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• W4303982592 abstract "Purpose At present, smartphones are embedded with accelerometers, gyroscopes, magnetometers and WiFi sensors. Most researchers have delved into the use of these sensors for localization. However, there are still many problems in reducing fingerprint mismatching and fusing these positioning data. The purpose of this paper is to improve positioning accuracy by reducing fingerprint mismatching and designing a weighted fusion algorithm. Design/methodology/approach For the problem of magnetic mismatching caused by singularity fingerprint, derivative Euclidean distance uses adjacent fingerprints to eliminate the influence of singularity fingerprint. To improve the positioning accuracy and robustness of the indoor navigation system, a weighted extended Kalman filter uses a weighted factor to fuse multisensor data. Findings The scenes of the teaching building, study room and office building are selected to collect data to test the algorithm’s performance. Experiments show that the average positioning accuracies of the teaching building, study room and office building are 1.41 m, 1.17 m, and 1.77 m, respectively. Originality/value The algorithm proposed in this paper effectively reduces fingerprint mismatching and improve positioning accuracy by adding a weighted factor. It provides a feasible solution for indoor positioning." @default.
• W4303982592 created "2022-10-10" @default.
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• W4303982592 date "2022-10-11" @default.
• W4303982592 modified "2023-09-27" @default.
• W4303982592 title "A multisensor fusion algorithm of indoor localization using derivative Euclidean distance and the weighted extended Kalman filter" @default.
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• W4303982592 doi "https://doi.org/10.1108/sr-10-2021-0337" @default.
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