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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

Leaks represent a very important hazard for the buildings and they can affect all sorts of building materials and specially wood due to its hygroscopic properties. Excessive moisture content can affect in a negative way building processes…

Other Computer Science · Computer Science 2013-07-04 Ivan Arakistain , Jose Miguel Abascal , Oriol Munne

In this paper, the application of hierarchical wireless sensor networks in water quality monitoring is investigated. Adopting a hierarchical structure, the set of sensors is divided into multiple clusters where the value of the sensing…

Signal Processing · Electrical Eng. & Systems 2018-03-13 Ebrahim Karami , Francis M. Bui , Ha H. Nguyen

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…

Machine Learning · Computer Science 2024-12-09 Qunhang Fu , Fei Wang , Mengdie Zhu , Han Ding , Jinsong Han , Tony Xiao Han

Transmit beamforming is one of the key techniques used in the existing IEEE 802.11 WiFi standards and future generations such as 11be and 11bn, a.k.a., ultra high reliability (UHR). The paper gives an overview of the current standardization…

Signal Processing · Electrical Eng. & Systems 2025-03-04 Ziming He

Wireless Sensor Networks (WSNs) are being used in various applications such as structural health monitoring and industrial control. Since energy efficiency is one of the major design factors, the existing WSNs primarily rely on low-power,…

Networking and Internet Architecture · Computer Science 2024-08-05 Chia-Chi Li , Vikram K. Ramanna , Daniel Webber , Cole Hunter , Tyler Hack , Behnam Dezfouli

The paper targets the problem of human motion detection using Wireless Local Area Network devices (WiFi) equipped with pattern reconfigurable antennas. Motion sensing is obtained by monitoring the body-induced alterations of the ambient…

Networking and Internet Architecture · Computer Science 2022-05-03 Marco Santoboni , Riccardo Bersan , Stefano Savazzi , Alberto Zecchin , Vittorio Rampa Daniele Piazza

In this letter, a weighted minimum mean square error (WMMSE) empowered integrated sensing and communication (ISAC) system is investigated. One transmitting base station and one receiving wireless access point are considered to serve…

Signal Processing · Electrical Eng. & Systems 2024-01-22 Yizhou Peng , Songjie Yang , Wanting Lyu , Ya Li , Hongjun He , Zhongpei Zhang , Chadi Assi

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

This paper presents an approach to integrate wireless sensor networks (WSN) with the LabVIEW graphical development environment through a dedicated software driver. As personal constribution, a system architecture and concept implementation…

Networking and Internet Architecture · Computer Science 2013-05-28 Grigore Stamatescu , Valentin Sgârciu

Accurate channel state information (CSI) underpins reliable and efficient wireless communication. However, acquiring CSI via pilot estimation incurs substantial overhead, especially in massive multiple-input multiple-output (MIMO) systems…

Information Theory · Computer Science 2025-12-05 Guangming Liang , Mingjie Yang , Dongzhu Liu , Paul Henderson , Lajos Hanzo

Wireless local area networks (WLANs) empowered by IEEE 802.11 (Wi-Fi) hold a dominant position in providing Internet access thanks to their freedom of deployment and configuration as well as the existence of affordable and highly…

Networking and Internet Architecture · Computer Science 2022-10-07 Szymon Szott , Katarzyna Kosek-Szott , Piotr Gawłowicz , Jorge Torres Gómez , Boris Bellalta , Anatolij Zubow , Falko Dressler

In industrial environments, data acquisition accuracy is crucial for process control and optimization. Wireless telemetry has proven to be a valuable tool for improving efficiency in well-testing operations, enabling bidirectional…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Marcos Soto

We propose a WiFi Channel State Information (CSI) sensing framework for multi-station deployments that addresses two fundamental challenges in practical CSI sensing: station-wise feature missingness and limited labeled data. Feature…

Machine Learning · Computer Science 2026-03-25 Keita Kayano , Takayuki Nishio , Daiki Yoda , Yuta Hirai , Tomoko Adachi

WiFi-based smart human sensing technology enabled by Channel State Information (CSI) has received great attention in recent years. However, CSI-based sensing systems suffer from performance degradation when deployed in different…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Dazhuo Wang , Jianfei Yang , Wei Cui , Lihua Xie , Sumei Sun

Using commodity WiFi data for applications such as indoor localization, object identification and tracking and channel sounding has recently gained considerable attention. We study the problem of channel impulse response (CIR) estimation…

Information Theory · Computer Science 2020-11-23 Mahdi Barzegar Khalilsarai , Benedikt Gross , Stelios Stefanatos , Gerhard Wunder , Giuseppe Caire

Multisensor fusion of air pollutant data in smart buildings remains an important input to address the well-being and comfort perceived by their inhabitants. An integrated sensing system is part of a smart building where real-time indoor air…

Systems and Control · Electrical Eng. & Systems 2020-01-08 Q. P. Ha , S. Metia , M. D. Phung

In this paper, we explore the use of channel state information (CSI) from a WiFi system to estimate the breathing rate of a person in a room. In order to extract WiFi CSI components that are sensitive to breathing, we propose to consider…

Signal Processing · Electrical Eng. & Systems 2025-02-19 Sitian Li , Andreas Toftegaard Kristensen , Andreas Burg , Alexios Balatsoukas-Stimming

Wi-Fi sensing has emerged as a versatile tool for tasks such as localization, gesture recognition, and vital-sign monitoring, enabling applications from smart environments to personalized healthcare. However, sensing accuracy often…

Signal Processing · Electrical Eng. & Systems 2026-05-27 Fabian Portner , Francesco Gringoli , Matthias Hollick , Arash Asadi

Integrated sensing, computation, and communication (ISCC) has been recently considered as a promising technique for beyond 5G systems. In ISCC systems, the competition for communication and computation resources between sensing tasks for…

Information Theory · Computer Science 2023-06-07 Yinghui He , Guanding Yu , Yunlong Cai , Haiyan Luo