1 the auto-id center sanjay sarma, research director.
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Transcript of 1 the auto-id center sanjay sarma, research director.
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the auto-id center
sanjay sarma, research director
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outline
• RFID Systems• Low Cost RFID• Software• Applications• Field Trial• Research opportunities• Conclusions
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What’s wrong with bar-codes?
• Line-of-sight• One-at-a-time• Manual handling• Limited range• Limited data
• Non-line-of-sight• 100(s) at a time• Automatic handling• ~1 meter• 50 bits -Kbits
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Radio frequency identification systems (RFID)
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network with rf tags? yes.
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RFID Example
RFID-Handbook
"Radio-Frequency Identification: Fundamentals and Applications " 1st edition, Wiley and Sons Ltd.ISBN 0-471-98851-0)
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example rfid applications
• Supply chain– Asset tracking, reduce out of stocks, reduce
inventory, reduce bull-whip effect, speed up delivery, check freshness, track and trace, produce to demand, identify sources of diversion, identify counterfeiting, theft prediction, faster recalls
• Consumer applications– Direct order from home, smart appliances, (e.g.
microwave, washing machine, refrigerator), smart healthcare, assisted living
• New and less expected applications– Customized products, smart recycling, checkout-less
stores
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why low cost?
4
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outline
• RFID Systems• Low Cost RFID• Software• Applications• Field Trial• Research opportunities• Conclusions
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low cost rfid
time
5
10
15
20
die
size
/cos
t, ce
nts
handling costSilicon: 4c/mm2
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why is rfid expensive today?
increased chip size greater functionality
reduce functionality(Networking & software)
reduce chip size(handle small chips)
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Cheap protocol
0
10
20
30
40
50
60
70
80
90
100
905 910 915 920
Frequency (MHz)
No
ise
Gaussian Fit 0.8912 1002 Meters, 4 KHz,SQW, 1 dBm
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context-aware router context-aware
router
context-aware router
context-aware router
sensor
context-aware router
context-aware routercontext-aware
routercontext-aware router
context-aware router
context-aware router
context-aware router
sensor sensor sensor
01. 203D2A. 916E8B. 8719BAE03C
Manufacturer 24 bits
Product 24 bits
Serial Number 40 bitsHeader 8 bits
the hypothesis or bet
• Place unique number on tagElectronic Product Code, EPC64 bit, 96 bit, and upwards
• Develop manufacturing technology for small chips and tags
• Move data on the networkNetwork service for resolving EPCNetwork architecture for gathering and routing data
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Low cost RFID
Antenna Manufacture
Antenna/IC Assembly
Conversion to Package
End users
IC Manufacture
20¢ 5¢ 5¢ 20¢
IC Design
$X MillionNumber of tags
1-2¢ 1¢ 1¢ 1¢
IC Design
$X Million Billions
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Slicing and Dicing
• Standard saw-dicing wasteful• Instead, use separation
by thinning
C. Landesberger, S. Scherbaum, G. Schwinn, H. Spöhrle: “New Process Scheme for Wafer Thinning and Stress-free Separation of Ultra Thin IC’s,” Proceedings of Microsystems Technologies 2001, Mesago, Stuttgart, pp. 431-436, 2001.
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low cost rf tags
100m
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Fluidic Self Assembly
Courtesy Alien Technology
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vibratory assembly
Chip Assembl
yChip Design
Label Converting
Inlet Assembly
Silicon Manufacturi
ng
Antenna Manufacturin
g
End UserLabel / Tag Manufacturi
ng
Wafer Treatment
Vacuum cylinder
Courtesy Philips
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vibratory Assembly
Chip Assembl
yChip Design
Label Converting
Inlet Assembly
Silicon Manufacturi
ng
Antenna Manufacturin
g
End UserLabel / Tag Manufacturi
ng
Wafer Treatment
Orientation Check
Courtesy Philips
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Antenna
• Screen printing• Etching• Forming
M. Feil, C. Adler, G. Klink & M. König: “Interconnection Techniques for Ultra Thin ICs and MEMS Elements”, Proceedings of Microsystems Technologies 2001, Mesago, Stuttgart, pp. 437-442, 2001.
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conversion
• Paper/package/label industry expertise• Scales well with mass production• Capital equipment expenditure
software
paperhardware
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outline
• RFID Systems• Low Cost RFID• Software• Applications• Field Trial• Research opportunities• Conclusions
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how do we obtain the information?
