RFID Overview - Small Business Trends

youthfulgleekingNetworking and Communications

Feb 17, 2014 (3 years and 1 month ago)

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RFID Technology

What is it?


(And why should you care?)

© Anita Campbell, October 2004

RFID


What is it?


R
adio
F
requency
Id
entification



Three parts to an RFID implementation:


Tag (chip and antenna)


Reader


Database & software



Tag holds unique data


a serial number
and/or other unique attributes of the item

© Anita Campbell, October 2004

RFID Uses


Retail & Distribution


Contactless Payment


Keyless Entry


Livestock Tagging


Pharmaceuticals


Logistics Assets (containers, trailers)


Pet Identification

© Anita Campbell, October 2004

Bar Codes on Steroids


“RADIO FREQUENCY

identification (RFID) tags
are like bar codes on
steroids; they're to
traditional SKUs what
Robocop was to your
ordinary cop on the
beat.”


-

CIO Magazine


© Anita Campbell, October 2004

RFID Benefits


More information


Individual item data & tracking



Fast



No contact


No line of sight


Miliseconds


Simultaneous read of multiple items

© Anita Campbell, October 2004

RFID Tag Attributes

Active RFID

Passive RFID

Tag Power
Source

Internal to tag

Energy transferred
using RF from reader

Tag Battery

Yes

No

Required signal
strength

Very Low

Very High

Range

Up to 100m

Up to 3
-
5m, usually less

Multi
-
tag reading


1000’s of tags
recognized


up to
100mph

Few hundred within 3m
of reader


Data Storage

Up to 128 Kb or read/
write & search

128 bytes of read/write

© Anita Campbell, October 2004

Passive RFID Tags

EXAMPLE: “Traditional”
tags used in retail security
applications



Tag contains antenna and
a small data chip



Tag is powered by the
electromagnetic field
generated in doorways,
reflecting back a weak
signal containing data

© Anita Campbell, October 2004

Active Tags

EXAMPLE: military;
transportation assets


Battery Powered tags


Greater range


100m


More information


Kbytes


Can integrate sensors


Temperature, GPS


More expensive


Shorter life span

© Anita Campbell, October 2004

Status Today

Issue #1: RFID Mandate Madness


But will suppliers make the right choices?

© Anita Campbell, October 2004

Status Today

Issue #2: Lack of worldwide tag, reader,
data standards



Companies may later have to scrap choices


EPCglobal trying to solve


China a wild card

© Anita Campbell, October 2004

Status Today

Issue #3: Tag costs too high


Goal is 5¢ tag; can’t afford
$2 tag on 99¢ item


Biggest limit on
widespread business use

© Anita Campbell, October 2004

Status Today

Issue #4: Lack of Software


What to do with all that data?


Problem: “Petabytes”


Answer: “Middleware”

© Anita Campbell, October 2004

Status Today

Issue #5: Privacy concerns


Item level tagging


Tagging people

“Mark of the Beast”

Urban legend

“Andrew Jackson’s
Exploding Eyeball”

Urban legend

© Anita Campbell, October 2004

The Future

"Imagine an Internet of
things, where everyday
objects, rooms, and
machines are
connected to one
another and to the
larger digital world.”

-

Business 2.0

For More Information

RFID Journal

rfidjournal.com

InformationWeek

informationweek.com

RFID Weblog


rfid
-
weblog.com

Don’t
Forget!

“RFID in the Supply Chain”

19 November 2004

Martin Center