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dc.contributor.authorN'Doye, I.
dc.contributor.authorCai, W.
dc.contributor.authorAl-Alwan, Asem Ibrahim Alwan
dc.contributor.authorSun, X.
dc.contributor.authorHeadary, W. G.
dc.contributor.authorAlouini, M. -S.
dc.contributor.authorOoi, B. -S.
dc.contributor.authorLaleg-Kirati, T. -M.
dc.date.accessioned2021-02-17T08:26:58Z
dc.date.available2021-02-17T08:26:58Z
dc.date.issued2021-02-09
dc.identifier.urihttp://hdl.handle.net/10754/667490
dc.description.abstractFree-space optical communication is emerging as a low-power, low-cost, and high data rate alternative to radio-frequency communication in short-to medium-range applications. However, it requires a close-to-line-of-sight link between the transmitter and the receiver. This paper proposes a robust $\cHi$ control law for free-space optical (FSO) beam pointing error systems under controlled weak turbulence conditions. The objective is to maintain the transmitter-receiver line, which means the center of the optical beam as close as possible to the center of the receiving aperture within a prescribed disturbance attenuation level. First, we derive an augmented nonlinear discrete-time model for pointing error loss due to misalignment caused by weak atmospheric turbulence. We then investigate the $\cHi$-norm optimization problem that guarantees the closed-loop pointing error is stable and ensures the prescribed weak disturbance attenuation. Furthermore, we evaluate the closed-loop outage probability error and bit error rate (BER) that quantify the free-space optical communication performance in fading channels. Finally, the paper concludes with a numerical simulation of the proposed approach to the FSO link's error performance.
dc.publisherarXiv
dc.relation.urlhttps://arxiv.org/pdf/2102.04926
dc.rightsArchived with thanks to arXiv
dc.titleReduction of the Beam Pointing Error for Improved Free-Space Optical Communication Link Performance
dc.typePreprint
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
dc.contributor.departmentElectrical Engineering Program
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.eprint.versionPre-print
dc.identifier.arxivid2102.04926
kaust.personCai, W.
kaust.personAl-Alwan, Asem Ibrahim Alwan
kaust.personSun, X.
kaust.personHeadary, W. G.
kaust.personAlouini, M. -S.
kaust.personOoi, B. -S.
kaust.personLaleg-Kirati, T. -M.
refterms.dateFOA2021-02-17T08:27:38Z


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