Radio Frequency Identification ( Rfid )

In its basic form, a typical RFID system has two major components, a reader and tags, as shown in Figure 3.1. These tags are made from a tiny chip, also called an integrated circuit (IC), that is connected to an antenna that can be built into many different kinds of tags including apparel hang tags, labels, and security tags, as well as a wide variety of industrial asset tags. The tag chip contains the product's electronic product code (EPC) and other variable information so that it can be read and tracked by RFID readers anywhere(Impinj 2015).

The RFID system mainly includes three parts: reader, antenna, and RFID tag, as shown. Because of the uniqueness of the RFID tag, the reader can locate and

As RFID technology evolves and becomes less expensive, there will be an increase in the number of companies and vendors using the technology. Eventually, new applications will be developed and these systems may even be able to solve common or unique problems associated with business in today’s market.

The RFID technology consists of three kinds of tags i.e. active RFID tags, passive RFID tags, and battery

RFID has been around longer than the average American realizes. In World War II we start to see this new technology emerge in the form of a radar. A handful of nations used the radar to detect approaching planes from miles out. While this was handy, the problem with the radar

RFID tags can be read-only; some even have a factory-assigned serial number that it can be used as a key into a database, or read/write, object-specific data can be written on the tag by a system user. Programmable field tags may be written with an electronic product code by the user.

RFID was invented in Soviet Union in 1945 by inventor Leon Theremin. The main use for RFID during 1945, was to track audio information and sounds to identify if aircrafts was friend or foes of the Soviets in World War II. Once the World War was over, similar technology started to be developed such as IFF transponder, Automatic Identification and Data capture (AIDC), and Passive Reader Active Tag and much more. In modern times, RFID is used in many ways, for example in keep track of good in stores, collecting toll payments without contact, and keep track of bagging at the airport. Have you ever bought an item inside a store and wondering what happens when the cashier scans the barcode? This is RFID’s Active Reader Active Tag at work, it’s a system that use tags to transmit signals and reply once the information is received from the item scanned. In addition, Passive Reader Active Tag (PRAT) is often used in stores as well by overnight stockers and inventory staff. PRAT allows the user to scan barcodes to keep track of inventory in store, as well as order inventory. RFID has increased in applications outside of retail store chains many common ones such as badges need to access building doors, lock on newer vehicles car doors and commutation devices.

RFID consist of a tag made up of microchips or a reader with an antenna. The reader sends out some magnetic wave. The tag antenna then receives this waves. Then the RFID tag draws power from the field created by the reader and it use it to power the microchip’s circuit. The chip then modulates the waves back to the reader which converts the waves to a digital data. The cost of a RFID is not quoted because pricing is based on volume.

Radio Frequency Identification – RFID – is an established data-carrying technology used throughout industry. Data relating to an item is stored on a tag, which is attached to the item. The tag is activated by radio waves emitted from a reader. Once activated, the tag sends data stored in its memory relating to the item back to the reader. This data can then be shared between organizations and trading partners via the EPCglobal Network in a secure manner.

RFID, or radio frequency identification, is the new system that is replacing the use of barcodes. RFID tags allow users to more quickly obtain information from the object that the RFID tag

Active RFID tags contain an internal battery that acts as a continuous power source. These tags require very low signal strength that can access up to a range of 100 meters and it can recognize thousands of tags at a time. These tags have an ability to read and write the data by storing up to 128kb of data (What is Auto-ID, 2013).

When all is said in done, RFID (Radio Frequency Identification) is a strategy for perceiving a human or item using a radio frequency transmission. The technology can be used to perceive, track, sort or recognize a wide variety of articles. RFID (Radio Frequency Identification) can be portrayed as takes after Automatic ID technology which uses radio-frequency electromagnetic fields to recognize items

Radio Frequency Identification, commonly known as RFID, is a data collection technology that utilizes electronic tags to store data. The tag has many different names such as electronic label, transponder, or code plate. The RIFD chip is attached to an antenna transmitted in kilohertz, megahertz, and gigahertz range. These RIFD tags are similar to barcodes and are used to track items (RFID, n.d.).

The work of Niederman, Mathieu, Morley and Kwon (2007) entitled "Examining RFID Applications in Supply Chain Management" states that radio frequency identification (RFID) is a technology that has recently emerged in the news due to large organization's requirements that goods shipped by identifiable by RFID tags. The potential benefits of RFID tags include lowering of costs by improvement in inventory management, consumer information gathering, and checkout procedures. RFID tagging is such that data from a tag, which is attached to the product, a case, or pallet, may be "captured by a reader device. Functionally, this data can be used to identify all of the times passing the reader's location at a point in time." (Niederman, Mathieu, Morley, and Kwon, 2007) This enables the tracking of items "from supplier through the distribution network to the point of consumption." (Niederman, Mathieu, Morley, and Kwon, 2007)

Identification of an object, animal or a person with the use of Radio frequency is the simple way to define RFID. Technically speaking, it is the technology that incorporates the use of electromagnetic or electrostatic coupling in the radiofrequency portion of the electromagnetic spectrum for the unique identification of the subject.