Measurements and Tests Using the NI PXI...
Transcript of Measurements and Tests Using the NI PXI...
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Optimizing RFID Product Tagging byOptimizing RFID Product Tagging by Measurements and Tests Using the NI
PXI Platform
Vojtech DerbekR&D Manager
CISC S i d t D i C lti G bHCISC Semiconductor Design+Consulting [email protected]
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AgendaAgenda
•Company Introduction
•CISC RFID Measurement and Evaluation Test System•CISC RFID Measurement and Evaluation Test System
•Modular HW Platform and ConfigurationsModular HW Platform and Configurations
•Example of MeETS Measurement Results
•Summary
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dCISC Semiconductor is…independent…independentCISC was founded in 1999 and is a 100% private owned company
…experiencedCISC Semiconductor is managed by an international team of yhighest skilled experts & working with RFID since the first hour
f th h l i d t…for the whole industrysupporting industries that develop embedded microelectronic systems with
Head office at Lake WoertherseeL k id B07 Kl f A i
microelectronic systems with extremely short Time‐To‐Market cycles
Lakeside B07, Klagenfurt, Austria
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CISC Business UnitsCISC Business UnitsCISC Semiconductor focus on system design, modeling, simulation, verification and optimization of heterogeneous embedded microelectronic systems.
Power TrainSafety Systems
Inductive Systems-LF (125 kHz)
Tools- SyAD®
Body electronicsTransceiver
- LINCAN
-HF (13,56 MHz)Propagative Systems
- UHF2 45 GHz
- TecPET- Model Libraries
MethodologyMixed Signal / Mixed - CAN
- FlexRaySmart Sensors Info & Entertainment
- 2,45 GHzRFID Product DesignRFID System DesignSimulations/Emulations
Mixed Signal / Mixed Domain Design MethodsEmbedded system simulationD i C t i / Yi ld
Measurement ToolsInt. Standardization
Design Centering / Yield Optimization
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CISC RF: Core competencesCISC RF: Core competences
RFID i l i l i•RFID system simulation+emulationRFID system modelingRF system communication link modelingProtocol evaluationIdentification software optimizationRFID System application evaluations
•RFID system designReadersTag ASICTag ASICTags, LabelsApplication Setups
•RFID measurement products•RFID measurement productsApplicationsConformancePerformancePerformance
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CISC RFCISC RF
T f RFID f i l ith l t i t ti l• Team of RFID professionals with long‐term, international reputation
• Performance improver of RFID products and systems in many j h h l iprojects through our solutions.
• Knows what to measure on RFID systems and products in order to evaluate the performance and we know what wheels to twist in order to maximize it
• Provider of RFID simulation and measurement tools
• Leading organization in RFID Standardization• Leading organization in RFID Standardization
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AgendaAgenda
•Company Introduction
•CISC RFID Measurement and Evaluation Test System•CISC RFID Measurement and Evaluation Test System
•Modular HW Platform and ConfigurationsModular HW Platform and Configurations
•Example of MeETS Measurement Results
•Summary
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Challenges in RFIDChallenges in RFID
• HF cards:• HF cards:Stacking
Read range
Strength of response (sidebands)
• UHF tags:Tags applied on productsTags applied on products
Interference of multiple readers
Read range
Closely coupled tags (proximity)
• Readers and Reader SystemsCommand set and RF complianceCommand set and RF compliance
Sensitivity
Dense reader environments
U d d lli iUnwanted reads, tag collisions
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RF effects of common materials in UHFRF effects of common materials in UHF
Material RF Effects
Ab ti ( i t )C db d Absorption (moisture)Detuning (dielectric)
Absorption
Cardboard
Conductive liquidsDetuning
Absorption
Detuning
(e.g. shampoo)
Plastics
Metals DetuningReflection
Complex effects (lenses, filters)Reflection
Metals
CansGroups of cans Reflection
AbsorptionDetuningR fl ti
Groups of cans
Human bodyAnimals
Reflection
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CISC RFID MeETSPerformance and Conformance Tests
