Title :
Circularly polarized square-ring slot antenna
Author :
Ramirez, 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 square-ring slot microstrip antenna with circular polarization for RFID readers. A 3-dB axial ratio bandwidth larger than 6% can be obtained meandering the slot at two opposite corners of the square- ring.
Keywords :
UHF antennas; antenna radiation patterns; microstrip antennas; radiofrequency identification; slot antennas; RFID reader antenna; RFID systems; axial ratio bandwidth; bandwidth 879 MHz to 1002 MHz; bandwidth 884 MHz to 941 MHz; bandwidth 915 MHz; circular square-ring slot antenna polarization; single-layer square-ring slot microstrip antenna; slot meandering; Antenna measurements; Bandwidth; Microstrip; Microstrip antennas; Radiofrequency identification; Slot antennas;
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2013 IEEE
Conference_Location :
Orlando, FL
Print_ISBN :
978-1-4673-5315-1
DOI :
10.1109/APS.2013.6711738
