期刊
JOURNAL OF INFORMATION AND TELECOMMUNICATION
卷 6, 期 2, 页码 163-216出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/24751839.2021.1975425
关键词
Deep learning; neural network; WiFi fingerprinting
资金
- University of Brighton's Connected Futures, Radical Futures' initiatives
- School of Computing, Engineering and Mathematics' QR grant
WiFi fingerprinting is a popular method for indoor positioning, and deep learning has emerged as a more accurate alternative in recent years. This survey reviews deep learning methods for WiFi fingerprinting and finds that despite new WiFi signal measures, RSS remains competitive and simple neural networks can outperform more complex ones in certain environments.
One of the most popular approaches for indoor positioning is WiFi fingerprinting, which has been intrinsically tackled as a traditional machine learning problem since the beginning, to achieve a few metres of accuracy on average. In recent years, deep learning has emerged as an alternative approach, with a large number of publications reporting sub-metre positioning accuracy. Therefore, this survey presents a timely, comprehensive review of the most interesting deep learning methods being used for WiFi fingerprinting. In doing so, we aim to identify the most efficient neural networks, under a variety of positioning evaluation metrics for different readers. We will demonstrate that despite the new emerging WiFi signal measures (i.e. CSI and RTT), RSS produces competitive performances under deep learning. We will also show that simple neural networks outperform more complex ones in certain environments.
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