NEEDProducts fulfilling conformance requirementsProduct fulfilling customer performance requirementsBest suitable product for the application (e.g. applied tags)
SOLUTIONPerformance and conformance testsPerformance and conformance testsData sheet based on performance tests
BENEFITConfirmed recommendation for best product
• UHF band (860 – 960 MHz)
Confirmed recommendation for best productFast, reliable product data sheets
• UHF band (860 – 960 MHz) • HF band (13.56 MHz)• Modular, based on industrial standard of NI PXI and Labview
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Test CapabilitiesTest Capabilities
RFID T t & M t•RFID Tests & MeasurementsConformance
PerformancePerformance
Interoperability
•Reader EmulatorTag Test
•Sniffer TestTag and Reader Test
•Tag EmulatorReader Test
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RFID Protocols Available in MeETSRFID Protocols Available in MeETS
• 13.56 MHz (HF)13.56 MHz (HF)ISO 14443 Type A ISO 14443 Type B ISO 15693
dISO 18000‐3 Mode 1 ISO 18000‐3 Mode 2 ISO 18092 NFC EPCglobal HF Class‐1 Generation 2EPCglobal HF Class 1 Generation 2
• 860 – 960 MHz (UHF) ISO 18000‐6 Type A ISO 18000‐6 Type B ISO 18000‐6 Type C / EPCglobal UHF Class‐1 Gen‐2EPC Class 1 Generation 2
• 2.45 GHz (Microwave)ISO 18000‐4 Mode 1
• 125 kHz ‐ 2.7 GHz Customized Protocol
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UHF RFID Performance TestingUHF RFID Performance Testing
•860 ‐ 960 MHz
•Accuracyy
•Reproducibility
•Automation•Automation
•Compliance
•Quality
MeETS UHF RFID test setup installed at the European EPC Competence Center
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MeETS UHF Tag Performance TesterMeETS UHF Tag Performance Tester
Test cases•Fully automated SW for complete Test cases•Read & backscatter range•Orientation toleranceF t l
•Fully automated SW for complete characterization of UHF tag performance •Frequency tolerance
•Interference tolerance•Write Range & Time
performance
Tag characteristic•Frequency sweep 800MHz 1 GHz
•Tag Proximity
800MHz – 1 GHz•Power sweep•Response evaluation
Report generator•In Microsoft Word format
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MeETS UHF Tag Conformance TesterMeETS UHF Tag Conformance Tester
•Detailed analysis of tag conformance•Detailed analysis of tag conformance
•UHF reader emulator Response analysis•Memory content bit stream•Memory content, bit stream•Protocol state transition•Link frequency/Data rate
Free‐defined reader command•All standard commands•Selection of command type•Selection of command type•Define data content•Modulation type and indexP l idth t iti d
i l l i
•Pulse width, transition edges•Timing
RF Signal Analysis•Frequency Spectrum, JTFA•Waveform Graph•Response timing analysis
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HF RFID Performance and Conformance TestingHF RFID Performance and Conformance Testing
•13.56 MHz
5 A/ t 5 A/•5 mA/m to 5 A/m
•Feedback H‐field measurement
•Self‐calibration
•ISO compliant •ISO 18047‐3ISO 18047 3
•ISO 10373‐6
•ISO 10373‐7ISO 10373 7
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MeETS HF Tag Performance and Conformance Test System•HF (13 56 MHz) Tag Evaluations•HF (13.56 MHz) Tag Evaluations
Compliance Test•RF and analogReporting and Test logs •Command set
Reporting and Test logs
Performance Test•Resonance frequency measurement•Sideband levelsSideband levels•Load modulation•Operating field vs. Modulation indexModulation index
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MeETS Reader Conformance Test SystemMeETS Reader Conformance Test System
•Measurement and Tests of RFID Readers•Measurement and Tests of RFID Readers
•Tag emulator and Sniffer Communication analysis•Decoded message
•UHF and HFDecoded message
•Turnaround time measurement
Free‐defined tag response•Tag emulation with user defined response parametersdefined response parameters
•Triggering on reader command
i l l iRF Signal Analysis•Timing•Spectrum•Protocol
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AgendaAgenda
•Company Introduction
•CISC RFID Measurement and Evaluation Test System•CISC RFID Measurement and Evaluation Test System
•Modular HW Platform and ConfigurationsModular HW Platform and Configurations
•Example of MeETS Measurement Results
•Summary
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PXI – One Platform for all RFID tests
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PXIe 5641R/PCI 5640R
FPGA-Based RF Transceiver
