NDLI: Are all the access points necessary in WLAN-based indoor positioning?

Content Provider	IEEE Xplore Digital Library
Author	Laitinen, E. Lohan, E.-S.
Copyright Year	2015
Description	Author affiliation: Tampere Univ. of Technol., Tampere, Finland (Laitinen, E.; Lohan, E.-S.)
Abstract	Wireless Local Area Networks are widely used for indoor localization purposes based on Received Signal Strength-based positioning algorithms, due to the increasing demands for Location-based Services indoors. A huge number of hearable Access Points can however increase the complexity of the positioning system and the difficulty of location estimation, since not all of the available Access Points carry useful or significant information. This paper focuses on Wireless Local Area Networks-based indoor location by taking into account the contribution of each hearable Access Point in the location estimation. Several criteria for Access Point selection are examined, and we will show what is the permissible reduction factor without a large deterioration in positioning performance and which criterion is optimal for use in Access Point removal. The fingerprinting estimation method and the deconvolution based path loss positioning approach are both addressed, and the results are based on a large measurement campaign covering five different buildings with several floors each, in two countries.
Starting Page	1
Ending Page	6
File Size	1932725
Page Count	6
File Format	PDF
ISBN	9781479998586
ISSN	23250771
DOI	10.1109/ICL-GNSS.2015.7217150
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-22
Publisher Place	Sweden
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Training Deconvolution Buildings Estimation Fingerprint recognition MIMO Loss measurement
Content Type	Text
Resource Type	Article

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