A Technique of Scan Blindness Elimination for Planar Phased Array Antenna using Miniaturized EBG
Keywords:Miniaturized EBG, phased array antenna, surface wave, directive antenna
AbstractIn this paper, the planar phased array antenna scan blindness characteristic has been analyzed and a novel technique of eliminating the scan blindness for the phased array antenna has been introduced. The scan blindness of the center element has been used to present the entire phased array characteristic. The array scan blindness characteristics have been simulated and analyzed using CST Microwave Studio (CST MWS). The 5Ã—3 planar phased array antenna radiation patterns against the pattern elevation angle direction has been simulated and compiled. The arrayâ€™s scan blindness has been determined at the angle of approximately 47â°. The miniaturized capacitive loaded Electromagnetic Band Gap (EBG) has been developed and introduced between the array elements to eliminate the problem. Based on the simulated results, it is shown that the use of a miniaturized EBG is effective in reducing the surface wave effects and eliminates the scan blindness in the array radiation pattern. This novel finding is very useful to improve the antenna directive efficiency for the directional radar and satellite application.
K. Yamamoto, K. Yamada, N. Yonemoto, H. Yasui, H. Nebiya, and C. Migliaccio. 2002. Millimeter Wave Radar for the Obstacle Detection and Warning System for Helicopters. RADAR 2002. 94â€“98.
L. Giubbolini. 2000. A Multistatic Microwave Radar Sensor for Short Range Anticollision Warning. IEEE Transactions on Vehicular Technology. 49: 2270â€“2275.
W. Guangmin, X. Jingmin, Z. Nanning, and A. Sano. 2011. Computationally Efficient Subspace-Based Method for Two-Dimensional Direction Estimation With L-Shaped Array. IEEE Transactions on Signal Processing. 59: 3197â€“3212.
R. Gonzalo, P. De Maagt, and M. Sorolla. 1999. Enhanced Patch-antenna Performance by Suppressing Surface Waves Using Photonic-bandgap Substrates. IEEE Transactions on Microwave Theory and Techniques. 47: 2131â€“2138,
Z. Iluz, R. Shavit, and R. Bauer. 2004. Microstrip Antenna Phased Array with Electromagnetic Bandgap Substrate. IEEE Transactions on Antennas and Propagation. 52: 1446â€“1453.
D. Pozar and D. Schaubert. 1984. Analysis of an Infinite Array of Rectangular Microstrip Patches with Idealized Probe Feeds. IEEE Transactions on Antennas and Propagation. 32: 1101â€“1107.
H. Liu, K. L. Ford, and R. J. Langley. 2008. Novel Planar Band Pass Lump-loaded Frequency Selective Surface. IEEE MTT-S International Microwave Workshop Series on Art of Miniaturizing RF and Microwave Passive Components. 87â€“89.
Y. Fei-Ran, M. Kuang-Ping, Q. Yongxi, and T. Itoh. 1999. A Novel TEM Waveguide Using Uniplanar Compact Photonic-bandgap (UC-PBG) Structure. IEEE Transactions on Microwave Theory and Techniques. 47: 2092â€“2098,
G. Donzelli, F. Capolino, S. Boscolo, and M. Midrio. 2007. Elimination of Scan Blindness in Phased Array Antennas Using a Grounded-Dielectric EBG Material. IEEE Antennas and Wireless Propagation Letters. 6: 106â€“109.
F. Yunqi and Y. Naichang. 2004. Elimination of Scan Blindness in Phased Array of Microstrip Patches Using Electromagnetic Bandgap Materials. IEEE Antennas and Wireless Propagation Letters. 3: 63â€“65.
T. A. Milligan. 2005. Modern Antenna Design. Hoboken, New Jersey: John Wiley & Sons,
D. Pozar and D. Schaubert. 1984. Scan Blindness in Infinite Phased Arrays of Printed Dipoles. IEEE Transactions on Antennas and Propagation. 32: 602â€“610.
How to Cite
Copyright of articles that appear in Jurnal Teknologi belongs exclusively to Penerbit Universiti Teknologi Malaysia (Penerbit UTM Press). This copyright covers the rights to reproduce the article, including reprints, electronic reproductions, or any other reproductions of similar nature.