According to Chapter 3, Radio Frequency Identification (RFID) is a form of technology that uses electromagnetic fields which identifies and tracks tags. Ultra-High Frequency systems (UHF) offer a much-extended range compared to other running frequency systems. The four main parts of UHF RFID systems are; RFID Reader, Cable, Antenna and RFID Tag which is the most crucial component of the system. The RFID Tag differs and varies. The three important component variations are; IC (Integrated Circuit) Type, Antenna and Encasement.
The Integrated Circuit functions as the head of the RFID Tag while at the same time it saves distinctive data on the tag. RFID Tags differ in cost because of factors such as the size of memory storage.
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The antenna determines the UHF RFID tag read scope. Small sized RFID tags have a shorter read scope because they have small antennas while large-sized RFID tags have a long-read scope due to the presence of large antennas. An RFID systems task execution can be affected by water and metal which absorbs and reflects Radio Frequency energy respectively. Metal RFID tags that have specific backing utilize reflected energy while increasing the read scope. RFID tags with double dipoles are readable from more environments while tags with one dipole are constrained to a controlled environment.
Encasement involves the physical appearance of a tag which varies in size and shape. The RFID inlay, which only has the IC and antenna and can be positioned in an encasement, makes it possible for the RF to work. The main contrast between an RFID inlay and an RFID label is the presence of a label in an RFID inlay which could still work individually in the absence of RFID. The event functions as a protective barrier from extreme temperature, collision, metal surroundings or water.
According to the video, the RFID reader is attached via a cable to the antenna which relays information with the tag hence making it possible for frequencies to be transferred. Integrated Circuit (IC), antenna and encasement are three main components of UHF RFID tags. The IC stores data and varies in memory capacity. The antenna determines the range capability of the UHF RFID tag. A longer antenna has a more extensive range while a shorter antenna has a smaller range. However, the antenna can be affected by metal and water. Encasement varies and differs due to factors such as the RFID inlay, RFID label and the RFID hard tag which is the casing that protects the UHF RFID components from temperature, metals, water, and physical impact.
The UHF RFID system has been applied in the warehousing industry for data collection and other errands such as transfer, delivery, and storage. This is because of the speed and accuracy the system guarantees.
Passive RFID systems may be used in the future for data security through traceability. Coupled with the latest cloud-based capabilities, RFID systems may be used to secure data (El Madhoun & Guenane, 2014, p. xx). This method will be less costly and will provide instant authentication.
References
Alyahya, S., Wang, Q., & Bennett, N. (2016). Application and integration of an RFID-enabled warehousing management system – a feasibility study. Journal of Industrial Information Integration , 4 , 15-25.
El Madhoun, N., & Guenane, F. A. (2014, December). An innovative cloud-based RFID traceability architecture and service. In Network of the Future (NOF), 2014 International Conference and Workshop on the (pp. 1-5). IEEE.
