Compact dual-band microstrip slot antenna for UHF and microwave RFID applications

This paper presents a new dual-band microstrip slot antenna using two inverted L-shaped slots embedded on the radiating patch, suitable for Radio Frequency Identification (RFID) applications especially designed for RFID readers and it operates at 910 MHz and 2.45 GHz. This antenna is designed with a reasonable gain, low profile and low cost achievement. The simulation results carried out by ADS and CST Microwave Studio electromagnetic solvers, demonstrate that we have good performances in term of return loss, gain, radiation pattern and efficiency for the desired frequency bands. This antenna has a total area of 48×47 mm2 and mounted on an FR4 substrate with dielectric permittivity constant 4.4, thickness of 1.6 mm and loss tangent of 0.025. All simulation results of the resonant frequency, return loss, radiation patterns and fields distributions are presented.

[1]  Klaus Finkenzeller,et al.  Book Reviews: RFID Handbook: Fundamentals and Applications in Contactless Smart Cards and Identification, 2nd ed. , 2004, ACM Queue.

[2]  S. Shahid,et al.  High gain broadband monopole antenna for wireless communications , 2012, 2012 International Conference on Emerging Technologies.

[3]  S. Tedjini,et al.  New bi-band fractal antennas , 2006, 2006 12th International Symposium on Antenna Technology and Applied Electromagnetics and Canadian Radio Sciences Conference.

[4]  Thomaskutty Mathew,et al.  Dual band dipole antenna for RFID/WSN applications , 2014, 2014 International Conference on Electronics and Communication Systems (ICECS).

[5]  K. P. Ray,et al.  Wide-band planar monopole antennas , 1998 .

[6]  Constantine A. Balanis,et al.  Antenna Theory: Analysis and Design , 1982 .

[7]  Chimay J. Anumba,et al.  Radio-Frequency Identification (RFID) applications: A brief introduction , 2007, Adv. Eng. Informatics.

[8]  M. Sreenivasan,et al.  Compact CPW-fed dual-band antenna , 2010 .

[9]  R. A. Burberry,et al.  Antenna problems in RFID systems , 1999 .

[10]  Yvonne Schuhmacher,et al.  Rfid Handbook Fundamentals And Applications In Contactless Smart Cards And Identification , 2016 .

[11]  P. Sarkar,et al.  A novel approach on miniaturization of microstrip patch antenna with loaded strips , 2014, International Conference on Electronics, Communication and Instrumentation (ICECI).

[12]  R. Nilavalan,et al.  Multiband and Wideband Monopole Antenna for GSM900 and Other Wireless Applications , 2012, IEEE Antennas and Wireless Propagation Letters.

[13]  H.-M. Chen.  Microstrip-fed dual-frequency printed triangular monopole , 2002 .

[14]  Hong-Twu Chen,et al.  A CPW-fed dual-frequency monopole antenna , 2004, IEEE Transactions on Antennas and Propagation.