Log-periodic dipole array antenna as chipless RFID tag

S. Gupta, Guijun Li, R. C. Roberts, Li Jun Jiang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

17 Citations (Scopus)


A passive chipless radio-frequency identification (RFID) tag based on a log-periodic (LP) dipole array is proposed, where the tailorable bandrejection property of the LP aperture is utilised to realise a large number of codes. The proposed tag principle is successfully validated by measurements, where the absence and presence of the band-rejection is shown to carry the bit information. Its fabrication simplicity is also demonstrated by its implementation on a flexible substrate. Finally, two different tag formation schemes, based on a specific set of resonance suppressions, are discussed in detail.

Original languageEnglish
Pages (from-to)339-341
Number of pages3
JournalElectronics Letters
Issue number5
Publication statusPublished - 27 Feb 2014
Externally publishedYes

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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