volume | PIER Journals

2012-11-25

A Composite Dipole Antenna Array with Direct Feed

Shu Lin,

Dr. Shu Lin

Harbin Institute of Technology

China

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Yi-Chen Lin,

Dr. Yi-Chen Lin

School of Electronics and Information Engineering

Harbin Institute of Technology

China

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Xi Liu,

Dr. Xi Liu

School of Electrical and Computer Engineering

Texas A&M University

USA

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Meng-Qian Liu,

Dr. Meng-Qian Liu

School of Electronics and Information Engineering

Harbin Institute of Technology

China

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Xin-Ru Ma,

Dr. Xin-Ru Ma

School of Electronics and Information Engineering

Harbin Institute of Technology

China

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Liwen Jing

Dr. Liwen Jing

School of Electronics and Information Engineering

Harbin Institute of Technology

China

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Progress In Electromagnetics Research C, Vol. 34, 253-263, 2013

doi:10.2528/PIERC12101205

Abstract

Design of a composite dipole antenna array with direct feed is presented. In the form of printed-circuit antennas, the structure of the design consists of a doublet antenna and an elliptic loaded monopole antenna with a skirted dipole. As the load of the antenna array, this elliptic monopole provides wider bandwidth. Therefore, with the load possessing a radiation characteristic, it contributes to enhancing efficiency of the antenna array and hence the omni-directional radiation gain. A good agreement between simulated results by CST Microwave Studio^® and tested results suggests that the reflection coefficient for the frequency range between 4.35 GHz to 5.0 GHz is lower than -10 dB. The out-of-roundness on H-plane is lower than 2dB and the maximum gain is higher than 6dB for the frequency range from 4.6 to 5.0 GHz. What's more, the gain per wavelength is about 4 dB, showing the antenna's excellence in miniaturization.

Citation

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Shu Lin, Yi-Chen Lin, Xi Liu, Meng-Qian Liu, Xin-Ru Ma, and Liwen Jing, "A Composite Dipole Antenna Array with Direct Feed," Progress In Electromagnetics Research C, Vol. 34, 253-263, 2013.
doi:10.2528/PIERC12101205

References

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