Radio frequency identification (RFID) is a rapidly growing technology that has the potential
to make great economic impacts on many industries. While RFID is a relatively old
technology, more recent advancements in chip manufacturing technology are making RFID
practical for new applications and settings, particularly consumer item level tagging. These
advancements have the potential to revolutionize supply-chain management, inventory
control, and logistics.
At its most basic, RFID systems consist of small transponders, or tags, attached to physical
objects. RFID tags may soon become the most pervasive microchip in history. When
wirelessly interrogated by RFID transceivers, or readers, tags respond with some identifying
information that may be associated with arbitrary data records. Thus, RFID systems are one
type of automatic identification system, similar to optical bar codes.
There are many kinds of RFID systems used in different applications and settings. These
systems have different power sources, operating frequencies, and functionalities. The
properties and regulatory restrictions of a particular RFID system will determine its
manufacturing costs, physical specifications, and performance. Some of the most familiar
RFID applications are item-level tagging with electronic product codes, proximity cards for
physical access control, and contact-less payment systems. Many more applications will
become economical in the coming years.
While RFID adoption yields many efficiency benefits, it still faces several hurdles. Besides
the typical implementation challenges faced in any information technology system and
economic barriers, there are major concerns over security and privacy in RFID systems.
Without proper protection, RFID systems could create new threats to both corporate
security and personal privacy.
In this section, we present a brief history of RFID and automatic identification systems. We
summarize several major applications of RFID in Section 2. In Section 3, we present a
primer on basic RFID principles and discuss the taxonomy of various RFID systems.
Section 4 addresses the technical, economic, security, and privacy challenges facing RFID
adoption. Finally, Section 5 briefly discusses emerging technologies relevant to RFID.
Radio frequency identification (RFID) is a rapidly growing technology that has the potentialto make great economic impacts on many industries. While RFID is a relatively oldtechnology, more recent advancements in chip manufacturing technology are making RFIDpractical for new applications and settings, particularly consumer item level tagging. Theseadvancements have the potential to revolutionize supply-chain management, inventorycontrol, and logistics.At its most basic, RFID systems consist of small transponders, or tags, attached to physicalobjects. RFID tags may soon become the most pervasive microchip in history. Whenwirelessly interrogated by RFID transceivers, or readers, tags respond with some identifyinginformation that may be associated with arbitrary data records. Thus, RFID systems are onetype of automatic identification system, similar to optical bar codes.There are many kinds of RFID systems used in different applications and settings. Thesesystems have different power sources, operating frequencies, and functionalities. Theproperties and regulatory restrictions of a particular RFID system will determine itsmanufacturing costs, physical specifications, and performance. Some of the most familiarRFID applications are item-level tagging with electronic product codes, proximity cards forphysical access control, and contact-less payment systems. Many more applications willbecome economical in the coming years.
While RFID adoption yields many efficiency benefits, it still faces several hurdles. Besides
the typical implementation challenges faced in any information technology system and
economic barriers, there are major concerns over security and privacy in RFID systems.
Without proper protection, RFID systems could create new threats to both corporate
security and personal privacy.
In this section, we present a brief history of RFID and automatic identification systems. We
summarize several major applications of RFID in Section 2. In Section 3, we present a
primer on basic RFID principles and discuss the taxonomy of various RFID systems.
Section 4 addresses the technical, economic, security, and privacy challenges facing RFID
adoption. Finally, Section 5 briefly discusses emerging technologies relevant to RFID.
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