RADIO FREQUENCY IDENTIFICATION

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RADIO FREQUENCY IDENTIFICATION
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INPUT DEVICES
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AMAZON.COM
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OTHER COMPANIES
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RFID

• PASSIVE RFID
• NO POWER SOURCE
• SEMI-PASSIVE (SEMI-ACTIVE) RFID
• PARTIAL POWER SOURCE
• ACTIVE ID
• INTERNAL POWER SOURCE

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• POWER SOURCE FOR TWO PURPOSES
• TO ACTIVATE CMOS CHIP
• TO SEND SIGNAL

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• PASSIVE
• EXTERNAL POWER FOR BOTH
• SEMI-PASSIVE
• INTERNAL POWER FOR CHIP
• EXTERNAL FOR SENDING SIGNALS
• ACTIVE
• INTERNAL POWER FOR BOTH

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COST

• 0.24 IN SMALL QUANTITIES
• 0.072 IN QUANITITIES OF MILLIONS
• CAN TRACK MOVING OBJECTS

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SYSTEM

• TAGS
• READERS
• SERVERS
• MIDDLEWARE
• APPLICATION SOFTWARE

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• TRANSCEIVER SENDS SIGNAL
• RFID RESPONDS
• READER PICKS UP AND DECODES SIGNAL
• COMPUTER PROCESSES SIGNAL
• ALL KINDS OF INFORMATION CAN BE STORED (BUT
  LIMITED AMOUNT)

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USAGE

• DIFFERENT KINDS OF SIGNALS
• LOW FREQUENCY
• ANIMAL IDENTIFICATION
• HIGH FREQUENCY
• BOOKS, AIRLINE BAGS
• UHF (ULTRA HIGH FREQ)
• PALLETS, CONTAINERS
• MICROWAVE
• LONG RANGE ACCESS

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APPLICATIONS

• E-Z PASS
• SEISMIC SENSORS
• RFID EMBEDDED TIRES
• SMART MONEY?
• SMART KEY
• STARTS CAR AUTOMATICALLY
• PRISONER TRACKING

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RFID MANDATES

• DOD
• WALMART
• 80 SUCCESS RATES
• UNIQUE CODES FOR INDIVIDUAL ITEMS VS. BARCODES
  FOR GENERIC GROUPS

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USES

• EXPIRATION OF FOODS IN REFRIGERATOR
• HUMAN IMPLANTS
• TRAFFIC TRACKING

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PROBLEMS

• NO GLOBAL STANDARDS
• LOCAL LICENSING
• FRANCE WILL NOT ALLOWS CERTAIN FREQUENCIES
  BECAUSE IT INTERFERES WITH THE MILITARY BAND
• DISRUPTS RECYCLING?
• MUST BE REMOVED FROM BOXES

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MORE PROBLEMS

• IF READ, CAN CREATE BASED ON READING
• SOLUTION READING CHANGES AFTER IT IS READ
• ENCRYPTED INFORMATION?
• TAGS CONTINUE TO BE ACTIVE

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SHIELDS

• FARADAY SHIELDS (ALUMINIUM FOIL).

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• HOW WOULD YOU LIKE IT IF 0NE DAY YOU REALIZED
  YOUR UNDERWEAR WAS REPORTING ON YOUR WHEREABOUTS?