Radio Frequency Identification ( Rfid ) Essay

An RFID reader is a network connected device (fixed or mobile) with an antenna that sends power as well as commands to the tags. The RFID reader acts like an access point for RFID tagged items so that the tags' data can be made available to business applications.

track the target once it is attached on an RFID tag. Passive tags are used to attach on the target object because they are much cheaper, long lived, lightweight and have a smaller foot print. The reader can communicated with host computer through RS232.

Regardless of the frequency, method of communication, or the power supply, the goal of any RFID system is to enable specific data to be transmitted between a portable device and the tag, and then be processed and used accordingly. RFID systems are used for objects which get lost, stolen often, underutilized, or difficult to locate in a timely manner.

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

First of all, what are RFID chips, and what are they capable of? In more detail RFID stands for Radio Frequency IDentification, a technology that uses tiny computer chips smaller than a grain of sand to track items at

RFID is a large industry, with applications in identification, payment, access control, and more. In 2014 the world market for RFID was estimated to be US$8.89 billion, in 2026, it is predicted to reach US$18.68 billion (Das, 2017). However, as more uses become apparent and the technology continues to develop it is possible that the industry will grow at an even greater rate than projected. RFID has become more prevalent in modern society due to RFID tags becoming more economically viable; in 2003, a passive tag was estimated to cost $1, while in 2013, it was only $0.10, thus more widespread implementation of RFID is possible, as it becomes less expensive. (Thau, 2017).

RFID is simply a wireless technology used to store information on an integrated circuit which is commonly referred to as a tag. The IoT suggest that we could potential see billions, if not trillions of these device all cross communicating with one another. These inexpensive tags can be placed on objects devices and even people

Radio Frequency Identification (RFID) technology has a long-standing history despite its more recent application in society and infrastructure. The understanding of electromagnetic energy in the early 1800s followed by the discovery that light and radio waves are a form of electromagnetic energy by Michael Faraday in 1846 began the process to RFID technology. The advances led to German physicist Heinrich Rudolf Hertz being the first to transmit and receive radio waves in 1887. (Landt, History of RFID, p. 7).

Radio frequency identification (RFID) technology is used to electronically identify, track, and store information on a tag. Its main components are a tag, reader, and a database. It is used by all levels of government in various well-known areas, such as logistics support for the military and highway tolls. The purpose of this paper is to analyze the use of this technology by the United States Federal government and some of its major agencies, including the Department of Homeland Security, the Department of Defense, the Department of State, and Social Security Administration. There are more institutions within the Federal government that already use or are strongly considering implementing RFID technology, but have not yet done so for a number of reasons, such as lack of funding, privacy or security concerns. The main benefits and threats of this technology will be discussed for the institutions listed.

A passive RFID tag, more commonly used, is one that is not connected to a power source. These tags rely on the electromagnetic field that is generated by specific RFID tag readers to create enough electrical charge to transmit the stored data in radio waves (Venkateswara, 2011).

RFID is the wireless non-contact use of radio-frequency electromagnetic fields to transfer data. The purposes of automatically identifying and tracking tags attached to objects. Since RFID tags can be attached to clothing, possessions, or

In 1960s, RFID began to advance which led companies to use the technology for anti-theft purposes. Electronic article surveillance tags uses radio waves to find out whether a customer had paid for the item. When someone tries to walk out with an item that wasn’t paid for, it gets detected by the reader at the door resulting an alarm. In 1973, the first US patent was issued for an active RFID tag. A RFID tag is saved with a unique numbers which gets broadcasted by a card with the transponder. Therefore, the door would unlock when the reader detects the unique number from the RFID tag. This technology was licensed to different companies, mainly door lock makers. The US government started using RFID to track nuclear materials in the 1970s. The department of Agriculture expands the passive RFID technology to mark cows. The cows were fed with various kinds of medicines and hormones and it is so hard to track how many doses each cow received. A passive RFID solved the problem of cows not getting overdosed through the use UHF radio waves. After, smaller transponders were created that could be injected under a cow’s skin. They still use this technology in cows now days. These low frequency transponder is also used in readers for building access. Later, the commercializing of high frequency enabled companies to have faster data transfer and more range. “Today, 13.56 MHz RFID systems are used for access control, payment systems (Mobile Speedpass) and

Active tags require the most power because they can initiate communication to other tags or a reader device. They have a greater range of operation and have been applied to asset control and tracking livestock because of the greater range active tags allow (Weis, 2007, p. 10). Therefore, active tags require more maintenance, but they can broaden the scope in how RFID systems can be used. Some active tags can be equipped with an acceleration sensor that can determine when the tag begins accelerating and then transmit a signal to the reader. One example that this can be useful for is in shipping container transportation. Shipping containers can be lost at sea after falling off a ship and traditional RF technology may not be able to detect it in time. However, active tag RFID systems with an acceleration sensor can notify the system when the container begins falling, making it possible to recover (Weis, 2007, p. 10). Figure 3, below, shows the different characteristics of active and passive tags.

A Passive Reader Active Tag (PRAT) system has a passive reader which only receives radio signals from active tags (battery operated, transmit only).

Radio-frequency identification (RFID) is the remote utilization of electromagnetic fields to exchange information, for the reasons of consequently distinguishing and following labels joined to questions. The labels contain electronically put away data. A few labels are fueled by electromagnetic impelling from attractive fields created close to the peruse. A few sorts gather vitality from the examining radio waves and go about as a detached transponder. Different sorts have a nearby power source, for example, a battery and may work at several meters from the peruse. Not at all like a scanner tag, the tag does not so much need to be inside viewable pathway of the peruse, and may be