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A novel gap coupled dual band multiple ring antenna with a defected ground structure (DGS) has been successfully implemented. A different technique is used in this communication where both gap coupling and defected ground are applied to obtain better results for wireless applications. The designed antenna operates in two different frequency bands. The antenna shows a wideband in C-band and also resonates in the X-band. The main parameters like return loss, impedance bandwidth, radiation pattern and gain are presented and discussed. The gain is increased and the side lobe level is considerably reduced to a good extent. Designed antenna is tested and the results show that the simulation and experimental results are in good agreement with each other.
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S.D. Targonski, R.B. Waterhouse and D. M. Pozar, "Design of wideband aperture-stacked patch microstrip antennas", Transactions on Antennas and Propagation, 46 (9), pp. 1245-1251, 1998.
Araki, K., H., Ueda, and M., Takahashi, "Numerical analysis of circular disk microstrip antenna with parasitic elements", IEEE Transactions on Antennas and Propagation, 34 (12), pp. 1390–1394, 1986.
Qu, D., Shafai, L., and Foroozesh, A. 'Improving microstrip patch antenna performance using EBG substrates', IEE Proc., Microw. Antennas Propag., 153, (6), pp. 558–563, 2006.
Zainud-Deen, S. H., M. E. Badr, E. El-Deen, K. H. Awadallaand H. A. Sharshar, "Microstrip antenna with defected ground plane structure as a sensor for landmines detection", Progress In Electromagnetics Research B, Vol. 4, pp. 27–39, 2008.
Bao, X. L. and M. J. Ammann, "Dual-frequency circularly- polarized patch antenna with compact size and small frequency ratio," IEEE Trans. Antennas Propag., Vol. 55, No. 7, pp. 2104-2107, 2007.
Weng, L. H., Y.-C. Guo, X.-W. Shi, and X.-Q. Chen, "An overview on defected ground structure," Progress In Electromagnetics Research B, Vol. 7, pp. 173-189, 2008.
Lim, I.-S., C.-S. Kim, Y.-T. Lee, D. Ahn, and S. Nam, "Vertically periodic defected ground structure for planar transmission lines," Electronics Letters, Vol. 38, No. 75, pp. 803–804, July 2002.
Lim, J. S., C. S. Kim, Y. T. Lee, D. Ahn, and S. Nam, "A spiral-shaped defected ground structure for coplanar waveguide," IEEE Microwave Wireless Comp. Lett., Vol. 12, No. 9, pp. 330-332, 2002.
Guha, D., M. Biswas, and Y. M. M. Antar," Microstrip patch antenna with defected ground structure for Cross Polarization Suppression'', IEEE Antennas and Wireless Propag. Lett., vol. 4, pp. 455-458, 2005.
Kandwal, A and, S. K. Khah, "Improved characteristics of DGS ring antenna in L-Band," Antennas and Propagation Conference (LAPC), 2011 Loughborough IEEE Xplore, pp. 1-5, 2011.
Karmakar, N. C. and S. K. Padhi, "VSAT Broadband Shared Aperture Antennas" International Journal of RF und Microwave Computer-Aided Engineering, March 2003.
Sharma, R., A. Kandwal, S. K. Khah, "Compact Wideband Circular Ring Defected Ground Antenna", Advanced Computational Techniques in Electromagnetics, Volume 2012, Article ID acte-00107, 5 Pages doi: 10.5899/2012/acte-00107, 2012.
Chayono, R., Y. Kimura, and M. Haneishi," An improved multiband performance using defected ground structure," IEICE Society Conf., B-1-106, Sept. 2007.
Guha, D., S. Biswas, M. Biswas, J. Y. Siddiqui, and Y. M. M. Antar, "Concentric ring-shaped defected ground structures for microstrip applications", IEEE Antennas and Wireless Propag. Lett., vol. 5, pp. 402-405, 2006.
Kandwal, A., T. Chakravarty and S. K. Khah, "Circuital Method for Admittance Calculation of Gap-Coupled Sectoral Antennas", Microwave and Optical Technology Letters, vol. 54, (1), pp. 210-213, 2012.
Chen, J., Z. B. Weng, Y. C. Jion, and F. S. Zhang, "Lowpass filter design of hilbert curve ring defected ground structure," Progress In Electromagnetics Research, PIER 70, pp. 269–280, 2007.
Hamad, E. K. I., A. M. E. Safwat, and A. S. Omar, "Controlled capacitance and inductance behaviour of L-shaped defected ground structure for coplanar waveguide," IEE Proc. – Microwave Antennas Propag., Vol. 152, No. 5, pp. 299–304, October 2005.
Joung, M.-S., J.-S. Park, and H.-S. Kim, "A novel modeling method for defected ground structure using adaptive frequency sampling and its application to microwave oscillator design," IEEE Transaction on Microwave Theory and Techniques, Vol. 41, No. 5, pp. 1656–1659, May 2005.
Horii, Y. and M. Tsutsumi, "Harmonic control by photonic band gap on microstrip patch antenna," IEEE Microwave and Guided Wave Letters, Vol. 9, pp. 13–14, January 1999.
Yang, H.-Y. D., N. G. Alexopoulos, and E. Yablonovitch, "Photonic bandgap materials for high-gain printed circuit antennas," IEEE Trans. Antennas Propagat., Vol. 45, pp. 185–187, Jan. 1997.
Arya, K. Ashwini, M. v. Kartikeyan, A. Patnaik, "Efficiency Enhancement of Microstrip Patch Antenna with Defected Ground Structure," Proceedings of International Conference on Microwave, pp. 729-731, 2008.
Jan, J. Y. and K. L. Wong, "Single-feed dual-frequency circular microstrip antenna with an open-ring slot," Microw. Opt. Technol. Lett., vol. 22, no. 3, pp. 157-159, Aug. 1999.
Lu, J. H., "Dual-frequency operation of a single-feed rectangular microstrip antenna with a pair of comb-shaped slots," Microw. Opt. Technol. Lett., vol. 23, pp. 183-186, Nov. 5, 1999.
Binoy, G. S., C. K. Anandam, P. Mohanan, K. Vasudevan, and K. G. Nair, "Single-feed dual-frequency dual-polarized slotted square microstrip antenna," Microw. Opt. technol. Lett., vol. 25, pp. 395-397, June 20, 2000.