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IEICE TRANSACTIONS on Information

An Improved BPNN Method Based on Probability Density for Indoor Location

Rong FEI, Yufan GUO, Junhuai LI, Bo HU, Lu YANG

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Summary :

With the widespread use of indoor positioning technology, the need for high-precision positioning services is rising; nevertheless, there are several challenges, such as the difficulty of simulating the distribution of interior location data and the enormous inaccuracy of probability computation. As a result, this paper proposes three different neural network model comparisons for indoor location based on WiFi fingerprint - indoor location algorithm based on improved back propagation neural network model, RSSI indoor location algorithm based on neural network angle change, and RSSI indoor location algorithm based on depth neural network angle change - to raise accurately predict indoor location coordinates. Changing the action range of the activation function in the standard back-propagation neural network model achieves the goal of accurately predicting location coordinates. The revised back-propagation neural network model has strong stability and enhances indoor positioning accuracy based on experimental comparisons of loss rate (loss), accuracy rate (acc), and cumulative distribution function (CDF).

Publication
IEICE TRANSACTIONS on Information Vol.E106-D No.5 pp.773-785
Publication Date
2023/05/01
Publicized
2022/12/23
Online ISSN
1745-1361
DOI
10.1587/transinf.2022DLP0073
Type of Manuscript
Special Section PAPER (Special Section on Deep Learning Technologies: Architecture, Optimization, Techniques, and Applications)
Category
Positioning and Navigation

Authors

Rong FEI
  Xi'an University of Technology
Yufan GUO
  Xi'an University of Technology
Junhuai LI
  Xi'an University of Technology
Bo HU
  Hangzhou HollySys Automation Co., Ltd.
Lu YANG
  Xi'an University of Technology

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