The Circularly Polarized Corner-Truncated Rectangular Patch Antenna with Double Slits for UHF RFID System

Authors

  • Tajchai Pumpoung Department of Telecommunications Engineering, Faculty of Engineering and Architecture, Rajamangala University of Technology Isan, RMUTI, Nakhon Ratchasima, Thailand.
  • Kanawat Nuangwongsa Department of Telecommunications Engineering, Faculty of Engineering, Rajamangala University of Technology Isan Khonkaen Campus, Khonkaen, Thailand.
  • Pitchanun Wongsiritorn Department of Telecommunications Engineering, Faculty of Engineering, Rajamangala University of Technology Rattanakosin, Nakhon Pathom, Thailand
  • Peera Phomngulaum Department of Telecommunications Engineering, Faculty of Engineering and Architecture, Rajamangala University of Technology Isan, RMUTI, Nakhon Ratchasima, Thailand.

Keywords:

Circular Polarised Patch Antenna, Truncated Corners Antenna, Slit Antenna, UHF RFID System,

Abstract

This paper presents a circularly polarised rectangular patch antenna for ultra-high-frequency (UHF) radio frequency identification (RFID) applications using for Thailand standard. The antenna consists of a corner-truncated patch with double slits and a ground plane. The rectangular patch is fed by a single probe. The circular polarisation can be achieved by using three techniques such as adding double slits, using square shape and using a slanted cutting corner. The antenna has a compact size and appropriate for RFID system of Thailand standard. The measurement results show that |S11| (dB) is less than -10 dB. The antenna gain is 8.83 dBic with the unidirectional radiation pattern. The 3-dB axial ratio beamwidth is 65º over the frequency band of 914.4 - 929.9 MHz covering the UHF RFID applications for Thailand standard.

References

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Published

2018-08-28

How to Cite

Pumpoung, T., Nuangwongsa, K., Wongsiritorn, P., & Phomngulaum, P. (2018). The Circularly Polarized Corner-Truncated Rectangular Patch Antenna with Double Slits for UHF RFID System. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), 10(3), 103–108. Retrieved from https://jtec.utem.edu.my/jtec/article/view/3297

Issue

Vol. 10 No. 3: July - September 2018

Section

Articles

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