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Information 2018, 9(12), 328;

Smart Antenna for Application in UAVs

Academia Militar, DCTE, 1169-203 Lisboa, Portugal
Instituto de Telecomunicações, Instituto Superior Técnico, 1049-001 Lisboa, Portugal
Departamento de Engenharia Electrotécnica e de Computadores, Instituto Superior Técnico, 1049-001 Lisboa, Portugal
Author to whom correspondence should be addressed.
Received: 16 October 2018 / Revised: 4 December 2018 / Accepted: 5 December 2018 / Published: 18 December 2018
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In the present paper, a smart planar electrically steerable passive array radiator (ESPAR) antenna was developed and tested at the frequency of 1.33 GHz with the main goal to control the main radiation lobe direction, ensuring precise communication between the antenna that is implemented in an unmanned aerial vehicle (UAV) and the base station. A control system was also developed and integrated into the communication system: an antenna coupled to the control system. The control system consists of an Arduino, a digital potentiometer, and an improved algorithm that allows defining the radiation-lobe direction as a function of the UAV flight needs. The ESPAR antenna was tested in an anechoic chamber with the control system coupled to it so that all previously established requirements were validated. View Full-Text
Keywords: P-ESPAR antenna; smart antenna; control system; Arduino; UAV communication system P-ESPAR antenna; smart antenna; control system; Arduino; UAV communication system

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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MDPI and ACS Style

Carneiro, A.F.A.; Torres, J.P.N.; Baptista, A.; Martins, M.J.M. Smart Antenna for Application in UAVs. Information 2018, 9, 328.

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