research-article

BioScatter: Low-Power Sweat Sensing with Backscatter

Authors:

Xiaojiang ChenAuthors Info & Claims

MobiSys '23: Proceedings of the 21st Annual International Conference on Mobile Systems, Applications and Services

Pages 191 - 204

https://doi.org/10.1145/3581791.3596834

Published: 18 June 2023 Publication History

Abstract

Sweat contains a wealth of physiologically relevant information and has been used to detect underlying diseases or the sub-health state. However, existing sweat sensors suffer from high energy consumption due to the need for energy-hungry components (i.e., ADC and DAC) and active radio front-ends, making them unable to support continuous and long-term monitoring.

This paper introduces BioScatter, a backscatter-based accurate and ultra-low-power sweat sensing wearable sensor that does not need any energy-hungry ADC, DAC, and active radios. The key to eliminating DAC is a novel low-power voltage sweeping circuit design that can perform as well as a 12-bit DAC. To eliminate the ADC, we borrow backscatter technology that can directly transmit the measured analog sensing values to the reader, thus avoiding digital sampling. Extensive results show that BioScatter has a low-power consumption of 313.5 μW and achieves more than 98.5% sensing accuracy for detecting five concentration levels of three types of important bio-fluid in sweat.

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Cited By

He GXie YZheng CZhang LWu QZhang WXu DChen XGanesan DLane NShi W(2024)Hornbill: A Portable, Touchless, and Battery-Free Electrochemical Bio-tag for Multi-pesticide DetectionProceedings of the 30th Annual International Conference on Mobile Computing and Networking10.1145/3636534.3690693(1283-1298)Online publication date: 4-Dec-2024
https://dl.acm.org/doi/10.1145/3636534.3690693
Chen BNolan JZhang XGanesan DLane NShi W(2024)MetaBioLiq: A Wearable Passive Metasurface Aided mmWave Sensing Platform for BioFluidsProceedings of the 30th Annual International Conference on Mobile Computing and Networking10.1145/3636534.3690687(1192-1206)Online publication date: 4-Dec-2024
https://dl.acm.org/doi/10.1145/3636534.3690687
Thaddeus LReddy CBhadauria YShah DGulati MVarshney A(2024)TunnelSense: Low-Power, Non-Contact Sensing Using Tunnel Diodes2024 IEEE International Conference on RFID (RFID)10.1109/RFID62091.2024.10582671(154-159)Online publication date: 4-Jun-2024
https://doi.org/10.1109/RFID62091.2024.10582671
Show More Cited By

Index Terms

BioScatter: Low-Power Sweat Sensing with Backscatter
1. Hardware
  1. Communication hardware, interfaces and storage
    1. Sensor devices and platforms
    2. Wireless devices
2. Human-centered computing
  1. Ubiquitous and mobile computing
    1. Ubiquitous and mobile computing systems and tools

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cover image ACM Conferences

MobiSys '23: Proceedings of the 21st Annual International Conference on Mobile Systems, Applications and Services

June 2023

651 pages

ISBN:9798400701108

DOI:10.1145/3581791

General Chairs:
Petteri Nurmi,
Pan Hui,
Program Chairs:
Ardalan Amiri Sani,
Yunxin Liu

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Published: 18 June 2023

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MobiSys '23: 21st Annual International Conference on Mobile Systems, Applications and Services

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Cited By

He GXie YZheng CZhang LWu QZhang WXu DChen XGanesan DLane NShi W(2024)Hornbill: A Portable, Touchless, and Battery-Free Electrochemical Bio-tag for Multi-pesticide DetectionProceedings of the 30th Annual International Conference on Mobile Computing and Networking10.1145/3636534.3690693(1283-1298)Online publication date: 4-Dec-2024
https://dl.acm.org/doi/10.1145/3636534.3690693
Chen BNolan JZhang XGanesan DLane NShi W(2024)MetaBioLiq: A Wearable Passive Metasurface Aided mmWave Sensing Platform for BioFluidsProceedings of the 30th Annual International Conference on Mobile Computing and Networking10.1145/3636534.3690687(1192-1206)Online publication date: 4-Dec-2024
https://dl.acm.org/doi/10.1145/3636534.3690687
Thaddeus LReddy CBhadauria YShah DGulati MVarshney A(2024)TunnelSense: Low-Power, Non-Contact Sensing Using Tunnel Diodes2024 IEEE International Conference on RFID (RFID)10.1109/RFID62091.2024.10582671(154-159)Online publication date: 4-Jun-2024
https://doi.org/10.1109/RFID62091.2024.10582671
Mahmud SBiswas EHossain SAnderson CNishida THassan SKhalifa A(2024)Bi-Metal Metamaterial Absorber for Wearable Sweat Sensing and Energy Harvesting Applications2024 46th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)10.1109/EMBC53108.2024.10782957(1-4)Online publication date: 15-Jul-2024
https://doi.org/10.1109/EMBC53108.2024.10782957
Zhao YJiao WLi YHu DSong SWei XZhang XChen XYang F(2024) Portable Integrated Sensor Based on C 60 Encapsulated into Cu-Based Porphyrin-Derived MOFs for the Photoelectrochemical Detection of Glyphosate ACS Applied Nano Materials10.1021/acsanm.4c007197:10(11214-11224)Online publication date: 10-May-2024
https://doi.org/10.1021/acsanm.4c00719

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