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- W4288280053 abstract "Given that the accuracy of range-based positioning techniques generally increases with the number of available anchor nodes, it is important to secure more of these nodes. To this end, this paper studies an unsupervised learning technique to obtain the coordinates of unknown nodes that coexist with anchor nodes. As users use the location services in an area of interests, the proposed method automatically discovers unknown nodes and estimates their coordinates. In addition, this method learns an appropriate calibration curve to correct the distortion of raw distance measurements. As such, the positioning accuracy can be greatly improved using more anchor nodes and well-calibrated distance measurements. The performance of the proposed method was verified using commercial Wi-Fi devices in a practical indoor environment. The experiment results show that the coordinates of unknown nodes and the calibration curve are simultaneously determined without any ground truth data." @default.
- W4288280053 created "2022-07-28" @default.
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- W4288280053 date "2019-07-22" @default.
- W4288280053 modified "2023-09-29" @default.
- W4288280053 title "Unsupervised Learning Technique to Obtain the Coordinates of Wi-Fi Access Points" @default.
- W4288280053 doi "https://doi.org/10.48550/arxiv.1907.09514" @default.
- W4288280053 hasPublicationYear "2019" @default.
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