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Wi-Fi sensing is an emerging technology that uses channel state information (CSI) from ambient Wi-Fi signals to monitor human activity without the need for dedicated sensors. Wi-Fi sensing does not only represent a pivotal technology in…

网络与互联网体系结构 · 计算机科学 2025-05-07 Paolo Cerutti , Fabio Palmese , Marco Cominelli , Alessandro E. C. Redondi

The IoT vision of ubiquitous and pervasive computing gives rise to future smart irrigation systems comprising physical and digital world. Smart irrigation ecosystem combined with Machine Learning can provide solutions that successfully…

WiFi technology has been applied to various places due to the increasing requirement of high-speed Internet access. Recently, besides network services, WiFi sensing is appealing in smart homes since it is device-free, cost-effective and…

网络与互联网体系结构 · 计算机科学 2022-08-23 Jianfei Yang , Xinyan Chen , Han Zou , Dazhuo Wang , Qianwen Xu , Lihua Xie

WiFi-based home monitoring has emerged as a compelling alternative to traditional camera- and sensor-based solutions, offering wide coverage with minimal intrusion by leveraging existing wireless infrastructure. This paper presents key…

信号处理 · 电气工程与系统科学 2025-06-06 Guozhen Zhu , Yuqian Hu , Chenshu Wu , Wei-Hsiang Wang , Beibei Wang , K. J. Ray Liu

Wi-Fi technology has evolved from simple communication routers to sensing devices. Wi-Fi sensing leverages conventional Wi-Fi transmissions to extract and analyze channel state information (CSI) for applications like proximity detection,…

信号处理 · 电气工程与系统科学 2025-07-08 Ahmed Y. Radwan , Mustafa Yildirim , Navid Hasanzadeh , Hina Tabassum , Shahrokh Valaee

Thanks to the ubiquitous deployment of Wi-Fi hotspots, channel state information (CSI)-based Wi-Fi sensing can unleash game-changing applications in many fields, such as healthcare, security, and entertainment. However, despite one decade…

网络与互联网体系结构 · 计算机科学 2023-02-03 Marco Cominelli , Francesco Gringoli , Francesco Restuccia

Due to its ubiquitous and contact-free nature, the use of WiFi infrastructure for performing sensing tasks has tremendous potential. However, the channel state information (CSI) measured by a WiFi receiver suffers from errors in both its…

信息论 · 计算机科学 2024-05-22 Vishnu V. Ratnam , Hao Chen , Hao Hsuan Chang , Abhishek Sehgal , Jianzhong , Zhang

Hand washing is a crucial part of personal hygiene. Hand washing detection is a relevant topic for wearable sensing with applications in the medical and professional fields. Hand washing detection can be used to aid workers in complying…

人机交互 · 计算机科学 2025-05-28 Robin Burchard , Kristof Van Laerhoven

Wi-Fi sensing has emerged as a significant technology in wireless sensing and Integrated Sensing and Communication (ISAC), offering benefits such as low cost, high penetration, and enhanced privacy. Currently, it is widely utilized in…

信号处理 · 电气工程与系统科学 2025-05-13 Zijian Zhao

Owing to the plentiful information released by the commodity devices, WiFi signals have been widely studied for various wireless sensing applications. In many works, both received signal strength indicator (RSSI) and the channel state…

信号处理 · 电气工程与系统科学 2022-03-25 Bo Wei , Hang Song , Jiro Katto , Takamaro Kikkawa

A novel chipless RFID humidity sensor based on a finite Artificial Impedance Surface (AIS) is presented. The unit cell of the AIS is composed of three concentric loops thus obtaining three deep and high Q nulls in the electromagnetic…

The prevalence of WiFi devices and ubiquitous coverage of WiFi networks provide us the opportunity to extend WiFi capabilities beyond communication, particularly in sensing the physical environment. In this paper, we survey the evolution of…

网络与互联网体系结构 · 计算机科学 2022-04-13 Sheng Tan , Jie Yang

The popularity of Internet-of-Things (IoT) has provided us with unprecedented opportunities to enable a variety of emerging services in a smart home environment. Among those services, sensing the liquid level in a container is critical to…

信号处理 · 电气工程与系统科学 2021-06-22 Yili Ren , Jie Yang

WiFi-enabled Internet-of-Things (IoT) devices are evolving from mere communication devices to sensing instruments, leveraging Channel State Information (CSI) extraction capabilities. Nevertheless, resource-constrained IoT devices and the…

信息论 · 计算机科学 2024-09-10 Borna Barahimi , Hakam Singh , Hina Tabassum , Omer Waqar , Mohammad Omer

The application of machine learning (ML) techniques in wireless communication domain has seen a tremendous growth over the years especially in the wireless sensing domain. However, the questions surrounding the ML model's inference…

信号处理 · 电气工程与系统科学 2022-10-13 Amit Kachroo , Sai Prashanth Chinnapalli

The metrology field has been progressed with the appearance of the wireless intelligent sensor systems providing more capabilities such as signal processing, remote multi-sensing fusion etc. This kind of devices is rapidly making their way…

网络与互联网体系结构 · 计算机科学 2014-09-26 Saad Chakkor , El Ahmadi Cheikh , Mostafa Baghouri , Abderrahmane Hajraoui

In this paper, we propose BeamSense, a completely novel approach to implement standard-compliant Wi-Fi sensing applications. Wi-Fi sensing enables game-changing applications in remote healthcare, home entertainment, and home surveillance,…

网络与互联网体系结构 · 计算机科学 2025-01-22 Khandaker Foysal Haque , Milin Zhang , Francesca Meneghello , Francesco Restuccia

Compressive sensing (CS) is a promising technology for realizing energy-efficient wireless sensors for long-term health monitoring. However, conventional model-driven CS frameworks suffer from limited compression ratio and reconstruction…

机器学习 · 计算机科学 2016-12-19 Kai Xu , Yixing Li , Fengbo Ren

Passive sensing techniques based on Wi-Fi signals have emerged as a promising technology in advanced wireless communication systems due to their widespread application and cost-effectiveness. However, the proliferation of low-cost Internet…

系统与控制 · 电气工程与系统科学 2023-11-13 Junshuo Liu , Fuhai Wang , Zhe Li , Rujing Xiong , Tiebin Mi , Robert Caiming Qiu

Compressive sensing (CS) is a promising technology for realizing energy-efficient wireless sensors for long-term health monitoring. In this paper, we propose a data-driven CS framework that learns signal characteristics and individual…

信息论 · 计算机科学 2016-12-20 Kai Xu , Yuhao Wang , Yixing Li , Fengbo Ren
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