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Personal profile

Research Interests

I'm interested in designing, building, and deploying trillions of tiny energy harvesting computers that run for decades, supporting global scale applications ranging from healthcare to space exploration, wildlife tracking to horticulture.

My research investigates how we can make this possible. I explore and develop new hardware designs, software techniques, tools, and programming abstractions so that developers can easily design, debug, and deploy intricate energy harvesting, batteryless sensing applications that work in spite of frequent power failures, constrained resources, and unpredictable conditions.

Education/Academic qualification

Computer Science, PhD, Clemson University

Computer Science, BS, Clemson University

Fingerprint Dive into the research topics where Josiah David Hester is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

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Energy harvesting Engineering & Materials Science
Sensors Engineering & Materials Science
Hardware Engineering & Materials Science
Capacitors Engineering & Materials Science
Data storage equipment Engineering & Materials Science
Clocks Engineering & Materials Science
Scheduling Engineering & Materials Science
Energy storage Engineering & Materials Science

Network Recent external collaboration on country level. Dive into details by clicking on the dots.

Grants 2019 2022

tomography
membranes
sensors
composite materials
silicones
Energy harvesting
Networks (circuits)
Metadata
Energy storage
Animals
Energy harvesting
Costs
Networks (circuits)
Metadata
Energy storage

Research Output 2013 2019

Counting bites with bits: Expert workshop addressing calorie and macronutrient intake monitoring

Alshurafa, N., Lin, A. W., Zhu, F., Ghaffari, R., Hester, J., Delp, E., Rogers, J. & Spring, B., Jan 1 2019, In : Journal of medical Internet research. 21, 12, e14904.

Research output: Contribution to journalReview article

Open Access
Bites and Stings
Education
Food
Eating
Energy Intake

ENSsys 2019 Chairs' Welcome

Renner, C., Lucia, B., Weddell, A. & Hester, J., Nov 10 2019, In : ENSsys 2019 - Proceedings of the 7th International Workshop on Energy Harvesting and Energy-Neutral Sensing Systems. p. III

Research output: Contribution to journalEditorial

Holistic Energy Management with μprocessor Co-Optimization in Fully Integrated Battery-Less IoTs

Hester, J. D., Jia, T. & Gu, J., Jan 17 2019, Proceedings - 31st IEEE International System on Chip Conference, SOCC 2018. Stan, M., Li, H., Bhatia, K., Sridhar, R. & Alioto, M. (eds.). IEEE Computer Society, p. 61-66 6 p. 8618523. (International System on Chip Conference; vol. 2018-September).

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

Energy harvesting
Energy management
Microprocessor chips
Voltage regulators
Harvesters

On the accuracy of network synchronization using persistent hourglass clocks

Curuk, E., Yldrm, K. S., Pawecz, P. & Hester, J., Nov 10 2019, ENSsys 2019 - Proceedings of the 7th International Workshop on Energy Harvesting and Energy-Neutral Sensing Systems. Association for Computing Machinery, Inc, p. 35-41 7 p. (ENSsys 2019 - Proceedings of the 7th International Workshop on Energy Harvesting and Energy-Neutral Sensing Systems).

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

Clocks
Synchronization
Capacitors
Wireless sensor networks
Sensors

Application Memory Isolation on Ultra-Low-Power MCUs

Hardin, T., Scott, R., Proctor, P., Hester, J. D., Sorber, J. & Kotz, D., 2018, Proceedings of the 2018 USENIX Annual Technical Conference. p. 127-132 6 p.

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