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A CSI-ratio model based house-level respiration monitoring system using COTS wifi devices

Published: 09 September 2019 Publication History

Abstract

The past few years have witnessed the great potential of exploiting channel state information (CSI) retrieved from COTS WiFi devices for respiration monitoring. However, existing approaches only work when the target is close to the WiFi transceivers and the performance degrades significantly when the target is far away. This sensing range constraint greatly limits the application of the proposed approaches in real life. Different from the existing approaches that apply the raw CSI readings of individual antenna for sensing, we employ the ratio of CSI readings from two antennas, whose noise is mostly canceled out by the division operation to significantly increase the sensing range.1 In this demo, we will demonstrate FarSense - a CSI-ratio model based house-level real-time respiration monitoring system using COTS WiFi devices.

Supplementary Material

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Supplemental files.

References

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Amy Diane Droitcour et al. 2006. Non-contact measurement of heart and respiration rates with a single-chip microwave doppler radar. Ph.D. Dissertation. Citeseer.
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Daniel Halperin, Wenjun Hu, Anmol Sheth, and David Wetherall. 2011. Tool release: Gathering 802.11 n traces with channel state information. ACM SIGCOMM Computer Communication Review 41, 1 (2011), 53--53.
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Xiang Li, Daqing Zhang, Qin Lv, Jie Xiong, Shengjie Li, Yue Zhang, and Hong Mei. 2017. IndoTrack: Device-free indoor human tracking with commodity Wi-Fi. Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 1, 3 (2017), 72.
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Xiang Li, Daqing Zhang, Jie Xiong, Yue Zhang, Shengjie Li, Yasha Wang, and Hong Mei. 2018. Training-Free Human Vitality Monitoring Using Commodity Wi-Fi Devices. Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 2, 3 (2018), 121.
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Jian Liu, Yan Wang, Yingying Chen, Jie Yang, Xu Chen, and Jerry Cheng. 2015. Tracking vital signs during sleep leveraging off-the-shelf wifi. In Proceedings of the 16th ACM International Symposium on Mobile Ad Hoc Networking and Computing. ACM, 267--276.
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Xuefeng Liu, Jiannong Cao, Shaojie Tang, and Jiaqi Wen. 2014. Wi-Sleep: Contactless sleep monitoring via WiFi signals. In 2014 IEEE Real-Time Systems Symposium. IEEE, 346--355.
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Kai Niu, Fusang Zhang, Jie Xiong, Xiang Li, Enze Yi, and Daqing Zhang. 2018. Boosting fine-grained activity sensing by embracing wireless multipath effects. In Proceedings of the 14th International Conference on emerging Networking EXperiments and Technologies. ACM, 139--151.
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Hao Wang, Daqing Zhang, Junyi Ma, Yasha Wang, Yuxiang Wang, Dan Wu, Tao Gu, and Bing Xie. 2016. Human respiration detection with commodity wifi devices: do user location and body orientation matter?. In Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing. ACM, 25--36.
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Hao Wang, Daqing Zhang, Yasha Wang, Junyi Ma, Yuxiang Wang, and Shengjie Li. 2017. RT-Fall: A Real-Time and Contactless Fall Detection System with Commodity WiFi Devices. IEEE Trans. Mob. Comput. 16, 2 (2017), 511--526.
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Wei Wang, Alex X Liu, Muhammad Shahzad, Kang Ling, and Sanglu Lu. 2015. Understanding and modeling of wifi signal based human activity recognition. In Proceedings of the 21st annual international conference on mobile computing and networking. ACM, 65--76.
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Xuyu Wang, Chao Yang, and Shiwen Mao. 2017. PhaseBeat: Exploiting CSI phase data for vital sign monitoring with commodity WiFi devices. In 2017 IEEE 37th International Conference on Distributed Computing Systems (ICDCS). IEEE, 1230--1239.
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Dan Wu, Daqing Zhang, Chenren Xu, Hao Wang, and Xiang Li. 2017. Device-free WiFi human sensing: From pattern-based to model-based approaches. IEEE Communications Magazine 55, 10 (2017), 91--97.
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Dan Wu, Daqing Zhang, Chenren Xu, Yasha Wang, and Hao Wang. 2016. WiDir: walking direction estimation using wireless signals. In Proceedings of the 2016 ACM international joint conference on pervasive and ubiquitous computing. ACM, 351--362.
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Tong Xin, Bin Guo, Zhu Wang, Pei Wang, Jacqueline Chi Kei Lam, Victor Li, and Zhiwen Yu. 2018. FreeSense: A Robust Approach for Indoor Human Detection Using Wi-Fi Signals. Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 2, 3 (2018), 143.
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Youwei Zeng, Dan Wu, Ruiyang Gao, Tao Gu, and Daqing Zhang. 2018. FullBreathe: Full Human Respiration Detection Exploiting Complementarity of CSI Phase and Amplitude of WiFi Signals. Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 2, 3 (2018), 148.
[16]
Youwei Zeng, Dan Wu, Jie Xiong, Enze Yi, Ruiyang Gao, and Daqing Zhang. 2019. FarSense: Pushing the Range Limit of WiFi-based Respiration Sensing with CSI Ratio of Two Antennas. Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 3, 3 (2019), 121.
[17]
Youwei Zeng, Enze Yi, Dan Wu, Ruiyang Gao, and Daqing Zhang. 2018. A Full Human Respiration Detection System Using Commodity Wi-Fi Devices. In Proceedings of the 2018 ACM International Joint Conference and 2018 International Symposium on Pervasive and Ubiquitous Computing and Wearable Computers. ACM, 480--483.
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Daqing Zhang, Hao Wang, and Dan Wu. 2017. Toward centimeter-scale human activity sensing with Wi-Fi signals. Computer 50, 1 (2017), 48--57.
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Fusang Zhang, Kai Niu, Jie Xiong, Beihong Jin, Tao Gu, Yuhang Jiang, and Daqing Zhang. 2019. Towards a Diffraction-based Sensing Approach on Human Activity Recognition. Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 3, 1 (2019), 33.
[20]
Fusang Zhang, Daqing Zhang, Jie Xiong, Hao Wang, Kai Niu, Beihong Jin, and Yuxiang Wang. 2018. From fresnel diffraction model to finegrained human respiration sensing with commodity wi-fi devices. Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 2, 1 (2018), 53.

