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Related papers: Device-Free Human State Estimation using UWB Multi…

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Classification between different activities in an indoor environment using wireless signals is an emerging technology for various applications, including intrusion detection, patient care, and smart home. Researchers have shown different…

Information Theory · Computer Science 2021-02-10 B. R. Manoj , Guoda Tian , Sara Gunnarsson , Fredrik Tufvesson , Erik G. Larsson

As commercial interest in proximity services increased, the development of various wireless localization techniques was promoted. In line with this trend, Ultra-wideband (UWB) is emerging as a promising solution that can realize proximity…

Signal Processing · Electrical Eng. & Systems 2024-02-14 Junyoung Choi , Sagnik Bhattacharya

Having been studied for more than a decade, Wi-Fi human sensing still faces a major challenge in the presence of multiple persons, simply because the limited bandwidth of Wi-Fi fails to provide a sufficient range resolution to physically…

Networking and Internet Architecture · Computer Science 2023-08-22 Jingzhi Hu , Tianyue Zheng , Zhe Chen , Hongbo Wang , Jun Luo

While it is often critical for indoor-location- and proximity-aware applications to know whether a user is in a space or not (e.g., a specific room or office), a key challenge is that the difference between standing on one side or another…

Human-Computer Interaction · Computer Science 2020-02-04 Scott A. Carter , Daniel Avrahami , Nami Tokunaga

Radar based assisted living has received great amount of research interest in recent years. By employing the micro-Doppler features of indoor human motions, accurate recognition and classification of different types of movements become…

Signal Processing · Electrical Eng. & Systems 2020-01-30 Qiang An , Shuoguang Wang , Wenji Zhang , Hao Lv , Jianqi Wang , Shiyong Li , Ahmad Hoorfar

Monitoring breathing rates and patterns helps in the diagnosis and potential avoidance of various health problems. Current solutions for respiratory monitoring, however, are usually invasive and/or limited to medical facilities. In this…

Other Computer Science · Computer Science 2015-05-12 Heba Abdelnasser , Khaled A. Harras , Moustafa Youssef

Advances in embedded devices and wireless sensor networks have resulted in new and inexpensive health care solutions. This paper describes the implementation and the evaluation of a wireless body sensor system that monitors human…

Other Computer Science · Computer Science 2010-07-15 Chao Chen , Carlos Pomalaza-Raez

The indoor radio propagation channel is typically modeled as a two-state time-variant process where one of the states represents the channel when the environment is static, whereas the other state characterizes the medium when it is altered…

Other Computer Science · Computer Science 2014-02-28 Ossi Kaltiokallio , Hüseyin Yiğitler , Riku Jäntti

This paper presents GoPose, a 3D skeleton-based human pose estimation system that uses WiFi devices at home. Our system leverages the WiFi signals reflected off the human body for 3D pose estimation. In contrast to prior systems that need…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Yili Ren , Jie Yang

Wireless sensor networks are dynamically formed over the varying topologies. Wireless sensor networks can assist in conducting the rescue operations and can provide search in timely manner. Long time monitoring applications are environment…

Networking and Internet Architecture · Computer Science 2016-08-26 Anubha Parashar , Susheel Kumar , Vinay S Bhaskar , Rajni Chinia

In recent years, the number of Internet of Things (IoT) devices in smart homes has rapidly increased. A key challenge affecting user experience is how to enable users to efficiently and intuitively select the devices they wish to control.…

Human-Computer Interaction · Computer Science 2025-11-06 Zhaoxin Chang , Fusang Zhang , Jie Xiong , Ziyu Li , Badii Jouaber , Daqing Zhang

Localization of an autonomous mobile robot during planetary exploration is challenging due to the unknown terrain, the difficult lighting conditions and the lack of any global reference such as satellite navigation systems. We present a…

Wearable sensors inWireless Body Area Networks (WBANs) provide health and physical activity monitoring. Modern communication systems have extended this monitoring remotely. In this survey, various types of wearable sensors discussed, their…

Systems and Control · Computer Science 2016-11-15 A. Rehman , M. Mustafa , N. Javaid , U. Qasim , Z. A. Khan

This paper leverages the potential of Large Intelligent Surface (LIS) for radio sensing in 6G wireless networks. Major research has been undergone about its communication capabilities but it can be exploited as a formidable tool for radio…

Signal Processing · Electrical Eng. & Systems 2022-02-07 Cristian J. Vaca-Rubio , Pablo Ramirez-Espinosa , Kimmo Kansanen , Zheng-Hua Tan , Elisabeth de Carvalho

In this paper a concept of hybrid Bluetooth Low Energy (BLE) Ultra-wideband (UWB) positioning system is presented. The system is intended to be energy efficient. Low energy BLE unit is used as a primary source of measurement data and for…

Signal Processing · Electrical Eng. & Systems 2024-04-04 Marcin Kolakowski

Quasi-static human activities such as lying, standing or sitting produce very low Doppler shifts and highly spread radar signatures, making them difficult to detect with conventional constant-false-alarm rate (CFAR) detectors tuned for…

Signal Processing · Electrical Eng. & Systems 2026-02-17 Huy Trinh , George Shaker

Determining assets position with high accuracy and scalability is one of the most investigated technology on the market. The accuracy provided by satellites-based positioning systems (i.e., GLONASS or Galileo) is not always sufficient when…

Signal Processing · Electrical Eng. & Systems 2022-02-16 Luca Santoro , Matteo Nardello , Davide Brunelli , Daniele Fontanelli

The demand for device-free indoor localization using commercial Wi-Fi devices has rapidly increased in various fields due to its convenience and versatile applications. However, random frequency offset (RFO) in wireless channels poses…

Signal Processing · Electrical Eng. & Systems 2023-04-14 Wen Liu , An-Hung Hsiao , Li-Hsiang Shen , Kai-Ten Feng

Indoor localization has become increasingly important due to its wide-ranging applications in indoor navigation, emergency services, the Internet of Things (IoT), and accessibility for individuals with special needs. Traditional…

Networking and Internet Architecture · Computer Science 2025-01-03 Mohamed I. Hany , Hamada Rizk , Moustafa Youssef

Recent years have witnessed the rapid development in the research topic of WiFi sensing that automatically senses human with commercial WiFi devices. This work falls into two major categories, i.e., the activity recognition and the indoor…

Human-Computer Interaction · Computer Science 2019-07-22 Fei Wang , Jianwei Feng , Yinliang Zhao , Xiaobin Zhang , Shiyuan Zhang , Jinsong Han