首页|Miniaturized,Shared Electric and Magnetic Dipole,Pattern Diversity IoT Antenna for Sub-6 GHz Applications
Miniaturized,Shared Electric and Magnetic Dipole,Pattern Diversity IoT Antenna for Sub-6 GHz Applications
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By using a novel meta-resonator structure,a miniaturized,surface mountable,shared aperture,and hybrid electric/magnetic dipole pattern diversity antenna is proposed for Internet of things(IoT)applications.By exploring the shared electric(E-dipole)and magnetic dipole(M-dipole)structures,a novel T-shaped split-ring res-onator(SRR)with even and odd modes is presented and studied by current distributions and equivalent circuits.Broadside and omnidirectional(monopole-like)patterns are achieved by exciting the M-dipole and E-dipole modes of the T-shaped SRR,respectively.To validate the proposed design,this shared aperture metamaterial-inspired pattern diversity antenna with a small size of 0.295λ0× 0.0065λ0× 0.115λ0 is fabricated and measured.The measured over-lapped-10 dB bandwidth is from 3.40 GHz to 3.63 GHz(7.0％,covering the LTE B42 band)and the port isolation is greater than 23 dB.Both two modes achieve a good radiation efficiency better than-0.79 dB(＞83.0％).
Electric/magnetic dipolesInternet of things(IoT)Metamaterial-based/inspired antenna
Zhan WANG、Yuandan DONG
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University of Electronic Science and Technology of China,Chengdu 611731,China
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