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https://open.uns.ac.rs/handle/123456789/1569
Nаziv: | Impact of Temporary Link Blockage on Ergodic Capacity of FSO System | Аutоri: | Petković, Milica Djordjevic G. |
Dаtum izdаvаnjа: | 1-јун-2018 | Čаsоpis: | ETRI Journal | Sažetak: | © 2018 ETRI Free-space optical (FSO) systems have attracted much attention from both research and application perspectives owing to their many benefits, such as license-free operation, low-cost, and high data rates. This paper investigates the ergodic capacity of FSO systems, which is an important metric of system performance. The stochastic temporary laser-beam blockage, pointing errors, and atmospheric turbulence are simultaneously considered. The results illustrate that the link blockage causes a decreased ergodic capacity. We show that to maximize the ergodic capacity, there is an optimal value of the laser-beam radius at the waist, which largely depends on pointing errors; however, it is independent of the atmospheric turbulence and the probability of link blockage. | URI: | https://open.uns.ac.rs/handle/123456789/1569 | ISSN: | 12256463 | DOI: | 10.4218/etrij.2017-0029 |
Nаlаzi sе u kоlеkciјаmа: | FTN Publikacije/Publications |
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