Please use this identifier to cite or link to this item: https://doi.org/10.1109/LPT.2013.2274998
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dc.titleStudy on phase interpolation filters for coherent optical communications
dc.contributor.authorHuang, D.
dc.contributor.authorCheng, T.-H.
dc.contributor.authorYu, C.
dc.date.accessioned2014-10-07T04:37:19Z
dc.date.available2014-10-07T04:37:19Z
dc.date.issued2013
dc.identifier.citationHuang, D., Cheng, T.-H., Yu, C. (2013). Study on phase interpolation filters for coherent optical communications. IEEE Photonics Technology Letters 25 (17) : 1731-1733. ScholarBank@NUS Repository. https://doi.org/10.1109/LPT.2013.2274998
dc.identifier.issn10411135
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/83104
dc.description.abstractIn most of the carrier phase estimation (CPE) algorithms, there is a need to average a block of symbols to mitigate the noise effect. The symbols within a block may share the same derived phase (block estimation), or alternatively, a symbol by symbol sliding-window filter can be used to get each symbol a unique phase (sliding-window estimation). It is well-known that block estimation has lower estimation accuracy but consumes less computational power compared with sliding-window estimation. To improve the performance of CPE employing block estimation, we study and propose a phase interpolation filter that is simpler than the sliding-window filter, and show analytically that linear phase interpolation yields the best performance. Simulation and experimental results show that the phase interpolation filter effectively improves the performance of block estimation to the level similar to that of the sliding-window estimation. © 2013 IEEE.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1109/LPT.2013.2274998
dc.sourceScopus
dc.subjectCarrier phase recovery
dc.subjectcoherent optical communication
dc.subjectlow complexity
dc.subjectPhase interpolation
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1109/LPT.2013.2274998
dc.description.sourcetitleIEEE Photonics Technology Letters
dc.description.volume25
dc.description.issue17
dc.description.page1731-1733
dc.description.codenIPTLE
dc.identifier.isiut000323508700004
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