Title :
Synthesis of miniaturized load-ended spiral antennas for UHF passive tags
Author :
Goudos, Sotirios K. ; Siakavara, Katherine ; Sahalos, John N.
Author_Institution :
Dept. of Phys., Aristotle Univ. of Thessaloniki, Thessaloniki, Greece
Abstract :
In this paper, new planar spiral antennas for passive RFID tag application at UHF band are designed and optimized using the Artificial Bee Colony (ABC) algorithm. The optimization goals are antenna size minimization, gain maximization and conjugate matching. The antenna dimensions were optimized and evaluated using ABC in conjunction with commercial EM software. The optimization results produced show that ABC is a powerful optimization algorithm that can be efficiently applied to tag antenna design problems. RFID tags with dimensions less than 4cm, maximum gain that reaches the value of 1.83 dBi and read distance more than 10m were among those obtained by the algorithm.
Keywords :
electrical engineering computing; microwave antennas; optimisation; planar antennas; radiofrequency identification; spiral antennas; telecommunication computing; ABC; UHF band; UHF passive tags; antenna size minimization; artificial bee colony algorithm; commercial EM software; conjugate matching; gain 1.83 dB; gain maximization; miniaturized load-ended spiral antenna synthesis; optimization algorithm; passive RFID tag application; planar spiral antennas; radiofrequency identification technology; tag antenna design problems; Algorithm design and analysis; Impedance; Loaded antennas; Optimization; Radiofrequency identification; Spirals;
Conference_Titel :
Antennas and Propagation in Wireless Communications (APWC), 2013 IEEE-APS Topical Conference on
Conference_Location :
Torino
DOI :
10.1109/APWC.2013.6624919
