Pilot-Aided Frame Synchronization in Optical OFDM Systems

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dc.contributor.authorOffiong, Funmilayo
dc.contributor.authorSinanović, Sinan
dc.contributor.authorPopoola, Wasiu
dc.date.accessioned2023-06-10T21:03:39Z
dc.date.available2023-06-10T21:03:39Z
dc.date.issued2020-06-11
dc.descriptionAppl. Sci. 2020, 10(11), 4034en_US
dc.description.abstractEfficient frame synchronization is essential for data recovery in communication systems. In this study, a single pilot sequence is used to achieve both frame synchronization and peak-to-average power ratio (PAPR) reduction. The two systems considered are direct-current biased optical orthogonal frequency division multiplexing (DCO-OFDM) and asymmetrically clipped O-OFDM (ACO-OFDM). The pilot symbol is allocated to odd indexed subcarriers only. Thus, the synchronization algorithm leverages the mirror symmetric property of the pilot symbol within a frame to detect the start of the pilot signal at the receiver. This scheme has low complexity and gives precise frame synchronization at signal-to-noise ratios as low as 4 dB in an indoor visible light communication (VLC) channel.en_US
dc.description.sponsorshipACE: ICT-Driven Knowledge Parken_US
dc.identifier.citationOffiong, F. B., Sinanović, S., & Popoola, W. O. (2020). Pilot-aided frame synchronization in optical OFDM systems. Applied Sciences, 10(11), 4034.en_US
dc.identifier.issn2076-3417
dc.identifier.urihttps://doi.org/10.3390/app10114034
dc.identifier.urihttp://hdl.handle.net/123456789/1983
dc.language.isoenen_US
dc.publisherMDPIen_US
dc.subjectSTEMen_US
dc.subjectObafemi Awolowo Universityen_US
dc.subjectoptical OFDMen_US
dc.subjectpilot symbolen_US
dc.subjectframe synchronizationen_US
dc.subjectsymbol timing estimationen_US
dc.subjectcorrelation-based methoden_US
dc.subjectoptical wireless communicationen_US
dc.titlePilot-Aided Frame Synchronization in Optical OFDM Systemsen_US
dc.typeArticleen_US

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