Cited By

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  • (2023)Toward Low-Cost Passive Motion Tracking With One Pair of Commodity Wi-Fi DevicesIEEE Journal of Indoor and Seamless Positioning and Navigation10.1109/JISPIN.2023.32875081(39-52)Online publication date: 2023
  • (2021)Accurate Respiration Monitoring for Mobile Users With Commercial RFID DevicesIEEE Journal on Selected Areas in Communications10.1109/JSAC.2020.302060439:2(513-525)Online publication date: Feb-2021
  • (2021)Design of Real-Time Intelligent Monitoring Network for Water Environment Ecological Restoration based on MCGS2021 6th International Conference on Inventive Computation Technologies (ICICT)10.1109/ICICT50816.2021.9358649(454-458)Online publication date: 20-Jan-2021

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  1. A CSI-ratio model based house-level respiration monitoring system using COTS wifi devices

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    cover image ACM Conferences
    UbiComp/ISWC '19 Adjunct: Adjunct Proceedings of the 2019 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2019 ACM International Symposium on Wearable Computers
    September 2019
    1234 pages
    ISBN:9781450368698
    DOI:10.1145/3341162
    Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.

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    Publication History

    Published: 09 September 2019

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    Author Tags

    1. CSI-ratio model
    2. channel state information (CSI)
    3. respiration monitoring
    4. wifi

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    Overall Acceptance Rate 764 of 2,912 submissions, 26%

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    View all
    • (2023)Toward Low-Cost Passive Motion Tracking With One Pair of Commodity Wi-Fi DevicesIEEE Journal of Indoor and Seamless Positioning and Navigation10.1109/JISPIN.2023.32875081(39-52)Online publication date: 2023
    • (2021)Accurate Respiration Monitoring for Mobile Users With Commercial RFID DevicesIEEE Journal on Selected Areas in Communications10.1109/JSAC.2020.302060439:2(513-525)Online publication date: Feb-2021
    • (2021)Design of Real-Time Intelligent Monitoring Network for Water Environment Ecological Restoration based on MCGS2021 6th International Conference on Inventive Computation Technologies (ICICT)10.1109/ICICT50816.2021.9358649(454-458)Online publication date: 20-Jan-2021

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