1. BY:-
ANJANI KUMARI
B.TECH , ECE
R.K.G.I.T.

2. •Definition ofDefinition of RFIDRFID
• System DescriptionSystem Description
•OperationOperation
•ApplicationsApplications
•BenefitsBenefits
•Limitations/IssuesLimitations/Issues
•ConclusionConclusion
Topics CoveredTopics Covered

3. Radio Frequency IdentificationRadio Frequency Identification (RFID)(RFID)
Technology used to track and identify a personTechnology used to track and identify a person
oror
object by means ofobject by means of radio transmissionradio transmission
Type of data transmitted can vary -Type of data transmitted can vary -
information on object, its location, deliveryinformation on object, its location, delivery
times, weight, destination, etc.times, weight, destination, etc.
Significantly simplify and make robust, theSignificantly simplify and make robust, the
DefinitionDefinition

4. Two main components to
a basic RFID system:
RFID Tag (transponder)
RFID Reader
(Interrogator)
System DescriptionSystem Description

5. RFID Tag (Transponder)
–Consists of a microchip and an antenna
–Attached to an object to be tracked (vary in
size)
–Stores information about the object (ID number,
kilobytes, dynamic info maintained)
–Read only or read/write
–Contact-less, Non-line of sight
–Read Range: few inches to hundreds of ft.
System DescriptionSystem Description

6. Two classes of RFID Tags, Passive and Active,
based on the means in which they receive power:
Passive
-Power source is provided by the RFID Reader’s generated field
-Smaller size tags, must be within close range of reader (~ 2m)
Active
-Have an internal power source
-Larger, more expensive, shorter life
-Longer reading ranges, more memory
System DescriptionSystem Description

7. RFID Reader (Interrogator)
– Retrieves information from the RFID Tag
– Detects/Activates tag, reads and writes data to tag
 May consist of a signal processor, operating system,
antenna, virtual memory, and transmitter/receiver unit
–Active or Passive
System DescriptionSystem Description

8. RFID System Components

9. Current Applications
Transportation: Toll collection, cargo
management, equipment ID, auto-payment etc.
Security: Employee ID tags for office, hotels;
nursing homes & hospitals; car keys; video stores and
libraries; casino chips/keys; etc.
Manufacturing: Tracking goods through
manufacturing process- Automobile, Computer
Hardware, etc.
ApplicationsApplications

10. Newer and Future Applications
Airport Security/Baggage: Track and
identify passengers and airline luggage
Medical: Restricting access; tracking patients and
guests with authorized wristbands; tracking babies (to
reduce risk of abduction); tracking of medicine and
equipment;
Postal Services: Tracking of mail/packages
ApplicationsApplications

11. BenefitsBenefits
An RFID system is the noncontact, non-line-
of-sight nature of the technology.
It enhance Efficiency ,traceability of
production.
Hundred of tags can be readed in seconds.
They can be combined with sensors.
It not only saves time but also provides real
time information & data access to anybody.

12. The major disadvantage of RFID technology
is its high cost .
Any body can access information about
anything.
It is possible to compromise an RFID system
by wrapping the protected material in two to
three layers of ordinary household foil to block
the radio signal.
Limitations/IssuesLimitations/Issues

13. CONCLUSIONCONCLUSION
It is an anotherIt is an another TECH REVOLUTIONTECH REVOLUTION
whichwhich
will change our lives completelywill change our lives completely ..
And it will be usedAnd it will be used 2424hourshoursXX77daysdays ,,likelike
emailsemails..

14. References
www.new technology.com
www.engineering.com
www.rfidjournal.com
www.frontlinetoday.com

15. Thank YouThank You