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Design of loop antenna for near-field and far-field UHF RFID applications

By Ms. Krupali Patil and Prof. Mahesh Kadam

Abstract

Radio-frequency-identification (RFID) technology has received a lot of attention in warehouse, supply chain,\ud industry, and commerce. As RFID deployment moves from pallet level to item level, it is necessary to identify\ud and track objects by RFID tags at anytime and anywhere. Then, mobile RFID device has advantages in terms of\ud cost, portability and wireless communication. By folded-dipole loop structure with parasitic element, a small\ud antenna size can be achieved. The antenna with different parasitic element size can work on different UHF\ud RFID bands. A novel type of radio frequency identification (RFID) reader antenna is proposed for mobile ultrahigh\ud frequency (UHF) RFID device. Effects of geometrical length, effect of width of strip, effect of ground\ud plane length on of the frequency verses S parameters and gain of antenna are analyzed.\u

Topics: Engineering (General). Civil engineering (General), TA1-2040, Technology, T
Publisher: International Journal of Engineering Research and Applications
Year: 2016
OAI identifier: oai:doaj.org/article:bf191a5adcf344ad9470efaa0b0fdda9
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