Antenna Diagnostics and Characterization Using Unmanned Aerial Vehicles | Zendy

Maria Garcia-Fernandez | Zendy; Yuri Alvarez Lopez | Zendy; Ana Arboleya | Zendy; Borja Gonzalez-Valdes | Zendy; Yolanda Rodriguez-Vaqueiro | Zendy; Maria Elena De Cos Gomez | Zendy; Fernando Las-Heras Andres | Zendy

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Antenna Diagnostics and Characterization Using Unmanned Aerial Vehicles

Author(s) -

Maria Garcia-Fernandez,

Yuri Alvarez Lopez,

Ana Arboleya,

Borja Gonzalez-Valdes,

Yolanda Rodriguez-Vaqueiro,

Maria Elena De Cos Gomez,

Fernando Las-Heras Andres

Publication year - 2017

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2017.2754985

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

This paper presents a compact, low-cost unmanned aerial system for antenna measurement. The proposed system overcomes existing limitations in terms of unmanned aerial vehicle positioning and data geo-referring accuracy using a real-time kinematic positioning system to achieve centimeter-level accuracy. Amplitude-only measurements acquired using a low-cost power sensor are processed by means of the phaseless sources reconstruction method. This is an iterative phase retrieval technique that allows recovering an equivalent currents distribution, which characterizes the antenna under test (AUT). From these equivalent currents, near-field to far-field transformation is applied to calculate the AUT radiation pattern. This contribution also analyzes probe antenna characterization and the impact of positioning and geo-referring accuracy on the radiation pattern. Two application examples of antenna measurement at Sand C-bands using the implemented system are presented.

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