Data Capacity : RFID Tags
by Syifa Aurellia Maryanto 2301932701
Automated identification is a mechanism used by radio frequency identification (RFID). Automated identification (Auto-ID) is a way of obtaining data without the need for human intervention. Auto-ID operates automatically so that it may reduce the number of mistakes made while inputting data, hence increasing efficiency. The information recorded in id tags may be identified, tracked, and saved utilizing radio waves with the use of radio frequency identification (RFID). An RFID tag, or transponder, is a device that may be used to automatically identify a person or object. Codes may be used to identify a certain item in the data being sent.
Radio-frequency identification (RFID) tags are made up of a chip and an antenna. RFID tags often have memory built into their electronic circuitry, allowing them to retain information. Cells make up the memory on the tag. Read Only data, such as a user’s ID number, may be found in certain cells. When an RFID tag is made, an ID number is assigned to it. The amount of data that can be stored on an RFID tag varies on the manufacturer, application, and tag type, but in general, a tag can hold no more than 2 kilobytes (KB) of data. There is just one serial number in the simple g. A simple label is more cost-effective to create and is better suited to situations where labels are thrown away with the product itself. Passive UHF tags with storage capacities of 4KB or 8KB have been developed to meet the needs of the aerospace sector, which wishes to keep track of the history of spare parts. Standard RFID can only retain 128 bits of data, however, RFID with a larger storage capacity can hold up to 256 bits of data. Unlike barcodes, which can only store a limited amount of data, RFID can hold more than 3×1038 data addresses and, unlike barcodes, it can be updated or reprogrammed in huge numbers for a particular object. Even if the kind of RFID tag is the same, each tag has its own individuality. Only one code is needed for each kind of barcode.
Tags may be read-only, read/write, or write-once-read-many, depending on the sort of memory they have.
Read-only tags have a limited amount of memory (often less than 64 bits) and cannot be modified. It is mostly product identifying data that is included in these tags. Libraries and movie rental companies often utilize tags with this sort of memory. This form of memory is often seen in passive tags.
Tags may be read and written, and data can be changed if necessary. As a result, it has a bigger storage capacity and costs more than a tag that merely reads. For example, at a factory, a tag like this is often used to keep track of the product’s life cycle and the data held in it.
When data is written once, it can only be accessed once. This sort of memory is known as “write once, read many.” The read-only security feature of this tag is enhanced by the read/write tag’s extra capability.
Using RFID in Inventory Management
Goods handling systems in manufacturing and distribution operations that are rapid and secure may benefit from an identifying system. RFID is a great solution for this since it doesn’t need physical or visual contact. Anticollision characteristics allow many things to be examined at once. Environmental and speed considerations play a significant part in this application.
Applications of Radio Frequency Identification (RFID) in Transportation
Use of RFID in the transportation industry, where quick identifying systems are needed, provides both convenience and time efficiency. The use of RFID tags to identify baggage and the replacement of tickets to avoid long lines are two examples.
RFID Applications in the Field of Access Control
A few examples of this kind of application are security systems in automobiles and other places where high-level security is required. The Digital Signature Transponder, a second-generation RFID tag, may meet this requirement. RFID technology is always being improved so that it can handle more anticollision difficulties, run at low power, and be more efficient.
Reference:
http://eprints.polsri.ac.id/3326/3/BAB%20II.pdf
http://repository.unand.ac.id/18908/1/jurnal%20febri%20zahro%20aska.pdf
https://journal.untar.ac.id/index.php/tesla/article/download/359/300