Cited by 38Indoor and Outdoor Localization TechnologiesHuman Mobility and Location-Based AnalysisIPv6, Mobility, Handover, Networks, Security

Unsupervised WiFi-Enabled IoT Device-User Association for Personalized Location-Based Service

Zou, Han, Zhou, Yuxun, Yang, Jianfei, Spanos, Costas J.·2019·IEEE Internet of Things Journal

Abstract

A fundamental building block toward personalized location-based service and context-aware service in smart buildings is the knowledge about the identity and mobility of users in indoor environments. Conventional user identification systems require the deployment of dedicated infrastructure or the active user involvement. Motivated by the widespread usage of the WiFi-enabled mobile device (MD), e.g., people usually carry at least one MD in their daily lives, in this paper, we propose WinDUA, a WiFi-enabled nonintrusive device and user association scheme to infer user identity and mobility via a novel unsupervised association learning algorithm. First, we utilize our WiFi-based indoor positioning system to obtain the historical location data of each MD using only existing WiFi infrastructure in a nonintrusive manner. Then, we classify all the MDs into two categories: 1) static device (SD) and 2) mobile phone (MP), according to their location variations and overnight presences. Subsequently, we estimate the correct mapping between each SD and its user through hierarchical clustering and location similarity matching between its location and user's personal space. Finally, we make possible pairs of MP and SD according to their duration of coexistence as well as the historical location similarity to associate the owner of each MP. Real-world experiments are conducted in an office, verifying that WinDUA is able to associate the MD to the correct users in a nonintrusive and unsupervised manner.

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Crossref · 10.1109/jiot.2018.2868648

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  • Occupancy detection represents an opportunity for ML algorithms, ranging from decision trees to deep neural networks using various inputs.

    “Moreover, occupancy detection itself represents an opportunity for ML algorithms, ranging from decision trees [193,882] to deep neural networks [896] that take input from occupancy sensors [193], WiFi signals [896,897], or appliance power consumption data [882].”

    From Tackling climate change with machine learning (2023) · cites this paper as [897]

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Authors
Zou, H., Zhou, Y., Yang, J., & Spanos, C. J.
Affiliations
  • University of California, Berkeley (US)
  • Nanyang Technological University (SG)
Venue
IEEE Internet of Things Journal
Published
2019-02
Volume
6
Issue
1
Pages
1238-1245
ISSN
  • 2327-4662 (ISSN-L)
  • 2372-2541
OpenAlex
W2891205429
Cited by
38
References
48
Citations by year
2026: 1 · 2025: 1 · 2024: 4 · 2023: 4 · 2022: 11 · 2021: 5 · 2020: 6 · 2019: 6
FWCI
1.63
Type
journal article
Language
en
Open access
closed
Locations
IEEE Internet of Things Journal (publishedVersion)
Funders
  • 2018 Seed Fund Award from CITRIS
  • University of California
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Indoor and Outdoor Localization Technologies
  • Social Sciences › Transportation › Human Mobility and Location-Based Analysis
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › IPv6, Mobility, Handover, Networks, Security
Keywords
user identification, hierarchical clustering, smart buildings

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