A novel L-shaped RFID tag antenna

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A novel RFID Tag Antenna is designed and its performance is verified with both simulated and experimental results. One of the limitations of the conventional RFID system is its orientation, which poses a technical challenge to its performance. We propose a dual-planar L-shaped RFID microstrip patch antenna, which is formed by folding a flat uniplanar rectangular microstrip patch with a 90° bend. The proposed design is tested and is seen to remove the orientation sensitivity of the RFID tag antenna, giving a 3-dB beamwidth of 150 deg. The proposed design is chosen so that the antenna may be placed along any of the vertical edges of a pallet/box and there is no radiation back into the pallet/box on which it is fixed.

Original languageEnglish
Title of host publicationEuropean Microwave Week 2007 Conference Proceedings, EUMIC 2007 - 10th European Conference on Wireless Technology, ECWT 2007
Number of pages4
Publication statusPublished - 1 Dec 2007


  • 3-dB beamwidth
  • Dual-planar
  • L-shaped
  • Radio frequency identification
  • Rectangular patch antenna
  • RFID tag antenna
  • Tag antenna
  • Uniplanar

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