Beyond RFID, The Chipless RFID technology

14/12/2016
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OAI : oai:www.see.asso.fr:1165:17735
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Résumé

Beyond RFID, The Chipless RFID technology

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etienne.perret@lcis.grenoble-inp.fr Beyond RFID, The Chipless RFID technology Univ. Grenoble Alpes, LCIS, Valence, France Institut Universitaire de France Etienne Perret E. Perret New uses: remote interaction with objects Virtual tools related to motion tracking. Communicate with gestures that mimic familiar interactions with physical tools This interaction makes it easier to communicate Aims (1/2) Project Soli - Google ATAP / concept of Virtual Tools Smart disposable labels concept Identification and sensor applications E. Perret Issue: Identifying the origin of the action Support : disposable label The label must be chipless, printable, and with a cost similar to a barcode. Aims (2/2) Label acting as a remote control E. Perret Chipless System: (1) Reader based on a UWB impulse radar with equivalent time acquisition (2) Chipless tags allowing to increase measurement accuracy: identification, sensor, authentication,… + = Smart disposable electronic labels concept The system Reader Label E. Perret Half way between RFID and barcode Identification Sensor Technology E. Perret 6 More than 3000 application cases are known (Logistics, Item, Pallet, Animal, ID paper, Toll road, pharmacy…) Introduction to Chipless RFID Different classes of tags for different applications. The RFID is one of the major technologies in the field of identification. Its field of application is expanding rapidly. Variety of applications lots of constraints : Size, Cost, Reliability (vibration, temperature …), Data security E. Perret 7 Barecode RFID Chipless RFID Easy to use Universal ‘Personal’ software, printer to generate printable barcode labels  Low cost Short range, direct line of sight RF communication Flexibility for placement, orientation, direct line of sight is not necessary, More complex solution Extensive read ranges, multi-read. Not universal, lack of security, Cost, With a chip, more or less robust. Chipless RFID E. Perret 8 Barecode Chipless RFID RFID Technology E. Perret  What about chipless RFID ? Positioning of Chipless RFID RFID BarcodeChipless RFIDFunctions Item-level tagging / data storage Multi-read / large reading area Discretion Writing capability Product integrity Sensor Cost (*) (*) 2D barcodes only E. Perret Principle of operation E. Perret Chipless RFID issues Today, the demonstration of the practical and economic potential of chipless needs to be done. [1] A. Vena, E. Perret, S. Tedjini, "Chipless RFID tag using hybrid coding technique," IEEE Transactions on Microwave Theory and Techniques, 2011. [2] A. Vena, E. Perret, S. Tedjini, "A Fully Printable Chipless RFID Tag With Detuning Correction Technique," IEEE Microwave and Wireless Components Letters, 2012. [3] A. Vena, E. Perret, S. Tedjini, "Design of Compact and Auto Compensated Single Layer Chipless RFID Tag," IEEE Transactions on Microwave Theory and Techniques, 2012. [4] A. Vena, E. Perret, S. Tedjini, "High Capacity Chipless RFID Tag Insensitive to the Polarization," IEEE Transactions on Antennas and Propagation, 2012. [5] A. Vena, T. Singh, S. Tedjini, E. Perret, "Metallic letter identification based on radar approach," in General Assembly and Scientific Symposium, 2011 URSI, 2011. Encoding capacity [1] Encoding capacity [1] robustness of detection [2,3] robustness of detection [2,3] orientation of reading [4] orientation of reading [4] Compliance with RF emission regulations [5] Compliance with RF emission regulations [5] reader cost [4] reader cost [4] The feasibility of large scale chipless tags production + a unit cost of about € 0.4 cents Tag cost New functionalities regarding barcodes. Sensing 11 E. Perret Compliance with RF emission regulations Compliance with RF emission regulations reader cost reader cost Encoding capacity Encoding capacity robust ness of detecti on robust ness of detecti on orientati on of reading orientati on of reading Sensing Tag cost 12 Deformation sensor Sensing Chipless RFID issues Displacements of 100 µm can be measured with very high resolution! E. Perret Compliance with RF emission regulations Compliance with RF emission regulations reader cost reader cost Encoding capacity Encoding capacity robust ness of detecti on robust ness of detecti on orientati on of reading orientati on of reading Sensing Tag cost 13 Group Delay S21 variations: 30 dB Group Delay variations : 22,3 ns Amplitude Humidity sensor Chipless RFID issues E. Perret etienne.perret@grenoble-inp.fr Reconfigurable chipless RFID CBRAM memory Cu R1 Substrat Fréquence (GHz) Puissance réfléchie switch RF R2 R3 R1=100 Ω, R2=100Ω, R3=100 Ω R1=1M Ω, R2=1MΩ, R3=1M Ω R1=100 Ω, R2=1MΩ, R3=100 Ω 4 5 1 2 3 14 1,5GHz Writing capability ? E. Perret Encoding capacity Encoding capacity sensingsensing orientati on of reading orientati on of reading Tag cost 15 robustness of detection Concluding remarks • Tags can be printed on low cost substrates (paper, plastic…) with consumer inkjet printers or mass production techniques. • New and convenient techniques can be developed for: identification and sensing without the use of any chip or battery. • The solution can be cheap (chipless RFID reader + tags <1k€ … - No VNA required). • Very good accuracy in terms of sensing can be obtained. Concept of Smart Labels – disposable electronics