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Circularly polarized square slot microstrip antenna for RFID applications

Published online by Cambridge University Press:  26 May 2015

Neha Sharma
Affiliation:
Department of Electronics & Communication Engineering, G. B. Pant Engineering College, Pauri Garhwal, Uttarakhand-246 194, India. Phone: +91 8979 719 397
Anil Kumar Gautam*
Affiliation:
Department of Electronics & Communication Engineering, G. B. Pant Engineering College, Pauri Garhwal, Uttarakhand-246 194, India. Phone: +91 8979 719 397
Binod Kumar Kanaujia
Affiliation:
Department of Electronics & Communication Engineering, Ambedkar Institute of Advanced Communication Technologies & Research, Geeta Colony, Delhi-110031, India
*
Corresponding author: A.K. Gautam Email: [email protected]

Abstract

In this paper, a novel circularly polarized square slot microstrip antenna is proposed for radio frequency identification (RFID) applications. The circular polarization is achieved by incorporating an arc-shaped strip in the square slot antenna. This antenna is fed by deformed bent feeding line to achieve a broad bandwidth (BW). The key parameters of the antenna are used for parametric study to understand the influence on the antenna performance. To validate simulation results of the design, a prototype is fabricated on the commercially available FR4 material. Measured results show a good agreement with the simulated results. It is found that the antenna shows an impedance BW of 170 MHz (844–1014 MHz) and axial-ratio BW of 170 MHz (834–1004 MHz), which shows that the proposed antenna is a good candidate to be used as a RFID antenna.

Type
Research Papers
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2015 

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References

REFERENCES

[1] Nasimuddin, , Chen, Z.N., Qing, X.: Asymmetric-circular shaped slotted microstrip antennas for circular polarization and RFID applications. IEEE Trans. Antennas Propag., 58 (2010), 38213828.Google Scholar
[2] Lu, J.-H.; Wang, S.-F.: Planar broadband circularly polarized antenna with square slot for UHF RFID reader. IEEE Trans. Antennas Propag., 61 (2013), 4553.Google Scholar
[3] Wang, Z.; Fang, S.; Fu, S.; Jia, S.: Single-fed broadband circularly polarized stacked patch antenna with horizontally meandered strip for universal UHF RFID applications. IEEE Trans. Microw. Theory Tech., 59 (2011), 10661073.CrossRefGoogle Scholar
[4] Chen, Z.N.; Qing, X.; Chung, H.L.: A universal UHF RFID reader antenna. IEEE Trans. Microw. Theory Tech., 57 (2009), 12751282.CrossRefGoogle Scholar
[5] Chen, X.; Fu, G.; Gong, S.-X.; Yan, Y.-L.; Zhao, W.: Circularly polarized stacked annular-ring microstrip antenna with integrated feeding network for UHF RFID readers. IEEE Antennas Wireless Propag. Lett., 9 (2010), 542545.Google Scholar
[6] Gautam, A.K.; Benjwal, P.; Kanaujia, B.K.: A compact square microstrip antenna for circular polarization. Microw. Opt. Technol. Lett., 54 (2012), 897900.Google Scholar
[7] Chen, H.-D.; Kuo, S.-H.; Sim, C.-Y.-D.; Tsai, C.-H.: Coupling-feed circularly polarized RFID tag antenna mountable on metallic surface. IEEE Trans. Antennas Propag., 60 (2012), 21662174.CrossRefGoogle Scholar
[8] Gautam, A.K.; Kunwar, A.; Kanaujia, B.K.: Circularly polarised arrowhead shape slotted microstrip antenna. IEEE Antennas Wireless Propag. Lett., 13 (2014), 471474.Google Scholar
[9] Chen, H.-D.; Sim, C.-Y.-D.; Kuo, S.-H.: Compact broadband dual coupling-feed circularly polarized RFID microstrip tag antenna mountable on metallic surface. IEEE Trans. Antennas Propag., 60 (2012), 55715577.Google Scholar
[10] Lai, X.-Z.; Xie, Z.-M.; Xie, Q.-Q.; Cen, X.-L.: A dual circularly polarized RFID reader antenna with wideband isolation. IEEE Antennas Wireless Propag. Lett., 12 (2013), 16301633.CrossRefGoogle Scholar
[11] Sim, C.-Y.-D.; Chi, C.-J.: A slot loaded circularly polarized patch antenna for UHF RFID reader. IEEE Trans. Antennas Propag., 60 (2012), 45164521.Google Scholar
[12] Ansoft, HFSS simulator version 14.0.Google Scholar