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author:

Yuan, Yazhou (Yuan, Yazhou.) [1] | Liu, Xun (Liu, Xun.) [2] | Liu, Zhixin (Liu, Zhixin.) [3] | He, Zhi (He, Zhi.) [4] | Xu, Zhezhuang (Xu, Zhezhuang.) [5] (Scholars:徐哲壮)

Indexed by:

EI SCIE

Abstract:

Wi-Fi fingerprint-based indoor localization has recently attracted significant research interest since Wi-Fi devices are widely deployed and practical, and no additional infrastructure is required. However, the Received Signal Strength (RSS) is significantly different on heterogeneous devices, and this difference has a negative impact on localization results. In this paper, we propose a multi-fingerprint and multi-classifier fusion (MFMCF) localization method to improve the localization accuracy and solve the problem of heterogeneous hardware. First, the individual feature set of original RSS fingerprint, signal strength difference (SSD) fingerprint and hyperbolic location fingerprint (HLF) are fused as a composite fingerprint set (CFS), and then the data dimension is reduced by linear discriminant analysis (LDA). Second, three representative machine learning algorithms including K-Nearest Neighbor (KNN), Support Vector Machine (SVM) and Random Forest (RF) are selected and trained to construct an integrated fusion model. Finally, in order to get more accurate predictions, in the online phase, a selective strategy based on entropy is proposed by calculating the entropy of each classifier's prediction result. Experiments show that MFMCF is an effective scheme to solve the localization problem of heterogeneous devices and improve the localization accuracy.

Keyword:

Device heterogeneity fingerprint transformation indoor localization multi-classifier

Community:

  • [ 1 ] [Yuan, Yazhou]Yanshan Univ, Sch Elect Engn, Qinhuangdao 066004, Hebei, Peoples R China
  • [ 2 ] [Liu, Xun]Yanshan Univ, Sch Elect Engn, Qinhuangdao 066004, Hebei, Peoples R China
  • [ 3 ] [Liu, Zhixin]Yanshan Univ, Sch Elect Engn, Qinhuangdao 066004, Hebei, Peoples R China
  • [ 4 ] [He, Zhi]Yanshan Univ, Sch Elect Engn, Qinhuangdao 066004, Hebei, Peoples R China
  • [ 5 ] [Xu, Zhezhuang]Fuzhou Univ, Sch Elect Engn & Automat, Fuzhou 350000, Peoples R China

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Source :

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY

ISSN: 0018-9545

Year: 2022

Issue: 11

Volume: 71

Page: 12117-12127

6 . 8

JCR@2022

6 . 1 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:66

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 3

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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