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Robust, low cost indoor positioning using magnetic resonant coupling

Published: 05 September 2012 Publication History

Abstract

We describe the design, implementation, and evaluation of an indoor positioning system based on resonant magnetic coupling. The system has an accuracy of less than 1 m2 and, because of the underlying physical principle, is robust with respect to disturbances such as people moving around or changes in room configuration. It consists of 16x16x16 cm transmitter coils, each able to cover an area of up to 50 m2, and provides location information to an arbitrary number of mobile receivers with an update rate of up to 30Hz. We evaluate the actual accuracy of the positioning with a robotic arm and show quantitatively that even large metallic objects have little effect on the signal. We then present an elaborate study of the performance of our system for the recognition of abstract locations such as "at the table", "in front of a cabinet". It comprises four different sites with a total of 100 individual locations some as little as 50 cm apart.

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cover image ACM Conferences
UbiComp '12: Proceedings of the 2012 ACM Conference on Ubiquitous Computing
September 2012
1268 pages
ISBN:9781450312240
DOI:10.1145/2370216
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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Published: 05 September 2012

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Author Tags

  1. H.3.4 systems and software
  2. localization
  3. oscillating magnetic fields
  4. scheduling
  5. sensor networks

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Ubicomp '12
Ubicomp '12: The 2012 ACM Conference on Ubiquitous Computing
September 5 - 8, 2012
Pennsylvania, Pittsburgh

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UbiComp '12 Paper Acceptance Rate 58 of 301 submissions, 19%;
Overall Acceptance Rate 764 of 2,912 submissions, 26%

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  • (2023)ProxiFitProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36109207:3(1-32)Online publication date: 27-Sep-2023
  • (2023)Demonstrating ProxiFit: Proximal Magnetic Sensing using a Single Commodity Mobile toward Holistic Weight Exercise MonitoringAdjunct Proceedings of the 2023 ACM International Joint Conference on Pervasive and Ubiquitous Computing & the 2023 ACM International Symposium on Wearable Computing10.1145/3594739.3610710(151-156)Online publication date: 8-Oct-2023
  • (2023)Development of Time-Multiplexed Magnetic-Induction Based Ranging Systems2023 IEEE Applied Sensing Conference (APSCON)10.1109/APSCON56343.2023.10101039(1-3)Online publication date: 23-Jan-2023
  • (2022)On Power Line Positioning SystemsSensors10.3390/s2220782722:20(7827)Online publication date: 14-Oct-2022
  • (2022)The State-of-the-Art Sensing Techniques in Human Activity Recognition: A SurveySensors10.3390/s2212459622:12(4596)Online publication date: 17-Jun-2022
  • (2022)iMag+: An Accurate and Rapidly Deployable Inertial Magneto-Inductive SLAM SystemIEEE Transactions on Mobile Computing10.1109/TMC.2021.306281321:10(3644-3655)Online publication date: 1-Oct-2022
  • (2022)End-to-End Sequential Indoor Localization Using Smartphone Inertial Sensors and WiFi2022 IEEE/SICE International Symposium on System Integration (SII)10.1109/SII52469.2022.9708854(566-571)Online publication date: 9-Jan-2022
  • (2021)Induced Magnetic Field-Based Indoor Positioning System for Underwater EnvironmentsSensors10.3390/s2106221821:6(2218)Online publication date: 22-Mar-2021
  • (2021)Indoor Positioning via Artificial Magnetic FieldsIEEE Transactions on Instrumentation and Measurement10.1109/TIM.2021.307332770(1-9)Online publication date: 2021
  • (2020)Long-Range Through-the-Wall Magnetoquasistatic Coupling and Application to Indoor Position SensingIEEE Antennas and Wireless Propagation Letters10.1109/LAWP.2020.296706919:3(507-511)Online publication date: Mar-2020
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