A Temperature Sensing System with Encrypted Readout Using Analog Circuits

Ava Hedayatipour, Kendra Anderson, Shaghayegh Aslanzadeh, Daniel Brown, Donatello Materassi, Nicole McFarlane

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

Low power integrated compact sensors for applications such as IoT and arrayed biomedical sensors are essential for today's technology. However, security is not incorporated in these sensors and are typically added after implementation using digital hardware or software. In this paper, we demonstrate a temperature to time sensing system with a discrete level encryption process using real-time analog circuitry and minimal processing power. The encryption uses the chaotic Lorenz attractor system. The temperature sensor, implemented in 130 nm technology, consumes 195 nW with 0.5 V power supply. The encryption module is simulated in Simulink and implemented at the board level using discrete components on a printed circuit board. Experimental results show that the envisioned chaotic system is capable of accurately encrypting and decrypting the digital temperature signal.

Original languageEnglish (US)
Title of host publication2019 IEEE 62nd International Midwest Symposium on Circuits and Systems, MWSCAS 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages152-155
Number of pages4
ISBN (Electronic)9781728127880
DOIs
StatePublished - Aug 2019
Event62nd IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2019 - Dallas, United States
Duration: Aug 4 2019Aug 7 2019

Publication series

NameMidwest Symposium on Circuits and Systems
Volume2019-August
ISSN (Print)1548-3746

Conference

Conference62nd IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2019
Country/TerritoryUnited States
CityDallas
Period8/4/198/7/19

Bibliographical note

Funding Information:
This material is based upon work supported by the National Science Foundation under Grant No. 1816703 and by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Award Number DE-SC0017414.

Publisher Copyright:
© 2019 IEEE.

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