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Gain enhancement for wideband end-fire antenna design with artificial material
Min Wei1, Yuanhua Sun2, Xi Wu1
1The College of Computer Science, Chengdu University of Information Technology, Xuefu Road, Chengdu, 610225 China.
Abstract:
Gain enhancement wideband end-fire antenna is proposed in this paper. The proposed antenna can achieve gain enhancement by loading novel artificial materials structures (Split-ring Resonators) in the end-fire direction while broad bandwidth is realized by using elliptic dipole elements and a microstrip to coplanar balun. The measurements show that the proposed antenna have around 5-8 dB gain in the working band (5-11 GHz), which is around 2 dB more than the unloaded one. This antenna can be used in target recognition systems for its advantages of end-fire radiation broad bandwidth and high gain.
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