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Everybody talks about RFID, but how mature is this technology? RFID

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Everybody talks about RFID, but how mature is this technology?

RFID

Page 2: R F I D En

Copyright © 2009 Aton S.p.A. All Rights Reserved

7824661

Scenario

RFID, as all technological solutions, has got its own life cycle

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Copyright © 2009 Aton S.p.A. All Rights Reserved

Life cycle of a technology

Initial enthusiasm

Disillusionment

Adoption

“Anything is possible!”

“Nothing is working!”

“That’s the perfect solution for…”

Scenario

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At which RFID technology life stageare we today ?

Scenario

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Today we are here!

Initial enthusiasm

Disillusionment

Adoption

RFID TODAY

Scenario

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At this stage, a good RFID integrator should

• guide customer, even by imposing itself• project a realistic RFID system • not promise the impossible ;-)• always be based on proven experience• remember RFID cannot guarantee 100%!!!

The Good RFID Integrator

This is so, more than in other technological fields

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A step backwards…

An RFID System

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What must an RFID System do?

An RFID System

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An RFID System

RFID = Radio Frequency IDentificationObject Identification Technology by Radio Waves

RFID System

An RFID tag is attached to every object, thus becoming univocally identifiable in the system

Identification of due objectsin a given context in front of a certain event

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RFID Detection System

Detection Area Gate

RFID Detection SystemThe goods to be identified go through reading area, usually under a gate, and are detected by the system via reading of tags attached on objects which, under the field created by the gate antennas, report their identity, i.e. their “tag id”

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RFID System

An RFID System

ReaderConnected to one or more antennas, it converts electric signals into digital ones, interpreting some of the info read on the tag

AntennaIt is the HW part transmitting/receivingradio waves for RFID tag info reading

Sensors Detect people/objects passing through, in order to identify items inside detection area

Middleware Manages the whole system, processes data and makes them available to users

Tag (or transponder)It is the element attached to items-to-be-identified, containing tag id

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The tag is an object composed by

• antenna• chip• support

The Tag

I.C. (memory, logic & TX/RX circuits)

antenna

plastic support

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Which factors affect functioning in an RFID system?

n x m x p = “RFID works”

Factors influencing RFID

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Material on which tag is attached

1

Factors influencing RFID

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Material on which tag is attached

Wood => OK

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Material on which tag is attached

Metal = !

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Material on which tag is attached

Liquids = !

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Material on which tag is attached

Oily Substances = OK

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Tag Density & Positioning

2

Factors influencing RFID

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Tag density

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due to interference)(no detection

Tag density

Visible Tag

Invisible Tags

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Tag positioning

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Invisibile Tag (due to orthogonal field lines)

Visible Tags

Tag positioning

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Quantity of antennas / reader power

3

Factors influencing RFID

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Qty. of antennas & reader power

Quantity of antennas & reader power

VS Reader Power

Ante

nna

Ante

nna

+-

Ante

nna

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Copyright © 2009 Aton S.p.A. All Rights Reserved

Aton RFID Middleware

To know more about Aton RFID middleware see the presentation Aton’s Radio Frequency IDentification