NDLI: Multi-objective optimization for UWB antennas in impedance matching, gain, and fidelity factor

Content Provider	IEEE Xplore Digital Library
Author	Yi-Hsiang Chiu Yen-Sheng Chen
Copyright Year	2015
Description	Author affiliation: Dept. of Electron. Eng., Nat. Taipei Univ. of Technol., Taipei, Taiwan (Yi-Hsiang Chiu; Yen-Sheng Chen)
Abstract	A multi-objective optimizer is implemented to simultaneously cope with all the design requirements of ultra-wide band (UWB) antennas. The proposed method is based on the pixelated technique, which automatically achieves the design goals by means of Strength Pareto Evolutionary Algorithm 2 (SPEA2). In addition, a novel pixilated layout which exploits the current distribution more efficiently is proposed in this work. Our optimizer deals with the three performance criteria of UWB antennas: good impedance matching from 3.1 GHz to 10.6 GHz, constant gains in the broadside direction throughout the interested band, and little distortion between the time-domain transmitting and receiving signals. The capability of the proposed design technique is demonstrated by a compact UWB planar monopole design, and the optimized results show that the design goals are automatically achieved; therefore, the multi-objective optimization of UWB antennas can be accomplished in a more systematic way.
Sponsorship	IEEE
Starting Page	1940
Ending Page	1941
File Size	241907
Page Count	2
File Format	PDF
e-ISBN	9781479978151
DOI	10.1109/APS.2015.7305359
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-19
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ultra wideband antennas Gain Bandwidth Time-domain analysis Impedance matching Optimization
Content Type	Text
Resource Type	Article

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