Frequency range 250 kHz to 80 MHz
R l ti b d idth 20 MHReal-time bandwidth 20 MHz
Input 2 channels, 100 MS/s, 14 bits
O t t 2 h l 200 MS/ 14 bitOutput 2 channels, 200 MS/s, 14 bits
FPGA Xilinx Virtex-II Pro / Virtex-5
D t t i 4 DMA h lData streaming 4 DMA channels
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PXI 5600 and PXI 5610
2.7 GHz RF DownconveterFrequency range 9 kHz to 2 7 GHz
2.7 GHz RF UpconverterFrequency range 250 kHz to 2 7 GHzFrequency range 9 kHz to 2.7 GHz
Real-time bandwidth 20 MHzInput signal range -130 dBm to +30 dBm
Frequency range 250 kHz to 2.7 GHzReal-time bandwidth 20 MHzOutput signal range -145 dBm to +10 dBm30 dBm
Absolute accuracy ±1 dB, typical10 dBm
Absolute accuracy ±1 dB, typical
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CISC PXI Carrier Cancellation System
For high quality UHF systemsSuppresses unwanted coupling between transmitter and receiverIncreases receiver sensitivityImproves signal to noise ratioImproves signal-to-noise ratioWeak signals become better d t t bldetectable
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CISC PXI Carrier Cancellation SystemReader commandReader command Tag response
With CISC PXI CCS Without CISC PXI CCS
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CISC Impedance Converter
For high precision HF test systems2 inputs 2 outputs HF preamplifier2 inputs, 2 outputs HF preamplifierInterface between the HF antenna assembly and the RF transceiverand the RF transceiverSpecial probe cables with low capacitanceSW controllable gainSW controllable gain1 M ohm inputs50 ohm outputs50 ohm outputs
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RF Frontend
UHF Test Antenna HF Test Assembly800 MHz – 1 GHzNarrow beam
y13.56 MHzISO compliant
Flat gainISO compliant
ISO 10373-6ISO 10373-7ISO 18047-3
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Hardware configuration for HF testsHardware configuration for HF testsPCI-5640R
• HF (13.56 MHz) Tag EvaluationsPCI 5640R
Power amplifierPower amplifier
HF antenna setup
Impedance Converter
PC with Labview and MeETS SW
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PXI Hardware configuration for UHF testsPXI Hardware configuration for UHF tests
• UHF (860‐960 MHz) tag evaluationsUpconverter PXI 5610
Downconverter PXI 5600Downconverter PXI 5600
RF transceiver PXIe 5641R
PXI Carrier Cancellation System
ll d hPXIe controller and chassis
Labview and MeETS SW
RF power amplifier
Antennas
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AgendaAgenda
•Company Introduction
•CISC RFID Measurement and Evaluation Test System•CISC RFID Measurement and Evaluation Test System
•Modular HW Platform and ConfigurationsModular HW Platform and Configurations
•Example of MeETS Measurement Results
•Summary
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Tag test procedure
• Reader independent test
Use reference reader (close to ideal = (no tag response missed)
• Attach tag to a product or reference material
• Test tag performance over the whole range of UHF frequencies allocated for RFID
• Test tag performance over the whole range of power levels
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Frequency dependent sensitivity
•Effects of various materials on read rangeEffects of various materials on read rangeMaterial Dependency of Read Range
8EU US JP
5
6
7
nge
[m]
Free spaceDry cardboard
DetuningDetuning
1
2
3
4
Rea
d R
an
yBeverage tray (full)Milk container (full)Box of chocolates
0
1
800 850 900 950 1000Frequency [MHz]
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Orientation degradation of tag sensitivityOrientation degradation of tag sensitivity
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AgendaAgenda
•Company Introduction
•CISC RFID Measurement and Evaluation Test System•CISC RFID Measurement and Evaluation Test System
•Modular HW Platform and ConfigurationsModular HW Platform and Configurations
•Example of MeETS Measurement Results
•Summary
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RFID Measurement & Test SummaryRFID Measurement & Test Summary
•Solution for •TestsReaders
Tags, LabelsConformance
PerformanceASICs
Operating setupsInteroperability
•CISC Products•Systems
LFHigh performance /accuracy configurable
HF
UHF
NI‐based
Standalone rugged blportable
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Get the ID with CISC RFID products!Get the ID with CISC RFID products!