Design of Microstrip Patch Antenna Using Inset-Fed Layered for Metallic Object in u-Port

  • Chan-Hong Park
  • Jong-Dae Park
  • Byeong-Ho Park
  • Myung-Dong Kim
  • Yong-Seok Choi
  • Hyeon-Kyeong Seong
Chapter
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 235)

Abstract

In this paper, an industrial RFID layered microstrip patch antenna is designed using an inset feed method in order to improve recognition rates in a long distance as tags are attached to metal objects by improving a problem of feeding power in fabricating metal tags and reducing effects of metallic objects. The inset feed shows a distinctive characteristic that has no separation between emitters and feed lines differing from a structure with the conventional inductive coupling feed. This structure makes possible to produce a type that presents a low antenna height and enables impedance coupling for tag chips. Although it shows a difficulty in the impedance coupling due to increases in the parasite capacitance between a ground plane and an emitter in an antenna according to decreases in the height of a tag antenna, it may become a merit in designing the tag antenna because the antenna impedance can be determined as an inductive manner if a shorted structure is used for feeding power. Therefore, in this paper the microstrip patch antenna is designed as a modified type and applies the inset feed in order to reduce effects of metallic objects where the antenna is to be attached. Also, the antenna uses a multi-layer structure instead of using a single layer. That is, a metal plate is inserted to the contact between an emitter and a ground plane for preventing a decrease in its characteristics.

Keywords

RFID Microstrip patch antenna Metallic object Inset-fed PSO 

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • Chan-Hong Park
    • 1
  • Jong-Dae Park
    • 1
  • Byeong-Ho Park
    • 1
  • Myung-Dong Kim
    • 1
  • Yong-Seok Choi
    • 1
  • Hyeon-Kyeong Seong
    • 1
  1. 1.School of Computer, Information, and Communication EngineeringSangji UniversityWonju-siSouth Korea

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