PARC, a Xerox Company, is developing a low-cost system of peel-and-stick wireless sensors that will enable widespread building environment sensor deployment with the potential to deliver up to 30% energy savings. The system is embodied by a set of RF hubs that provide power to automatically located sensor nodes, and relay data wirelessly to the building management system (BMS). The sensor nodes are flexible electronic labels powered by rectified RF energy transmitted by an RF hub and can contain multiple printed and conventional sensors. The system design overcomes limitations in wireless sensors related to power delivery, lifetime, and cost by eliminating batteries and photovoltaic devices. Sensor localization is performed automatically by the inclusion of a programmable multidirectional antenna array in the RF hub. Comparison of signal strengths while the RF beam is swept allows for sensor localization, reducing installation effort and enabling automatic recommissioning of sensors that have been relocated, overcoming a significant challenge in building operations. PARC has already demonstrated wireless power and temperature data transmission up to a distance of 20m with less than one minute between measurements, using power levels well within the FCC regulation limits in the 902–928 MHz ISM band. The sensor’s RF energy harvesting antenna achieves high performance with dimensions below 5cm × 9cm.
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ASME 2017 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems collocated with the ASME 2017 Conference on Information Storage and Processing Systems
August 29–September 1, 2017
San Francisco, California, USA
Conference Sponsors:
- Electronic and Photonic Packaging Division
ISBN:
978-0-7918-5809-7
PROCEEDINGS PAPER
Peel-and-Stick Sensors Powered by Directed RF Energy Available to Purchase
Christopher Lalau-Keraly,
Christopher Lalau-Keraly
PARC, a Xerox Company, Palo Alto, CA
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George Daniel,
George Daniel
PARC, a Xerox Company, Palo Alto, CA
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Joseph Lee,
Joseph Lee
PARC, a Xerox Company, Palo Alto, CA
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David Schwartz
David Schwartz
PARC, a Xerox Company, Palo Alto, CA
Search for other works by this author on:
Christopher Lalau-Keraly
PARC, a Xerox Company, Palo Alto, CA
George Daniel
PARC, a Xerox Company, Palo Alto, CA
Joseph Lee
PARC, a Xerox Company, Palo Alto, CA
David Schwartz
PARC, a Xerox Company, Palo Alto, CA
Paper No:
IPACK2017-74150, V001T03A005; 4 pages
Published Online:
October 27, 2017
Citation
Lalau-Keraly, C, Daniel, G, Lee, J, & Schwartz, D. "Peel-and-Stick Sensors Powered by Directed RF Energy." Proceedings of the ASME 2017 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems collocated with the ASME 2017 Conference on Information Storage and Processing Systems. ASME 2017 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. San Francisco, California, USA. August 29–September 1, 2017. V001T03A005. ASME. https://doi.org/10.1115/IPACK2017-74150
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