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WFID: Passive Device-free Human Identification Using WiFi Signal

Published: 28 November 2016 Publication History

Abstract

We present WFID, a passive device-free indoor human identification system with one pair of WiFi signal transmitter and receiver. WFID design is motivated by the observation that PHY layer Channel State Information (CSI) is capable of capturing the frequency diversity of wideband channel, such that the human body curve may be uniquely identified by learning the feature pattern of CSI. Different from many CSI-based techniques focusing on phase shift, we propose a novel feature of subcarrier-amplitude frequency (SAF). Based on this feature, WFID realizes human identification through a linear-kernel SVM. We have implemented a prototype of WFID with a commercial AP and a computer equipped with one Intel 5300 NIC. WFID is evaluated in two typical indoor scenarios. The results confirm that WFID achieves high classification accuracy which is permanent over several days under two typical indoor scenarios, with low computation cost. This reveals the potential for WFID to realize real-time indoor human identification.

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  1. WFID: Passive Device-free Human Identification Using WiFi Signal

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    cover image ACM Other conferences
    MOBIQUITOUS 2016: Proceedings of the 13th International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services
    November 2016
    307 pages
    ISBN:9781450347501
    DOI:10.1145/2994374
    Permission to make digital or hard copies of all or part 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 components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Publication History

    Published: 28 November 2016

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    Author Tags

    1. Channel State Information
    2. Device-free
    3. Frequency Diversity
    4. Identification

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    • Research-article
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    • Refereed limited

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    MOBIQUITOUS 2016
    MOBIQUITOUS 2016: Computing, Networking and Services
    November 28 - December 1, 2016
    Hiroshima, Japan

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    MOBIQUITOUS 2016 Paper Acceptance Rate 26 of 87 submissions, 30%;
    Overall Acceptance Rate 26 of 87 submissions, 30%

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    Cited By

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    • (2024)freeGait: Liberalizing Wireless-based Gait Recognition to Mitigate Non-gait Human BehaviorsProceedings of the Twenty-fifth International Symposium on Theory, Algorithmic Foundations, and Protocol Design for Mobile Networks and Mobile Computing10.1145/3641512.3686362(241-250)Online publication date: 14-Oct-2024
    • (2024)WiFiLeaks: Exposing Stationary Human Presence Through a Wall With Commodity Mobile DevicesIEEE Transactions on Mobile Computing10.1109/TMC.2023.332834923:6(6997-7011)Online publication date: Jun-2024
    • (2024)DCS-Gait: A Class-Level Domain Adaptation Approach for Cross-Scene and Cross-State Gait Recognition Using Wi-Fi CSIIEEE Transactions on Information Forensics and Security10.1109/TIFS.2024.335682719(2997-3007)Online publication date: 2024
    • (2024)WiFi-Based Indoor Human Activity Sensing: A Selective Sensing Strategy and a Multilevel Feature Fusion ApproachIEEE Internet of Things Journal10.1109/JIOT.2024.339770811:18(29335-29347)Online publication date: 15-Sep-2024
    • (2024)A Survey on Human Profile Information Inference via Wireless SignalsIEEE Communications Surveys & Tutorials10.1109/COMST.2024.337339726:4(2577-2610)Online publication date: Dec-2025
    • (2024)CSI2PC: 3D Point Cloud Reconstruction Using CSI2024 IEEE 21st Consumer Communications & Networking Conference (CCNC)10.1109/CCNC51664.2024.10454882(254-259)Online publication date: 6-Jan-2024
    • (2024)Wi-Fi Sensing for Human Identification Through ESP32 Devices: An Experimental Study2024 IEEE 21st Consumer Communications & Networking Conference (CCNC)10.1109/CCNC51664.2024.10454655(206-209)Online publication date: 6-Jan-2024
    • (2024)Wi-Fi Signals for Passive Human Identification: A Study of Three ActivitiesIEEE Access10.1109/ACCESS.2024.344323112(113087-113098)Online publication date: 2024
    • (2024)AirLock: Unlock in-air via hand rotation recognitionExpert Systems with Applications10.1016/j.eswa.2024.124330(124330)Online publication date: May-2024
    • (2024)Next Generation of Wi‐FiNext Generation of Bluetooth and Wi‐Fi10.1002/9781394306688.ch4(103-119)Online publication date: 15-Jul-2024
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