Title :
Very low profile high gain helix antenna with Fabry-Perot cavity for UHF RFID
Author :
Rimbault, N. ; Sharaiha, A. ; Collardey, Sylvain
Author_Institution :
IETR, Univ. de Rennes 1, Rennes, France
Abstract :
Decreasing the size of the UHF Radio Frequency Identification (RFID) reader antenna without reducing the tag reading performance is a challenging problem. A low profile helix antenna (0.3λ) with high gain for RFID reader is presented in this paper. The size reduction and high gain are obtained by feeding a cylindrical cavity closed by a frequency selective surface as Fabry-Perot structures. The cavity structure has been simulated and optimized with HFSS software. The structure has a total size of 692×692×155mm3 and presents good performance, such as an high gain of 14.8dBic over a large bandwidth with a good axial ratio.
Keywords :
UHF antennas; antenna feeds; frequency selective surfaces; radiofrequency identification; Fabry-Perot cavity structure; HFSS software; RFID; UHF radiofrequency identification reader antenna; cylindrical cavity; frequency selective surface; size reduction; tag reading performance; very low profile high gain helix antenna; Cavity resonators; Frequency selective surfaces; Gain; Helical antennas; Radiofrequency identification; UHF antennas; FSS; Fabry-Perot cavity; Helix Antenna; High Gain; Radio Frequency Identification (RFID); Reader antenna;
Conference_Titel :
Antennas and Propagation (EuCAP), 2013 7th European Conference on
Conference_Location :
Gothenburg
Print_ISBN :
978-1-4673-2187-7
Electronic_ISBN :
978-88-907018-1-8
