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A Double-sided Printed Dipole Array with an Electromagnetic Band-Gap Reflector

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Abstract

Electromagnetic band-gap (EBG) structures have unique properties in controlling the propagation of electromagnetic wave and have been applied to a wide range of electromagnetic devices design. In this paper, a double-sided printed dipole (DSPD) array backed by an EBG reflector is proposed for achieving a low-profile design as well as gain enhancement. Simulation results show that a reduction of more than 55% in antenna height can be obtained by placing the DSPD array over an EBG reflector rather than a perfect electric conductor (PEC) reflector. And the obtained gain of the antenna with an EBG reflector is about 1.9 dB higher than that with a PEC reflector at the operating frequency 2.77 GHz. The EBG reflector can be utilized to reduce a cavity-backed antenna height and enhance the antenna radiation efficiency. The design has a good potential application to antenna arrays with more elements in wireless communication.

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Acknowledgment

The authors thank their colleagues for their discussions and suggestions to this research and specially thank Ansoft HFSS China to supply the evaluated software for the simulation.

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Correspondence to Huiliang Xu.

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Xiao, Z., Xu, H. A Double-sided Printed Dipole Array with an Electromagnetic Band-Gap Reflector. J Infrared Milli Terahz Waves 30, 423–431 (2009). https://doi.org/10.1007/s10762-009-9471-0

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  • DOI: https://doi.org/10.1007/s10762-009-9471-0

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