Title :
A novel RFID tag antenna for matching complex impedances on 915MHz and 2.45GHz bands
Author :
Lin, Wei ; Chu, Qing-Xin
Author_Institution :
Sch. of Electron. & Inf. Eng., South China Univ. of Technol., Guangzhou, China
Abstract :
A novel RFID tag antenna with a coupled loop added on a meandered dipole is proposed to match the complex impedances of chips without additional matching network for both 915MHz and 2.45GHz RFID systems. The antenna has a low-profile, compact size (15mm ×75mm), and its maximum gain is over 2dBi in H-plane on both bands. An equivalent circuit of the antenna is analyzed and the design procedure is presented. The measured results of the antenna have a good agreement with its simulated results. Own to simple structure, the proposed antenna can be easily fabricated and widely used in practical applications.
Keywords :
UHF antennas; dipole antennas; impedance matching; microwave antennas; radiofrequency identification; RFID tag antenna; complex impedance matching; frequency 2.45 MHz; frequency 915 MHz; meandered dipole; size 15 mm; size 75 mm; Antenna measurements; Dipole antennas; Dual band; Impedance; Microwave antennas; Radiofrequency identification; RFID; dual-band; impedance matching; tag antenna;
Conference_Titel :
Microwave Conference Proceedings (APMC), 2010 Asia-Pacific
Conference_Location :
Yokohama
Print_ISBN :
978-1-4244-7590-2
Electronic_ISBN :
978-1-902339-22-2
