Vol. 34

Front:[PDF file] Back:[PDF file]
Latest Volume
All Volumes
All Issues
2014-01-16

Full-Wave Analysis of Anisotropic Circular Microstrip Antenna with Air Gap Layer

By Sami Bedra, Randa Bedra, Siham Benkouda, and Tarek Fortaki
Progress In Electromagnetics Research M, Vol. 34, 143-151, 2014
doi:10.2528/PIERM13122205

Abstract

In this paper, the effect of both uniaxial anisotropy in the substrate and air gap layer on the resonant frequency and bandwidth of circular microstrip patch are investigated. The problem is rigorously formulated based on the spectral domain technic in conjunction with Galerkin approach for computing the resonant frequency, half-power bandwidth, and radiation field of a tunable circular patch antenna which is printed on isotropic or uniaxial anisotropic substrate. The TM set of modes issued from the magnetic wall cavity model theory are used to expand the unknown currents on the patch. Resonant frequency shift due to uniaxial anisotropy is firstly investigated for different anisotropy ratio values of substrate. Then, the effect of inclusion of air gap layer inserted between anisotropic substrate and ground plane on the resonance characteristics is also investigated. The results obtained from this approach are in very good agreement with the experimental results available in the literature.

Citation


Sami Bedra, Randa Bedra, Siham Benkouda, and Tarek Fortaki, "Full-Wave Analysis of Anisotropic Circular Microstrip Antenna with Air Gap Layer," Progress In Electromagnetics Research M, Vol. 34, 143-151, 2014.
doi:10.2528/PIERM13122205
http://www.jpier.org/PIERM/pier.php?paper=13122205

References


    1. Gurel, C. S. and E. Yazgan, "Resonant frequency of air gap tuned circular microstrip antenna with anisotropic substrate and superstrate layers ," Journal of Electromagnetic Waves and Applications, Vol. 24, No. 13, 1731-1740, 2010.

    2. Fortaki, T., D. Khedrouche, F. Bouttout, and A. Benghalia, "Vector Hankel transform analysis of a tunable circular microstrip patch," Commun. Numer. Meth. Engng., Vol. 21, 231-231, 2005.

    3. Fortaki, T., S. Benkouda, M. Amir, and A. Benghalia, "Air gap tuning effect on the resonant frequency and half-power bandwidth of superconducting microstrip patch," PIERS Online, Vol. 5, No. 4, 350-354, 2009.
    doi:10.2529/PIERS081011143520

    4. Barkat, O., "Theoretical investigation of an air gap tuned superconducting annular ring microstrip antenna ," International Conference on Complex Systems (ICCS), 1-5, 2012.

    5. Lee, K. F. and J. S. Dahele, "Circular-disk microstrip antennas with an air gaps," IEEE Transactions on Antennas and Propagation, Vol. 32, No. 8, 880-884, 1984.
    doi:10.1109/TAP.1984.1143428

    6. Abboud, F., J. P. Damiano, and A. Papiernik, "A new model for calculating the input impedance of coax-fed circular microstrip antennas with and without air gap," IEEE Transactions on Antennas and Propagation, Vol. 38, No. 11, 1882-1885, 1990.
    doi:10.1109/8.102754

    7. Gurel, C. S. and E. Yazgan, "Resonant frequency of an air gap tuned circular disk microstrip antenna," Int. J. Electron., Vol. 87, 973-979, 2000.
    doi:10.1080/002072100404622

    8. Guha, D., "Resonant frequency of circular microstrip antennas with and without air gaps," IEEETransactions on Antennas and Propagation, Vol. 49, No. 1, 55-59, 2001.
    doi:10.1109/8.910530

    9. Gunel, T., "Continuous hybrid approach to the modified resonant frequency calculation for circular microstrip antennas with and without air gaps," Microwave Opt. Tech. Lett., Vol. 40, 423-427, 2004.
    doi:10.1002/mop.11399

    10. Gurel, C. S., E. Ayd{n, and E. Yazgan, "Computation and optimization of resonant frequency and input impedance of a coax-fed circular patch microstrip antenna," Microwave Opt. Tech. Lett., Vol. 49, No. 9, 2263-2267, 2007.
    doi:10.1002/mop.22675

    11. Bedra, S., S. Benkouda, M. Amir, and T. Fortaki, "Resonant frequency of tunable microstrip ring antenna printed on isotropic or uniaxially anisotropic substrate," Advanced Electromagnetics, Vol. 2, No. 2, 6-9, 2013.
    doi:10.7716/aem.v2i2.194

    12. Djouablia, L., I. Messoudan, and A. Benghalia, "Uniaxial anisotropic substrate effect on the resonance of an equitriangular microstrip patch antenna," Progress In Electromagnetics Research M, Vol. 24, 45-56, 2012.
    doi:10.2528/PIERM12011305

    13. Verma, A. K. and Nasimuddin, "Multilayer cavity model for microstrip rectangular and circular patch antenna," Electromagnetics, Vol. 24, No. 3, 193-217, 2004.
    doi:10.1080/02726340490422898

    14. Chew, W. C. and J. A. Kong, "Analysis of a circular microstrip disk antenna with a thick dielectric substrate ," IEEE Transactions on Antennas and Propagation, Vol. 29, No. 1, 68-76, 1981.
    doi:10.1109/TAP.1981.1142534

    15. Gurel, C. S. and E. Yazgan, "Characteristics of a circular patch microstrip antenna on a uniaxially anisotropic substrate," IEEE Transactions on Antennas and Propagation, Vol. 52, No. 10, 2532-2537, 2004.
    doi:10.1109/TAP.2004.834453

    16. Tighilt, Y., F. Bouttout, and A. Khellaf, "Modeling and design of printed antennas using neural networks," Int. J. RF and Microwave CAE, Vol. 21, 228-233, 2011.
    doi:10.1002/mmce.20509

    16. Tighilt, Y., F. Bouttout, and A. Khellaf, "Modeling and design of printed antennas using neural networks," Int. J. RF and Microwave CAE, Vol. 21, 228-233, 2011.
    doi:10.1002/mmce.20509

    17. Chew, W. C. and T. M. Habashy, "The use of vector transforms in solving some electromagnetic scattering problems," IEEE Transactions on Antennas and Propagation, Vol. 34, No. 7, 871-879, 1986.
    doi:10.1109/TAP.1986.1143919

    18. Losada, V., R. R. Boix, and M. Horn, "Resonant modes of circular microstrip patches in multilayered substrate," IEEE Transactions on Antennas and Propagation, Vol. 47, No. 4, 488-497, 1999.

    19. Benmeddour, F., C. Dumond, F. Benabdelaziz, and F. Bouttout, "Improving the performances of a high Tc superconducting circular microstrip antenna with multilayered configuration and anisotropic," Progress In Electromagnetics Research C, Vol. 18, 169-183, 2011.

    20. Motevasselian, A., "Spectral domain analysis of resonant charcteristics and radiation patterns of a circular disc and an annular ring microstrip antenna on uniaxial substrate," Progress In Electromagnetics Research M, Vol. 21, 237-251, 2011.
    doi:10.2528/PIERM11091002