Universiti Teknologi Malaysia Institutional Repository

A multi band mini printed omni directional antenna with v-shaped for RFID applications

Evizal, Evizal and A. R., Tharek and S. K., A. Rahim and M. F., Jamlos (2011) A multi band mini printed omni directional antenna with v-shaped for RFID applications. Progress In Electromagnetics Research B (27). pp. 385-399. ISSN 1937-6472

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Official URL: http://dx.doi.org/10.2528/PIERB10112505


This paper presents a mini multi-band printed omni-directional antenna with v-shaped structure for radio frequency identification (RFID) applications. The proposed multi-band antenna is developed from the initial v-shaped design which is only capable of working as a single-band antenna. By deploying a concept of dipole antenna to an initial design, the proposed antenna is accomplished to operate with two different modes of RFID system which are passive and active modes at frequencies of 915MHz and 2.45 GHz respectively. The passive RFID tag is invented when a chip of Ultra High Frequency (UHF) is integrated with a proposed multi-band antenna. This passive tag, which is able to radiate with the measured signal strength, shows that the reading ranges are boosted almost two times compared to the conventional inlay antenna. The maximum reading range of passive RFID tag with inlay antenna is 5 m, though a reading range up to 10m is achievable through the deployment of the proposed antenna at a measurement field. Implicitly, the measurements carried out on the antenna are in good agreement with the simulated values. Moreover, the size of the mobile passive RFID tag has been substantially as 100mm × 70 mm, even though the antenna is fabricated with an inexpensive FR-4 substrate material. With the reasonable gain, coupled with cheaper material and smaller size, the proposed antenna has attractive potentials for use in RFID applications with multiple frequency antenna for active and passive tags.

Item Type:Article
Uncontrolled Keywords:active mode, different modes, FR4 substrates, initial design, measured signals, measurement field, multiband, multiband antennas, multiple frequency, omni-directional antenna, passive RFID, passive tags, reading range, RFID applications, RFID systems, ultra-high frequency, V-shaped structure
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Electrical Engineering
ID Code:28585
Deposited By: Mrs Liza Porijo
Deposited On:25 Oct 2012 06:43
Last Modified:13 Feb 2017 02:33

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