Design analysis of a dual frequency RFID reader antenna

Ahmed Toaha Mobashsher, Mohammad Tariqul Islam, Norbahiah Misran

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

In this paper, the analysis of design, fabrication and measurement of a high gain dual frequency RFID reader antenna, proposed for ISM bands of 2.45GHz and 5.8GHz, is discussed with overall explanations. The antenna is composed of a U-shaped copper strip with unequal arm, a printed rectangular ring and the ground plane. The antenna operates over 2.37GHz to 2.49GHz, of 120MHz for the lower band; while the upper band exhibits good impedance bandwidth of 420MHz (from 5.55GHz to 5.97GHz), where return loss of -10dB is taken as the reference for both bands. The U-shaped feeding strip excites the rectangular ring effectively by providing a good impedance matching with over 98% of efficiency in both the frequency bands and also 9.56 and 10.17dBi gain in the lower and higher frequency band, respectively. Furthermore, the analytical parametric study facilitates more elaboration of the design and optimization processes for the antenna researchers.

Original languageEnglish
Pages (from-to)1838-1847
Number of pages10
JournalInternational Review of Electrical Engineering
Volume5
Issue number4
Publication statusPublished - Jul 2010

Fingerprint

Radio frequency identification (RFID)
Antennas
Frequency bands
Antenna grounds
Copper
Bandwidth
Fabrication

Keywords

  • Dual frequency
  • Microstrip antenna
  • RFID reader

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Design analysis of a dual frequency RFID reader antenna. / Mobashsher, Ahmed Toaha; Islam, Mohammad Tariqul; Misran, Norbahiah.

In: International Review of Electrical Engineering, Vol. 5, No. 4, 07.2010, p. 1838-1847.

Research output: Contribution to journalArticle

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