volume | PIER Journals

2014-07-10

An UWB Microstrip Antenna Array with Novel Corporate-Fed Structure

Chen-Xin Zhang,

Dr. Chen-Xin Zhang

Department of School of Air and Missile Defense

Air Force Engineering University

China

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Ya-Qiang Zhuang,

Mr. Ya-Qiang Zhuang

Department of School of Air and Missile Defense

Air Force Engineering University

China

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Xiao-Kuan Zhang,

Dr. Xiao-Kuan Zhang

National Key Laboratory of Antennas and Microwave Technology

Xidian University

China

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Lizhong Hu

Dr. Lizhong Hu

School of Air and Missile Defense

Air Force Engineering University

China

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Progress In Electromagnetics Research C, Vol. 52, 7-12, 2014

doi:10.2528/PIERC14051203

Abstract

A novel feed network based on the microstrip/slotline transition is proposed in this paper. This feed network not only has ultra-wide impedance bandwidth but also can improve space utilization and make the design of antenna array easier. Then an ultra-wideband (UWB) antenna array with four elements fed by the network is designed. The antenna array is simulated, manufactured and measured. The results show that: the impedance bandwidth with return loss under -10 dB is 88.76%, from 2.35 GHz to 6.1 GHz. Within the impedance bandwidth, the radiation performance is satisfactory, and the gain of the array is 2.1-7.1 dB, higher than that of the element. The cross-polarization level of the array is lower than -20 dB, just as the element. A reasonable agreement of results is achieved between simulation and measurement.

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Chen-Xin Zhang, Ya-Qiang Zhuang, Xiao-Kuan Zhang, and Lizhong Hu, "An UWB Microstrip Antenna Array with Novel Corporate-Fed Structure," Progress In Electromagnetics Research C, Vol. 52, 7-12, 2014.
doi:10.2528/PIERC14051203

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