Review on UHF RFID Tag Antenna
This paper presents a comprehensive review of ultra-high frequency (UHF) radio frequency identification (RFID) tag antennas. Due to multiple benefits, RFID technology has supplanted conventional methods of identification like barcodes, magnetic stripe cards, and smart cards. The size of the antenna plays a crucial role in determining the overall dimensions of the RFID tag, making antennas typically low profile and compact. It is acknowledged as an innovative approach for tracking because of its affordable price, passive wireless power transfer capabilities, versatility, and non-line-of-sight communication. UHF RFID tag antennas find widespread use in various applications such as supply chain management, asset tracking, and vehicle identification. The UHF antennas are favoured because they enable simultaneous detection of more tags, provide greater read ranges and faster reading rates, and necessitate fewer antennas than low frequency and high frequency antennas. Establishing the application requirements, choosing the ideal antenna design and substrate material, developing, and optimizing the antenna, manufacturing the antenna, and connecting the antenna to the RFID tag are all essential processes in implementing an UHF RFID tag antenna. This paper will cover the overview UHF RFID tag antenna, few applications, and its limitations.
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