SCALAR: Self-Calibrated Acoustic Ranging for Distributed Mobile Devices

Continuous domestic respiration monitoring provides vital information for diagnosing assorted diseases. In this paper, we introduce RespTracker, the first continuous, multiple-person respiration tracking system in domestic settings using acoustic-based COTS devices. RespTracker uses a multi-stage algorithm to separate and recombine respiration signals from multiple paths so that it can track the respiration rate of multiple moving subjects. And it leverages features from multiple dimensions to separate different users in the same area. Our experimental results show that our two-stage algorithm can distinguish the respiration of at least four subjects and cover a distance of three meters.

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Multi-User Room-Scale Respiration Tracking Using COTS Acoustic Devices

Wan

Shi

Cao

et al. 2023

ACM Trans. Sen. Netw.

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SCALAR: Self-Calibrated Acoustic Ranging for Distributed Mobile Devices

Cited by 1 publication

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Multi-User Room-Scale Respiration Tracking Using COTS Acoustic Devices

Multi-User Room-Scale Respiration Tracking Using COTS Acoustic Devices

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