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Cross-assistive approach for PDR and Wi-Fi positioning

Published: 13 September 2014 Publication History

Abstract

In indoor positioning using Wi-Fi, there is a problem that the accuracy is not stable by the occurrence of large errors. Large errors tend to occur when density of wireless LAN access points is low or the radio wave condition is unstable. Furthermore, as for positioning utilising smartphone, it takes a while to scan Wi-Fi beacons. Thereby, errors tend to occur while user is moving. Because it is difficult to observe exactly Wi-Fi beacons. Accordingly, the authors proposed Cross-Assistive Approach for PDR and Wi-Fi Positioning. First of all, fingerprinting that is often used Wi-Fi positioning is improved by confining fingerprints to location where is estimated by PDR. As a result, this approach improved the accuracy about 2 meters. Furthermore, in order to correct accumulated errors in PDR, the authors proposed a method that corrects PDR with accurate Wi-Fi positioning results. Additionally, the authors proposed a method that estimates the accuracy of Wi-Fi positioning results. The mean error of accurate Wi-Fi results estimated by the accuracy estimating method was 0.98 meters. Thus, the accuracy estimating method detected accurate Wi-Fi positioning results effectively. In the comprehensive evaluation, our approach improved an existing Wi-Fi method about 3.4 meters by assisted PDR with Wi-Fi positioning and assisted Wi-Fi positioning with PDR cooperatively. Moreover, this approach enabled accumulated errors in PDR to be corrected.

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Cited By

View all
  • (2019)Autonomous Navigation Control of UAV Using Wireless Smart Meter DevicesJournal of Telecommunications and Information Technology10.26636/jtit.2019.1323192:2019(64-72)Online publication date: 28-Jun-2019
  • (2018)Multi-floor pedestrian navigation service based on a hybrid indoor positioning system2018 14th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob)10.1109/WiMOB.2018.8589133(1-9)Online publication date: Oct-2018
  • (2015)An Indoor Continuous Positioning Algorithm on the Move by Fusing Sensors and Wi-Fi on SmartphonesSensors10.3390/s15122985015:12(31244-31267)Online publication date: 11-Dec-2015
  • Show More Cited By

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Published In

cover image ACM Conferences
UbiComp '14 Adjunct: Proceedings of the 2014 ACM International Joint Conference on Pervasive and Ubiquitous Computing: Adjunct Publication
September 2014
1409 pages
ISBN:9781450330473
DOI:10.1145/2638728
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 the author(s) 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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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 13 September 2014

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Author Tags

  1. Wi-Fi
  2. indoor positioning
  3. pedestrian dead reckoning

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  • Research-article

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UbiComp '14
UbiComp '14: The 2014 ACM Conference on Ubiquitous Computing
September 13 - 17, 2014
Washington, Seattle

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

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Cited By

View all
  • (2019)Autonomous Navigation Control of UAV Using Wireless Smart Meter DevicesJournal of Telecommunications and Information Technology10.26636/jtit.2019.1323192:2019(64-72)Online publication date: 28-Jun-2019
  • (2018)Multi-floor pedestrian navigation service based on a hybrid indoor positioning system2018 14th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob)10.1109/WiMOB.2018.8589133(1-9)Online publication date: Oct-2018
  • (2015)An Indoor Continuous Positioning Algorithm on the Move by Fusing Sensors and Wi-Fi on SmartphonesSensors10.3390/s15122985015:12(31244-31267)Online publication date: 11-Dec-2015
  • (2015)Evaluation of cross-assistive approach for PDR and Wi-Fi positioning in the real environmentAdjunct Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2015 ACM International Symposium on Wearable Computers10.1145/2800835.2801614(1433-1441)Online publication date: 7-Sep-2015

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