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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control)
Vanessa García Pineda
Metropolitan Technological Institute
Computer Science & IT

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Archimides multiband micro ribbon spiral antenna for energy harvesting Edison Andrés Zapata Ochoa; Vanessa García Pineda; Alejandro Valencia Arias; Francisco Eugenio López Giraldo
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 23, No 4: August 2025
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v23i4.25702

Abstract

The current need to conserve natural resources and find new ways to advance without damaging the environment has led to the search for different energy sources. In this sense, the availability of radio frequency (RF) energy is found as a favorable option for new energy sources. This work describes the design of a microstrip antenna for the collection of radiofrequency energy in the megahertz band. Using the automatic optimization software computer simulation technology (CST) Studio, a circular spiral antenna is simulated using the low-cost FR4 substrate with a thickness of 1.57 mm and copper as the conductive material with a thickness of 0.035 mm. The proposed design presents resonance frequencies in multiple bands from 550 MHz to 1900 MHz, with bandwidths between 15 MHz and 150 MHz. The antenna design is based on the resonant cavity model and presents circular polarization due to its design coil type, with modified geometry using symmetrical orthogonal slots to generate multiple working bands. The design of this antenna can capture the power emitted by the frequency bands used in mobile telephony, radio communications, broadcasting, and television.
Co-Authors Alejandro Valencia Arias Edison Andrés Zapata Ochoa Francisco Eugenio López Giraldo