Pakasiri, Chatrpol
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Preferred name
Pakasiri, Chatrpol
Alternative Name
Pakasiri, Charpol
Main Affiliation
Email
chatrpol.pa@kmitl.ac.th
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Item type:Publication, Study performance of near-field HF antenna using undercover ferrite sheet(2017-10-19); A planar loop antennas with and without undercover ferrite are studied in this paper. The field simulated results show that the antenna with undercover ferrite provides more magnetic flux density at the same distance away from it. Using a receiving loop antenna in the simulation, the power gain of both transmitting antennas is compared. By using proper matching networks, the planar loop antenna with undercover ferrite provides a better power gain than that of the planar loop antenna. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Improvement of HF RFID reader performance under metallic environment using ferrite sheet(2017-12-19); ; Conventional loop antennas for RFID reader usually perform worse with metallic environment. To improve reading range under this condition, a ferrite sheet is incorporated in the conventional loop antenna. The proposed antenna yields similar reading range with or without metallic environment.