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In this survey paper, our goal is to discuss recent advances of compressive sensing (CS) based solutions in wireless sensor networks (WSNs) including the main ongoing/recent research efforts, challenges and research trends in this area. In…

信号处理 · 电气工程与系统科学 2019-01-23 Thakshila Wimalajeewa , Pramod K. Varshney

Wireless sensing technology has become prevalent in healthcare, smart homes, and autonomous driving due to its non-contact operation, penetration capabilities, and cost-effectiveness. As its applications expand, the technology faces…

The Internet of Things (IoT) has boomed in recent years, with an ever-growing number of connected devices and a corresponding exponential increase in network traffic. As a result, IoT devices have become potential witnesses of the…

网络与互联网体系结构 · 计算机科学 2023-05-19 Fabio Palmese , Alessandro E. C. Redondi

Wi-Fi technology has strong potentials in indoor and outdoor sensing applications, it has several important features which makes it an appealing option compared to other sensing technologies. This paper presents a survey on different…

人机交互 · 计算机科学 2024-01-02 A. M. Khalili , Abdel-Hamid Soliman , Md Asaduzzaman , Alison Griffiths

Human Action Recognition using WiFi Channel State Information (CSI) has emerged as an attractive alternative to vision-based methods due to its ubiquity, device-agnostic nature, and inherent privacy-preserving capabilities. However, the…

信号处理 · 电气工程与系统科学 2025-12-05 Gang Liu , Yanling Hao , Yixuan Zou

The ever evolving informatics technology has gradually bounded human and computer in a compact way. Understanding user behavior becomes a key enabler in many fields such as sedentary-related healthcare, human-computer interaction (HCI) and…

人机交互 · 计算机科学 2020-05-25 Yu Gu , Xiang Zhang , Zhi Liu , Fuji Ren

Machine learning drives Channel State Information (CSI)-based human sensing in modern wireless networks, enabling applications like device-free human activity recognition (HAR) and identification (HID). However, the susceptibility of these…

机器学习 · 计算机科学 2026-04-03 Shreevanth Krishnaa Gopalakrishnan , Stephen Hailes

In the field of artificial intelligence, self-supervised learning has demonstrated superior generalization capabilities by leveraging large-scale unlabeled datasets for pretraining, which is especially critical for wireless communication…

信号处理 · 电气工程与系统科学 2025-03-04 Jun Jiang , Wenjun Yu , Yunfan Li , Yuan Gao , Shugong Xu

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…

人机交互 · 计算机科学 2019-07-22 Fei Wang , Jianwei Feng , Yinliang Zhao , Xiaobin Zhang , Shiyuan Zhang , Jinsong Han

WiFi sensing is an emerging technology that utilizes wireless signals for various sensing applications. However, the reliance on supervised learning, the scarcity of labelled data, and the incomprehensible channel state information (CSI)…

信号处理 · 电气工程与系统科学 2024-10-04 B. Barahimi , H. Tabassum , M. Omer , O. Waqar

The pervasiveness of Wi-Fi signals provides significant opportunities for human sensing and activity recognition in fields such as healthcare. The sensors most commonly used for passive Wi-Fi sensing are based on passive Wi-Fi radar (PWR)…

信号处理 · 电气工程与系统科学 2022-09-09 Armand K. Koupai , Mohammud J. Bocus , Raul Santos-Rodriguez , Robert J. Piechocki , Ryan McConville

With the increasing need for wireless data transfer, Wi-Fi networks have rapidly grown in recent years providing high throughput and easy deployment. Nowadays, Access Points (APs) can be found easily wherever we go, therefore Wi-Fi sensing…

信号处理 · 电气工程与系统科学 2019-11-13 Danilo Avola , Marco Cascio , Luigi Cinque , Daniele Pannone

Traditional approaches to activity recognition involve the use of wearable sensors or cameras in order to recognise human activities. In this work, we extract fine-grained physical layer information from WiFi devices for the purpose of…

网络与互联网体系结构 · 计算机科学 2021-04-20 Hok-Shing Lau , Ryan McConville , Mohammud J. Bocus , Robert J. Piechocki , Raul Santos-Rodriguez

In recent years, Channel State Information (CSI), recognized for its fine-grained spatial characteristics, has attracted increasing attention in WiFi-based indoor localization. However, despite its potential, CSI-based approaches have yet…

人机交互 · 计算机科学 2025-04-25 Tianyu Zhang , Dongheng Zhang , Ruixu Geng , Xuecheng Xie , Shuai Yang , Yan Chen

Taking advantage of the rich information provided by Wi-Fi measurement setups, Wi-Fi-based human behavior sensing leveraging Channel State Information (CSI) measurements has received a lot of research attention in recent years. The…

人机交互 · 计算机科学 2021-08-03 Lingchao Guo , Zhaoming Lu , Xiangming Wen , Liming Wang , David Gesbert , Zijun Han

Wireless Sensor Networks (WSNs) have become increasingly valuable in various civil/military applications like industrial process control, civil engineering applications such as buildings structural strength monitoring, environmental…

Knowledge of information about the propagation channel in which a wireless system operates enables better, more efficient approaches for signal transmissions. Therefore, channel state information (CSI) plays a pivotal role in the system…

信息论 · 计算机科学 2018-12-04 Zhiyuan Jiang , Sheng Chen , Andreas F. Molisch , Rath Vannithamby , Sheng Zhou , Zhisheng Niu

This work presents a seminal approach for synthesizing images from WiFi Channel State Information (CSI) in through-wall scenarios. Leveraging the strengths of WiFi, such as cost-effectiveness, illumination invariance, and wall-penetrating…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Julian Strohmayer , Rafael Sterzinger , Christian Stippel , Martin Kampel

The recognition of human activities based on WiFi Channel State Information (CSI) enables contactless and visual privacy-preserving sensing in indoor environments. However, poor model generalization, due to varying environmental conditions…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Julian Strohmayer , Martin Kampel

Wireless sensing has made significant progress in tasks ranging from action recognition, vital sign estimation, pose estimation, etc. After over a decade of work, wireless sensing currently stands at the tipping point transitioning from…

机器学习 · 计算机科学 2024-12-09 Qunhang Fu , Fei Wang , Mengdie Zhu , Han Ding , Jinsong Han , Tony Xiao Han