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Evolutional Design of Small Antennas for Passive UHF-Band RFID

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Title: Evolutional Design of Small Antennas for Passive UHF-Band RFID
Authors: Makimura, Hidetoshi Browse this author
Watanabe, Yuta Browse this author
Watanabe, Kota Browse this author →KAKEN DB
Igarashi, Hajime Browse this author →KAKEN DB
Keywords: Evolutional design
Genetic algorithms
Moment methods
Wire antennas
Issue Date: May-2011
Publisher: IEEE : Institute of Electrical and Electronics Engineers
Journal Title: IEEE Transactions on Magnetics
Volume: 47
Issue: 5
Start Page: 1510
End Page: 1513
Publisher DOI: 10.1109/TMAG.2010.2089607
Abstract: This paper presents evolutional design of antennas for passive IC tags used at UHF-band. The shape of wire antennas is optimized using the genetic algorithm (GA) aiming at maximization of feeding power to the IC tag to lengthen the communication distance as well as minimization of the antenna size. The characteristics of the antennas printed on a dielectric substrate are evaluated using the moment method in the optimization processes. Genotypes for GA are introduced to express the shapes of lattice antennas which include loops and floating lines, and spiral antennas. It is shown that optimized antennas satisfy the required condition, and have smaller sizes in comparison with conventional meander antennas.
Rights: © 2011 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Type: article (author version)
Appears in Collections:情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 五十嵐 一

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