Connect Physical Objects to the Internet
Automatic
Seamless
Low cost
Ubiquitous
Standard
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networking the physical world
RF Tag
Networked Tag Readers
SavantControlSystem
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Architecture: Local
Reader
01.203D2A.916E8B.8719BAE03C
Tag Local database
Reader
Local network
DataProcessing
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Architecture: Global
01.203D2A.916E8B.8719BAE03C
Reader
Local database
Reader
Local network
Local system
ONS
Internet<PML> <TIME=2000.4.28:10:05.05HRS>
<EPC= 01.203D2A.916E8B.8719BAE03C > <TEMPERATURE=15 DEG C> </EPC> </TIME></PML>
01.203D2A.916E8B.8719BAE03C ????
Quality control specialist
XQL
PML Server
18.72.100.100
18.72.100.100
PML
<PML> … … ... <MaximumTempearture> 40 DEG C </MaximumTempearture> <MinimumTemperature> 5 DEG C </MinimumTempearture></PML>
DataProcessing
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23AB.36C2.AB21.6733
Tag
Reader
Local database
Reader
Local network
Local system
ONS
Internet<PML> <TIME=2000.4.28:10:05.05HRS>
<EPC= 01.203D2A.916E8B.8719BAE03C > <TEMPERATURE=15 DEG C> </EPC> </TIME></PML>
01.203D2A.916E8B.8719BAE03C ????
Quality control specialist
XQL
PML Server
18.72.100.100
18.72.100.100
PML
<PML> … … ... <MaximumTempearture> 40 DEG C </MaximumTempearture> <MinimumTemperature> 5 DEG C </MinimumTempearture></PML>
DataProcessing
01.203D2A.916E8B.8719BAE03C
Inference
Temperature OK
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outline
• RFID Systems• Low Cost RFID• Software• Applications• Field Trial• Research opportunities• Conclusions
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bull-whip today
RETAILER40
20
0
0 4 8 12 16 20 24 28 32 36
Week
Ord
ers
WHOLESALER
DISTRIBUTOR
FACTORY
Sterman’s control policy
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bull-whip with auto-id technology
RETAILER40
20
0
0 4 8 12 16 20 24 28 32 36
Week
Ord
ers
WHOLESALER
DISTRIBUTOR
FACTORY
Joshi 2000
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Areas of Supply Chain Research
• Strategic• Tactical• Operational Excellence
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Strategic applications
• EvolutionaryTransportation Synchronization
Inventory Management Algorithms
Agile and Lean Supply Chains
Make-To-Stock,
Make-To-Order
Engineer-To-Order Environments
• RevolutionaryDistributed Intelligent Products
Distributed Business Processes
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application: supply chain management
Global Supply Chain
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Retail applications
• Shrinkage• On-shelf stockout• Customer service• Product recall• Regulatory
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outline
• RFID Systems• Low Cost RFID• Software• Applications• Field Trial• Research opportunities• Conclusions
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field trial
COCA COLA BOTTLERCLEVELAND, TN
JOHNSON & JOHNSONOLIVE BRANCH, TN
KRAFT FOODSFORTH WORTH, TX
GILLETTE DIST. CENTERCHICAGO IL
PILOT TEST FACILITYBENTONVILLE, AR
WAL-MART DEPOTBENTONVILLE, AR.
WAL MART STORECLEVELAND, TN
HOME DEPOT
Warehouse Retail Floor Staging Area Retail Floor
UNILIVER DIST. CENTERBALTIMORE, MD
P & G FACTORYCAPE GIRADEAU , MO
SAM'S STORETULSA
P & G DCIOWA CITY, IO
SAM'S DEPOTKANSAS CITY, MO
WAL-MART STOREBROKEN ARROW, OK
Pilot facility is being used as a mini warehouse TBD
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field trial began 1 oct 2001, 9:41am edt
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Field Test Plan
• Phase I, software test: Sep 01 – Feb 02 Successful
• Phase II, open reader test: Ongoing
• Phase III, Cheap tags test
• Phase IV, Japan, Europe
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outline
• RFID Systems• Low Cost RFID• Software• Applications• Field Trial• Research opportunities• Conclusions
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Research Issues
• Tag anti-collision• Reader anti-collision• Security and privacy• Advanced sensor networks • Data routing and handling• IC Design• IC manufacturing
Silicon processing
Chip assembly• Polymers• Controls/automation• Manufacturing systems• System Synthesis• Supply chain issues
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Sensors
Open tag
Agile reader
Savant
Interoperability
internet
class ii tags
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conclusions
• RFID will happen• Supply chain the first application• Costs designed for retail• Automotive applications clear• Caveat: metal content creates new
challenges