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Broadband microstrip patch antenna array using stacked structure

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4 Author(s)
Fan Zhang ; Nat. Key Lab. of Antennas & Microwave Technol., Xidian Univ., Xi''an, China ; Fu-Shun Zhang ; Chen Lin ; Gang Zhao

A stacked microstrip antenna with aperture coupling feeding as the individual radiator of the wide band antenna array is proposed. With adjusted parameters, it exhibits a broad impedance bandwidth (VSWR ≤ 2) of about 27% (8.8 GHz-11.6 GHz). Comprised by the proposed stacked antenna elements, a broad band 8 × 8 stacked microstrip antenna array is designed and fabricated. For improving the efficiency of the array, ingenious efforts have been made to achieve a simple feeding structure. The results show that the proposed antenna array has a broad impedance bandwidth of about 18%. Along with the broad impedance bandwidth, the gain of the antenna array is investigated and discussed.

Published in:

Microwave and Millimeter Wave Technology (ICMMT), 2010 International Conference on

Date of Conference:

8-11 May 2010