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Author: search.filters.author.Phatarachaisakul, Teerapol

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    Dual-band RFID tag antenna with EBG for glass objects
    (2016-01-06)
    Phatarachaisakul, Teerapol
    ;
    Pumpoung, Tajchai
    ;
    Phongcharoenpanich, Chuwong
    The dual-band tag antenna designed for glass objects of HF-RFID (13.56 MHz) and UHF-RFID (920-925 MHz) applications along national standard of Thailand is proposed. The tag antenna has the same size with a credit card. The overall dimension of the tag antenna with EBG is 147 mm × 73.5 mm × 8.3 mm. The purpose of this antenna design is to implement with the RFID for the highway tracking and tolls systems. The tag antenna and EBG are designed on FR-4 substrate with thickness of 0.3 mm and 3 mm, respectively. To achieve the dual band operation, the designed tag antenna with EBG structure is based on the loop (spiral coil), the meander-line structure with double T-matching and mushroom-like EBG structure for HF-, UHF-RFID and EBG, respectively.
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    Printed antenna for HF- and UHF-RFID tag
    (2015-01-28)
    Phatarachaisakul, Teerapol
    ;
    Pumpoung, Tajchai
    ;
    Wongsiritorn, Pitchanun
    ;
    Pansonboon, Russamitut
    ;
    Phongcharoenpanich, Chuwong
    The dual-band tag antenna designed for HF-RFID (13.56MHz) and UHF-RFID (920-925 MHz) applications along Thailand standard is proposed. The overall dimension of the tag antenna has the size of a credit card in order to implement the RFID for the highway tracking and tolls systems. The tag antenna is designed on FR-4 substrate with 0.3 mm thickness. To achieve the dual band operation, the designed tag antenna structure is based on the loop (spiral coil) and the meander-line structure with T-matching technique for HF-RFID and UHF-RFID technologies, respectively.
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    Tag antenna using printed dipole with H-slot for UHF RFID applications
    (2014-10-15)
    Phatarachaisakul, Teerapol
    ;
    Pumpoung, Tajchai
    ;
    Phongcharoenpanich, Chuwong
    ;
    Kosulvit, Sompol
    This paper proposes the tag antenna designed to operate along the frequency band of 902-928 MHz corresponding to UHF RFID in Thailand and FCC standards. The tag antenna was fabricated from the thin FR4 substrate with the dielectric constant of 4.3 and the thickness of 1.5 mm. The radiation pattern of the tag antenna is omni-directional beam. The tag antenna is designed by using H-slot matching technique for impedance matching between the antenna and IC chip with the impedance of 16.01-j150.02 at the frequency of 915 MHz that is the center frequency of FCC standard. The structure of the tag antenna is durable and suitable for applying with pallet applications.