Human activity sensing with wireless signals: A survey

J Liu, G Teng, F Hong - Sensors, 2020 - mdpi.com
Wireless networks have been widely deployed with a high demand for wireless data traffic.
The ubiquitous availability of wireless signals brings new opportunities for non-intrusive …

Digital twin: Values, challenges and enablers from a modeling perspective

A Rasheed, O San, T Kvamsdal - IEEE access, 2020 - ieeexplore.ieee.org
Digital twin can be defined as a virtual representation of a physical asset enabled through
data and simulators for real-time prediction, optimization, monitoring, controlling, and …

Towards environment independent device free human activity recognition

W Jiang, C Miao, F Ma, S Yao, Y Wang… - Proceedings of the 24th …, 2018 - dl.acm.org
Driven by a wide range of real-world applications, significant efforts have recently been
made to explore device-free human activity recognition techniques that utilize the …

SignFi: Sign language recognition using WiFi

Y Ma, G Zhou, S Wang, H Zhao, W Jung - Proceedings of the ACM on …, 2018 - dl.acm.org
We propose SignFi to recognize sign language gestures using WiFi. SignFi uses Channel
State Information (CSI) measured by WiFi packets as the input and a Convolutional Neural …

mD-Track: Leveraging multi-dimensionality for passive indoor Wi-Fi tracking

Y Xie, J Xiong, M Li, K Jamieson - The 25th Annual International …, 2019 - dl.acm.org
Wi-Fi localization and tracking face accuracy limitations dictated by antenna count (for angle-
of-arrival methods) and frequency bandwidth (for time-of-arrival methods). This paper …

Smartphone-Based Portable Bio-Chemical Sensors: Exploring Recent Advancements

TH Bui, B Thangavel, M Sharipov, K Chen, JH Shin - Chemosensors, 2023 - mdpi.com
Traditionally, analytical chemistry and diagnosis relied on wet laboratories and skilled
professionals utilizing sophisticated instruments for sample handling and analysis. However …

IndoTrack: Device-free indoor human tracking with commodity Wi-Fi

X Li, D Zhang, Q Lv, J Xiong, S Li, Y Zhang… - Proceedings of the ACM …, 2017 - dl.acm.org
Indoor human tracking is fundamental to many real-world applications such as security
surveillance, behavioral analysis, and elderly care. Previous solutions usually require …

Towards position-independent sensing for gesture recognition with Wi-Fi

R Gao, M Zhang, J Zhang, Y Li, E Yi, D Wu… - Proceedings of the …, 2021 - dl.acm.org
Past decades have witnessed the extension of the Wi-Fi signals as a useful tool sensing
human activities. One common assumption behind it is that there is a one-to-one mapping …

Personal voice assistant security and privacy—a survey

P Cheng, U Roedig - Proceedings of the IEEE, 2022 - ieeexplore.ieee.org
Personal voice assistants (PVAs) are increasingly used as interfaces to digital environments.
Voice commands are used to interact with phones, smart homes, or cars. In the United …

Strata: Fine-grained acoustic-based device-free tracking

S Yun, YC Chen, H Zheng, L Qiu, W Mao - Proceedings of the 15th …, 2017 - dl.acm.org
Next generation devices, such as virtual reality (VR), augmented reality (AR), and smart
appliances, demand a simple and intuitive way for users to interact with them. To address …