Design and Simulation of Array Antenna in Ku Band with High Gain and Very Low Sidelobe Level for Space and Radar Applications

Document Type : Original Article

Authors

1 M.Sc., Shahroud University of Technology, Shahroud, Iran

2 Assistant Professor, Department of Telecommunications, Shahroud University, Shahroud, Iran

3 Professor, University of Science and Technology, Tehran, Iran

Abstract

The purpose of this article is design and development of an aperture coupling microstrip array antenna with high gain, high bandwidth, low side-lobe level. work with optimally design of element started. Then, the complete 512 element array was fed to all the elements by feeding and distributing the same power and gain was obtained over 30 dB. To reduce the side-lobe level, the feed network is designed with Taylor distribution so that the specific range required for each element, which is different from the other elements, is obtained and also, all elements of the array are fed in phase. The elements that are in the middle of the array receive the most power and the elements that are in the besides of the array receive the least power. This structure is designed with 512 elements in an array of 32 × 16, and the operating frequency of the antenna is 12.5 to 14.9 GHz, equivalent to 17% of bandwidth in the Ku band. The gain of this antenna is 29 dB and gain variations over the entire frequency range is low, which is desirable and the side-lobe level also varies between -22 dB and -29 dB on both of the E-plane and H-plane. Finally, a metal reflector plate was used to lower the Backlobe level, reaching F/B levels above 35 dB. The overall dimensions of the antenna are 576 mm × 288 mm.

Keywords

References

[1] S. Thakur, S.S. Narkhede, T. Bhuiya and T. Bhuiya, “Microstrip patch antenna array for Rainfall RADAR,” Fourth International Conference on Computing, Communications and Networking Technologies (ICCCNT), pp. 1–4, July 2013.##
[2]  M.N. Shakib, M.T. Islam and N. Misran “Stacked patch antenna with folded patch feed for ultra-wideband application,” IET Microwave Antennas Propagation, vol.4, no. 10, pp. 1456–1461, 2010.##
[3]   R. Azim, M.T. Islam and N. Misran, “Ground modified double- sided printed compact UWB antenna”, Electronic Letter, vol. 47, no. 1, pp. 9-11, 2011.##
[4]  M. Mosalanejad, S. Brebels and I. Ocket, “Millimeter wave cavity backed aperture coupled microstrip patch antenna,” 10th European Conf. Antennas and Propagation (EuCAP), Davos, pp. 1–5, 2016##
[5]   M.M. Bilgic and K. Yegin, “Wideband offset slot-coupled patch antenna array for X/Ku-band multimode radars,”IEEE Antennas Wireless Propagation Letter, vol. 13, pp. 157–160, 2014.##
[6]   A. K. Sahu, M. R. Das, “4×4 rectangular patch array antenna for bore sight application of conical scan S-band tracking radar, ” Antenna Week (IAW), pp. 1 - 4, 2011.##
[7]   N. Boskovic, “High Gain Printed Antenna Array for FMCW Radar at 17 GHz,” 12th International Conference on Telecommunication in Modern Satellite, Cable and Broadcasting Services (TELSIKS) Serbia, Nis, October, 2015.##
[8]   Z. Y. Wei, “The Simulation Design of a Low-Side Lobe Level High Gain and Broadband Microstrip Patch Antenna Array,” Proceedings of ISAP, Okinawa, Japan, 2016.##
[9]   G. C. Kang, H. Y. Lee, J. K. Kim, “Ku-Band High Efficiency Antenna with Corporate-Series-Fed Microstrip Array,”IEEE Antenna and Propagation Society International Symposium, August, 2003.##
[10] C. A. Balanis, “Antenna Theory: Analysis and Design, 3rd Edition,” John Wiley and Sons, Inc., Hoboken, 2005.##
[11] R. C. Hansen, “Phased Array Antennas,” Wiley, 1998.##
Radar
Volume 8, Issue 2 - Serial Number 24
February 2021
Pages 79-88

Files

History

  • Receive Date: 13 August 2020
  • Revise Date: 14 February 2021
  • Accept Date: 21 February 2021
  • Publish Date: 21 December 2020

Share

How to cite

Statistics