optical signal-to-noise ratio (OSNR) of a transmission link. Analytical predictions are verified by simulation results for systems with full chromatic dispersion (CD) compensation per span and 10% CD under-compensation per span. In addition, we show that by monitoring the changes in the statistics of the received pilot symbols during network operation, one can locate faults or OSNR degradations along a transmission link without additional monitoring equipments at intermediate nodes, which may be useful for more efficient dynamic routing and network management.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationOptical express, 8 Nov. 2010, v. 18, no. 23, p. 23608-23619-
dcterms.isPartOfOptical express-
dcterms.issued2010-11-08-
dc.identifier.isiWOS:000283940900030-
dc.identifier.scopus2-s2.0-78149419698-
dc.identifier.eissn1094-4087-
dc.identifier.rosgroupidr51193-
dc.description.ros2010-2011 > Academic research: refereed > Publication in refereed journal-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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