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Related papers: WiFiTrace: Network-based Contact Tracing for Infec…

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Contact tracing is a very powerful method to implement and enforce social distancing to avoid spreading of infectious diseases. The traditional approach of contact tracing is time consuming, manpower intensive, dangerous and prone to error…

Machine Learning · Computer Science 2020-04-29 Manish Shukla , Rajan M A , Sachin Lodha , Gautam Shroff , Ramesh Raskar

While commonly used for communication purposes, an increasing number of recent studies consider WiFi for sensing. In particular, wireless signals are altered (e.g., reflected and attenuated) by the human body and objects in the environment.…

Networking and Internet Architecture · Computer Science 2022-04-08 Philipp H. Kindt , Cristian Turetta , Florenc Demrozi , Alejandro Masrur , Graziano Pravadelli , Samarjit Chakraborty

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

Contact tracing data collected from disease outbreaks has received relatively little attention in the epidemic modelling literature because it is thought to be unreliable: infection sources might be wrongly attributed, or data might be…

Methodology · Statistics 2012-03-16 Chris Jewell , Gareth Roberts

WiFi sensing technology has shown superiority in smart homes among various sensors for its cost-effective and privacy-preserving merits. It is empowered by Channel State Information (CSI) extracted from WiFi signals and advanced machine…

Networking and Internet Architecture · Computer Science 2022-12-13 Jianfei Yang , Xinyan Chen , Han Zou , Dazhuo Wang , Lihua Xie

In this article, we present a survey of recent advances in passive human behaviour recognition in indoor areas using the channel state information (CSI) of commercial WiFi systems. Movement of human body causes a change in the wireless…

Artificial Intelligence · Computer Science 2017-08-25 Siamak Yousefi , Hirokazu Narui , Sankalp Dayal , Stefano Ermon , Shahrokh Valaee

Wi-Fi sensing has been used to detect and track movements in an environment, resulting in the emergence of several innovative applications. Wi-Fi sensing can detect movement and locate objects by analyzing variations in the Wi-Fi signal due…

Networking and Internet Architecture · Computer Science 2024-06-04 Anirudha Sahoo , Tanguy Ropitault , Steve Blandino , Nada Golmie

Merging wireless traces is a fundamental step in measurement-based studies involving multiple packet sniffers. Existing merging tools either require a wired infrastructure or are limited in their usability. We propose WiPal, an offline…

Networking and Internet Architecture · Computer Science 2008-12-23 Thomas Claveirole , Marcelo Dias de Amorim

IoT environments such as smart homes are susceptible to privacy inference attacks, where attackers can analyze patterns of encrypted network traffic to infer the state of devices and even the activities of people. While most existing…

Cryptography and Security · Computer Science 2025-12-09 Ronghua Li , Shinan Liu , Haibo Hu , Qingqing Ye , Nick Feamster

Identifying "superspreaders" of disease is a pressing concern for society during pandemics such as COVID-19. Superspreaders represent a group of people who have much more social contacts than others. The widespread deployment of WLAN…

Social and Information Networks · Computer Science 2021-03-30 Cheng Zhang , Yunze Pan , Yunqi Zhang , Adam C. Champion , Zhaohui Shen , Dong Xuan , Zhiqiang Lin , Ness B. Shroff

The use of WiFi signals to sense the physical environment is gaining popularity, with some common applications being motion detection and transmitter localization. Standard-compliant WiFi provides a cost effective, easy and…

Information Theory · Computer Science 2024-08-30 Florian Euchner , Stephan ten Brink

The most frequent infectious diseases in humans - and those with the highest potential for rapid pandemic spread - are usually transmitted via droplets during close proximity interactions (CPIs). Despite the importance of this transmission…

We propose and evaluate an immuno-inspired approach to misbehavior detection in ad hoc wireless networks. Node misbehavior can be the result of an intrusion, or a software or hardware failure. Our approach is motivated by co-stimulatory…

Networking and Internet Architecture · Computer Science 2010-06-18 Martin Drozda , Sebastian Schildt , Sven Schaust , Helena Szczerbicka

Active sensing refers to the process of choosing or tuning a set of sensors in order to track an underlying system in an efficient and accurate way. In a wireless environment, among the several kinds of features extracted by traditional…

Information Theory · Computer Science 2016-05-30 Alessandro Biason , Urbashi Mitra , Michele Zorzi

Contact tracing has been considered as an effective measure to limit the transmission of infectious disease such as COVID-19. Trajectory-based contact tracing compares the trajectories of users with the patients, and allows the tracing of…

Databases · Computer Science 2023-03-07 Maocheng Li , Yuxiang Zeng , Libin Zheng , Lei Chen , Qing Li

As elderly population grows, social and health care begin to face validation challenges, in-home monitoring is becoming a focus for professionals in the field. Governments urgently need to improve the quality of healthcare services at lower…

Signal Processing · Electrical Eng. & Systems 2020-09-22 Lingchao Guo , Zhaoming Lu , Shuang Zhou , Xiangming Wen , Zhihong He

Controlling the spread of infectious diseases, such as the ongoing SARS-CoV-2 pandemic, is one of the most challenging problems for human civilization. The world is more populous and connected than ever before, and therefore, the rate of…

Cryptography and Security · Computer Science 2022-01-31 Shamiul Alam , Md Shafayat Hossain , Ahmedullah Aziz

WiFi-based sensing has aroused immense attention over recent years. The rationale is that the signal fluctuations caused by humans carry the information of human behavior which can be extracted from the channel state information of WiFi.…

Machine Learning · Computer Science 2021-11-30 Xie Zhang , Chengpei Tang , Yasong An , Kang Yin

Wi-Fi signals-based person identification attracts increasing attention in the booming Internet-of-Things era mainly due to its pervasiveness and passiveness. Most previous work applies gaits extracted from WiFi distortions caused by the…

Signal Processing · Electrical Eng. & Systems 2019-07-22 Fei Wang , Jinsong Han , Feng Lin , Kui Ren

Information about the spatiotemporal flow of humans within an urban context has a wide plethora of applications. Currently, although there are many different approaches to collect such data, there lacks a standardized framework to analyze…

Machine Learning · Computer Science 2020-12-23 Zann Koh , Yuren Zhou , Billy Pik Lik Lau , Chau Yuen , Bige Tuncer , Keng Hua Chong
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