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Intelligent AP selection for indoor positioning in wireless local area network

  • Zhian Deng*
  • , Lin Ma
  • , Yubin Xu
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Indoor positioning system in wireless local area network (WLAN) has been receiving increasing interest in pervasive computing applications. To keep balance between energy consumption on client device and positioning accuracy, AP selection strategy is always proposed to select the most discriminant APs for positioning. In this paper, we propose an intelligent AP selection method based on joint location information gain. In contrast to traditional AP selection methods which measure the discriminant ability of APs independently, we consider it jointly. By considering the correlation of the discriminant ability between different APs, more accurate measure of the discriminant ability can be taken. Besides, support vector regression (SVR) positioning algorithm is combined to estimate the location. Experiments are carried in a realistic WLAN indoor environment. Experimental results show that, by using the intelligent AP selection method, the proposed positioning algorithm maintains a high-level accuracy while reducing the energy consumption on client device significantly.

Original languageEnglish
Title of host publicationProceedings of the 2011 6th International ICST Conference on Communications and Networking in China, CHINACOM 2011
Pages257-261
Number of pages5
DOIs
StatePublished - 2011
Event2011 6th International ICST Conference on Communications and Networking in China, CHINACOM 2011 - Harbin, China
Duration: 17 Aug 201119 Aug 2011

Publication series

NameProceedings of the 2011 6th International ICST Conference on Communications and Networking in China, CHINACOM 2011

Conference

Conference2011 6th International ICST Conference on Communications and Networking in China, CHINACOM 2011
Country/TerritoryChina
CityHarbin
Period17/08/1119/08/11

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • AP selection
  • indoor positioning
  • support vector regression
  • wireless local area network (WLAN)

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