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Article Dans Une Revue IEEE Journal on Selected Areas in Communications Année : 2018

Channel Modeling and and Parameter Optimization for Hovering UAV-Based Free-Space Optical Links

Mohammad Taghi Dabiri
Seyed Mohammad Sajad Sadough
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Mohammad Ali Khalighi
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Résumé

Recently, the use of multi-rotor (MR) unmanned aerial vehicles (UAVs) has emerged as a promising solution for establishing flexible free-space optical (FSO) communication links. We address in this paper accurate channel modeling to assess the benefits of MR UAV-based deployment for such links. In particular, in the absence of active tracking subsystems, we derive statistical models for ground-to-UAV, UAV-to-UAV, and UAV-to-ground links over both Gamma-Gamma and log-normal atmospheric turbulence models. Unlike previous works on this topic, our proposed model considers the joint effect of atmospheric turbulence along with position and angle-of-arrival fluctuations. The high accuracy of the proposed analytical models is verified by comparing numerically solved and Monte-Carlo simulation results in terms of link outage probability. We further discuss the impact of different transmitter/receiver parameters and their optimization in view of maximizing the link availability.
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Dates et versions

hal-02421604 , version 1 (05-04-2020)

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Mohammad Taghi Dabiri, Seyed Mohammad Sajad Sadough, Mohammad Ali Khalighi. Channel Modeling and and Parameter Optimization for Hovering UAV-Based Free-Space Optical Links. IEEE Journal on Selected Areas in Communications, 2018, Special issue on Airborne Communication Networks, ⟨10.1109/JSAC.2018.2864416⟩. ⟨hal-02421604⟩
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