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http://dx.doi.org/10.5573/ieie.2017.54.3.10

0.65-7 GHz Inverse Conical Antenna for Reverberation Chamber  

Jeong, Jin-Young (Department of Electrical and Information Engineering, Seoul National University of Science and Techonology)
Chung, Jae-Young (Department of Electrical and Information Engineering, Seoul National University of Science and Techonology)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.54, no.3, 2017 , pp. 10-14 More about this Journal
Abstract
A reverberation chamber is widely used in mobile handset measurements due to its faster and simpler measurement process compared to traditional anechoic chambers. We propose an ultra-wideband inverse conical antenna design suitable as a reference antenna in a reverberation chamber. Traditionally, multiple discone antennas are needed to cover more than 10:1 operation bandwidth of a reverberation chamber. The proposed inverse conical antenna offers wideband impedance matching bandwidth by virtue of the linear impedance transition along its oblique side. The antenna is feasible to mount on the conductive walls which can be utilized as a ground to improve the matching bandwidth, antenna gain and radiation patterns. The antenna geometry is optimized using a 3D electromagnetic simulation tool and fabricated using a 3D printer. The measured results show that the antenna reflection coefficient lower than -10dB and radiation efficiency more than 70% at the frequency range of 0.65~7 GHz.
Keywords
Ultra-wideband antenna; Reverberation Chamber; Inverse Conical; Omni-Directional Antenna;
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