The Radio Frequency Identification ( Rfid )

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

Radio frequency identification (RFID) can be loosely linked all the way back to WW2 as a method of tracking allied planes versus enemy fighters during aerial combat (Roberti, 2005). In the PBSC class MAN4504, this technology was worshiped as a way to ring up an entire cart of groceries with one simple hovering swipe over top of all the merchandise contained within the cart. However, control freak school officials have recently gotten the idea that the RFID system might be amply used as a way to keep track of students. But, the problem with this somewhat big-brotherish type of philosophy is that it can, indeed, be construed as an invasion of privacy. If one is at all familiar with the Constitution that our

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).

Passive RFID tags do not have an internal battery so they acquire power through the transmission of energy from radio frequencies that emit from a reader. Hence, in order to receive the power these tags have to be in the range of the reader and require very high signal strength. These can also recognize hundreds of tags at a time if they are in the range of 3-5 meters from the reader. These tags have an ability to read and write the data by storing up to 128kb of data (What is Auto-ID, 2013).

Patient identification with the use of wristbands containing identity, medical history, and insurance information have been implemented in the University College Hospital in Galway, Ireland. Other applications still pending are RFID use as sensors for temperature and chemical sensing to protect hospital blood supply, and use as alerts or triggers to protect patients dangerous or emergencies during surgeries.

“RFID (Radio Frequency Identification) can be defined as an automatic identification technology which uses radio-frequency electromagnetic fields to identify objects carrying tags when they come close to a reader.” [2]

There are two major hardware components that help RFID to work: Tag and Reader. The two devices have an asymmetric relationship in that the tag is simple and offers few facilities besides holding and transmitting the code, while the reader takes the leading role at the cost of higher complexity. RFID tags store information about the item they are attached to. Information generally pertains to identification information; supply-chain information such as attributes, source, destination, and route; and possibly other special parameters. In business model, RFID tags provide the capability for seamless and continuous two ways communication as an object moves through a supply chain. This means that any object bearing a tag can become networked without human intervention or manipulation by automated machines, as is the case with bar codes. Most of the time, the tag is placed on

The necessary communication between tags and readers occurs by the radio frequency communication. This communication gives the RFID powerful capabilities, but it also leaves the door open to several key threats like unauthorized access to tags and side channel attacks.

Based on Word Info, n, RFID means is a technology which automatically detects digital data that has been encoded in an RFID tag which is also known as "smart label". The RFID system is detected via radio waves. MHP Enterprise using the RFID system at the time of delivery of Masri products at supermarkets Giant in Kuala Selangor. The main purpose is the use of RFID systems to ensure products arrive at their destinations, such as the time of delivery at the supermarket. There are two types of RFID systems such as passive and active systems. Refers to passive systems, RFID will work when the RFID transmitting energy field to facilitate this tag operating system. Whereas, also active RFID system will work when the battery is inserted inside the tag to increase the distance to be detected by the RFID system. Typically, the passive system will collect data or information about the product through communication tools such as a wireless or wired. For data storage and provides the action, the bar code will be arrested and then be delivered to a computer

It's grouped under the category of automatic identification technologies. RFID is also called Dedicated Short Range Communication (DSRC). A RFID framework basically comprises of three parts: the RFID tag itself, the RFID reader device, and a backend IT framework. The RFID label ordinarily comprises of a silicon chip that can hold a certain amount of information, (for example, unique identification number), and an antenna wire that is used to communicate with the remote reader device. There are chipless RFID tags too, which misuse certain RF-reflecting properties of materials. In case of chipless RFID, the tags’s unique serial number is given by the material's properties, e.g. the design of RF filaments implanted in paper. The reader device communicates with the RFID tag by method for sending and accepting radio-frequency waves. The way this communication happens contrasts between passive and active RFID tags. Passive RFID tags does not have a power supply; the energy stored in the reader device's radio-frequency interrogation scan is enough to wake up the RFID tag and to enable it to send a response (that is, the RFID tag's data) to the reader device by means of reflection. Active tags contain a battery that permits them to react to the reader’s interrogation with a stronger signal, in this way increasing the distance from which the tag can be read. The backend IT framework is in charge of cross-referencing the RFID tag’s ID number with a database record that describes the object to which the tag is

The RFID technology consists of three key elements: RFID tags, RFID readers, and a back-end database server to identify information. The RFID tag stores its particular ID and some application data for RFID readers thus the tag contains electronically stored information which is used for access control system. The major advantage of using the RFID tag is that it allows convenience contactless access. However, the traditional RFID-based access control system identifies an individual only by means of his or her RFID card that is anyone who presents a registered RFID card will pass the authentication even he/she is not the genuine card holder or owner. Moreover, there are many RFID attacks which are:

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.).