Title :
Circularly polarized ring-slot antenna for RFID readers
Author :
Ramírez, M. ; Parron, J.
Author_Institution :
Dept. of Telecommun. & Syst. Eng., Univ. Autonoma de Barcelona (UAB), Cerdanyola del Vallès, Spain
Abstract :
In this paper we present the design of a single-layer annular-ring slot microstrip antenna with circular polarization for RFID readers. Two semi-elliptical perturbations have been etched in the ring slot in order to improve the axial ratio bandwidth.
Keywords :
electromagnetic wave polarisation; microstrip antennas; radiofrequency identification; slot antennas; RFID readers; axial ratio bandwidth; circularly polarized ring-slot antenna; semielliptical perturbations; single-layer annular-ring slot microstrip antenna; Antenna measurements; Bandwidth; Microstrip; Microstrip antennas; Radiofrequency identification; Slot antennas; Circular-polarization; RFID Reader; Ring-slot antenna;
Conference_Titel :
Antennas and Propagation (EUCAP), 2012 6th European Conference on
Conference_Location :
Prague
Print_ISBN :
978-1-4577-0918-0
Electronic_ISBN :
978-1-4577-0919-7
DOI :
10.1109/EuCAP.2012.6205963
