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SPOT demo: multi-entity device-free WLAN localization

Published: 22 August 2012 Publication History

Abstract

Device-free (DF) localization in WLANs has been introduced as a value-added service that allows tracking indoor entities that do not carry any devices. Previous work in DF WLAN localization focused on the tracking of a single entity due to the intractability of the multi-entity tracking problem whose complexity grows exponentially with the number of humans being tracked. We present a demonstration of Spot as an accurate and efficient system for multi-entity DF detection and tracking. Spot is based on a probabilistic energy minimization framework that combines a conditional random field with a Markov model to capture the temporal and spatial relations between the entities' poses. A novel cross-calibration technique is used to reduce the calibration overhead of multiple entities to linear, regardless of the number of humans being tracked. The demo presents the different components of the system in action.

Reference

[1]
M.Youssef, M.Mah, and A.Agrawala. Challenges: Device-Free Passive Localization for Wireless Environments. In MobiCom '07: Proceedings of the 13th annual ACM international conference on Mobile computing and networking, pages 222--229. New York, NY, USA, 2007.

Cited By

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  • (2016)Device-Free Home Intruder Detection and Alarm System Using Wi-Fi Channel State InformationInternational Journal of Future Computer and Communication10.18178/ijfcc.2016.5.4.4685:4(180-186)Online publication date: 2016
  • (2016)CoSDEO 2016 Keynote: A decade later — Challenges: Device-free passive localization for wireless environments2016 IEEE International Conference on Pervasive Computing and Communication Workshops (PerCom Workshops)10.1109/PERCOMW.2016.7457113(1-2)Online publication date: Mar-2016
  • (2013)Enabling wide deployment of GSM localization over heterogeneous phones2013 IEEE International Conference on Communications (ICC)10.1109/ICC.2013.6655634(6396-6400)Online publication date: Jun-2013

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Published In

cover image ACM Conferences
WiNTECH '12: Proceedings of the seventh ACM international workshop on Wireless network testbeds, experimental evaluation and characterization
August 2012
108 pages
ISBN:9781450315272
DOI:10.1145/2348688

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 22 August 2012

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Author Tags

  1. Markov models
  2. binary graph-cut
  3. conditional random fields
  4. energy minimization
  5. multi-entity device-free tracking

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  • Demonstration

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Mobicom'12
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Overall Acceptance Rate 63 of 100 submissions, 63%

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Cited By

View all
  • (2016)Device-Free Home Intruder Detection and Alarm System Using Wi-Fi Channel State InformationInternational Journal of Future Computer and Communication10.18178/ijfcc.2016.5.4.4685:4(180-186)Online publication date: 2016
  • (2016)CoSDEO 2016 Keynote: A decade later — Challenges: Device-free passive localization for wireless environments2016 IEEE International Conference on Pervasive Computing and Communication Workshops (PerCom Workshops)10.1109/PERCOMW.2016.7457113(1-2)Online publication date: Mar-2016
  • (2013)Enabling wide deployment of GSM localization over heterogeneous phones2013 IEEE International Conference on Communications (ICC)10.1109/ICC.2013.6655634(6396-6400)Online publication date: Jun-2013

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