Cluster-based RF fingerprint positioning using LTE and WLAN signal strengths
Mondal, R., Ristaniemi, T., & Turkka, J. (2017). Cluster-based RF fingerprint positioning using LTE and WLAN signal strengths. International Journal of Wireless Information Networks, 24(4), 413-423. https://doi.org/10.1007/s10776-017-0369-9
Date
2017Copyright
© Springer Science+Business Media, LLC 2017. This is a final draft version of an article whose final and definitive form has been published by Springer. Published in this repository with the kind permission of the publisher.
Wireless Local Area Network (WLAN) positioning has become a popular localization system due to its low-cost installation and widespread availability of WLAN access points. Traditional grid-based radio frequency (RF) fingerprinting (GRFF) suffers from two drawbacks. First it requires costly and non-efficient data collection and updating procedure; secondly the method goes through time-consuming data pre-processing before it outputs user position. This paper proposes Cluster-based RF Fingerprinting (CRFF) to overcome these limitations by using modified Minimization of Drive Tests data which can be autonomously collected by cellular operators from their subscribers. The effect of environmental changes and device variation on positioning accuracy has been carried out. Experimental results show that even under these variations CRFF can improve positioning accuracy by 15.46 and 22.30% in 95 percentile of positioning error as compared to that of GRFF and K-nearest neighbour methods respectively.
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Springer New York LLCISSN Search the Publication Forum
1068-9605Keywords
Publication in research information system
https://converis.jyu.fi/converis/portal/detail/Publication/27162357
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