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- W4308287776 abstract "During the last decades, different studies highlighted the benefits of acquiring channel state cognition based on the environmental context of mobile users or devices. Thanks to this cognition, cellular networks can optimize themselves and personalize the delivered services and in turn, offer a better quality of experience to users. This benefit for mobile networks will come only if the environments are detected with high accuracy, short delays and minimal implementation cost. However, accurate environment detection is challenging for mobile networks as real-life situations are numerous, complex and dynamic. In this paper, we investigate the detection of mobile users' environment, in real-life situations, using machine learning classification methods on time series data. To attain the highest accuracy, while using limited length of time series, we propose using a heuristic method to account for the typical user behavior when he or she changes environment. For this, a new module, called User Behavioral Optimizer, is investigated and combined with time series models. It detects erroneous user behaviour predictions output by the machine learning models and then corrects some of them. Experiments are done using real radio data, that has been massively gathered from diverse real situations of mobile users. Experiments show that machine learning on time series data using our behavioral optimizer and heuristic allows to detect indoor/outdoor with F1- score, up to around 94.8%." @default.
- W4308287776 created "2022-11-10" @default.
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- W4308287776 date "2022-10-17" @default.
- W4308287776 modified "2023-10-18" @default.
- W4308287776 title "Indoor-Outdoor Detection using Time Series Classification and User Behavioral Cognition" @default.
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- W4308287776 doi "https://doi.org/10.23919/wmnc56391.2022.9954290" @default.
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