Transcript Where in the world is my PSP?

Where in the world is my PSP?
RFID Triangulation
Stuart Lenz
North Star High School
Example:
You just bought a PSP on Ebay. It is
being shipped using USPS. You are
given a code so that you can go online
and check the status of your shipment.
How does USPS track your PSP?
Definition of RFID
RFID: Radio Frequency Identification
is based on wireless communication over
the air that reads or writes information
from a Tag.
Components:
1) Tag
2) Reader
3) Air Interface
How RFID works
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RFID in a Nutshell
“How did I get in the crazy nutshell?”
- Austin Powers
Uses of RFID
Credit Cards
Bar Codes
Cattle Tracking
Toll Booths
Military
Automobiles
Keyless Entry
How does USPS track your PSP?
Triangulation:
A process by which the
location of a transmitter can be
determined by measuring
either the radial distance, or
the direction, of the received
signal from two or three
different points.
•GPS
•Cell Phones