Optimal Scanning Pattern for Initial Free-Space Optical-Link Alignment

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dc.contributor.authorSkryja, Petrcs
dc.contributor.authorBarcĂ­k, Petercs
dc.coverage.issue6cs
dc.coverage.volume11cs
dc.date.accessioned2024-10-14T09:03:27Z
dc.date.available2024-10-14T09:03:27Z
dc.date.issued2024-06-05cs
dc.description.abstractSince free-space optical links (especially fully photonic ones) are very challenging to accurately align; scanning algorithms are used for the initial search and alignment of the transceivers. The initial alignment aims to intercept the optical beam so that it hits a position-sensitive detector. However, this operation can be very time-consuming (depending on the system parameters, such as transceiver parameters, distance between transceivers, divergence of the transmitter, angle of view of the receiver, etc.). A spiral scan is used as the most widespread pattern for scanning. This article examines the effects of system parameters (e.g., global navigation satellite systems and compass accuracy) on the angular area of uncertainty that must be scanned to find the optical beam. Furthermore, several types of spiral pattern are compared depending on the time of the scan execution and the required number of points for scanning the given uncertainty area. The cut hexagonal spiral scan achieved the best results as it required 18.1% less time than the common spiral scan for the presented transceiver.en
dc.formattextcs
dc.format.extent0-17cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationPhotonics. 2024, vol. 11, issue 6, p. 0-17.en
dc.identifier.doi10.3390/photonics11060540cs
dc.identifier.issn2304-6732cs
dc.identifier.orcid0000-0002-3922-3979cs
dc.identifier.other188982cs
dc.identifier.researcheridG-1724-2019cs
dc.identifier.scopus55263561000cs
dc.identifier.urihttps://hdl.handle.net/11012/249481
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofPhotonicscs
dc.relation.urihttps://www.mdpi.com/2304-6732/11/6/540?utm_campaign=releaseissue_photonicsutm_medium=emailutm_source=releaseissueutm_term=doilink14cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2304-6732/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectFSOen
dc.subjectspiral scanen
dc.subjectspiral patternsen
dc.subjectalignmenten
dc.subjectangular area of uncertaintyen
dc.titleOptimal Scanning Pattern for Initial Free-Space Optical-Link Alignmenten
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-188982en
sync.item.dbtypeVAVen
sync.item.insts2024.10.14 11:03:27en
sync.item.modts2024.09.19 11:32:09en
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav radioelektronikycs
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