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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

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…

Information Theory · Computer Science 2024-05-22 Vishnu V. Ratnam , Hao Chen , Hao Hsuan Chang , Abhishek Sehgal , Jianzhong , Zhang

Proximity detection in indoor environments based on WiFi signals has gained significant attention in recent years. Existing works rely on the dynamic signal reflections and their extracted features are dependent on motion strength. To…

Signal Processing · Electrical Eng. & Systems 2024-05-01 Yuqian Hu , Guozhen Zhu , Beibei Wang , K. J. Ray Liu

Deep learning has significantly advanced wireless sensing technology by leveraging substantial amounts of high-quality training data. However, collecting wireless sensing data encounters diverse challenges, including unavoidable data noise,…

Signal Processing · Electrical Eng. & Systems 2023-12-25 Hanxiang He , Han Hu , Xintao Huan , Heng Liu , Jianping An , Shiwen Mao

Wireless communications are characterized by their unpredictability, posing challenges for maintaining consistent communication quality. This paper presents a comprehensive analysis of various prediction models, with a focus on achieving…

Networking and Internet Architecture · Computer Science 2025-09-24 Gabriele Formis , Gianluca Cena , Lukasz Wisniewski , Stefano Scanzio

WiFi-based human sensing has exhibited remarkable potential to analyze user behaviors in a non-intrusive and device-free manner, benefiting applications as diverse as smart homes and healthcare. However, most previous works focus on…

Signal Processing · Electrical Eng. & Systems 2024-03-13 Shuokang Huang , Kaihan Li , Di You , Yichong Chen , Arvin Lin , Siying Liu , Xiaohui Li , Julie A. McCann

The advent of the wireless communications systems augurs new cutting-edge technologies, including self-driving vehicles, unmanned aerial systems, autonomous robots, Internet-of-Things, and virtual reality. These technologies require high…

Signal Processing · Electrical Eng. & Systems 2020-09-11 Youness Arjoune , Saleh Faruque

Thanks to the ubiquitousness of Wi-Fi access points and devices, Wi-Fi sensing enables transformative applications in remote health care, security, and surveillance. Existing work has explored the usage of machine learning on channel state…

Networking and Internet Architecture · Computer Science 2022-04-21 Niloofar Bahadori , Jonathan Ashdown , Francesco Restuccia

This paper introduces a Wi-Fi signal based passive wireless sensing system that has the capability to detect diverse indoor human movements, from whole body motions to limb movements and including breathing movements of the chest. The real…

Signal Processing · Electrical Eng. & Systems 2022-04-14 Bo Tan , Alison Burrows , Robert Piechocki , Ian Craddock , Karl Woodbridge , Kevin Chetty

Artificial intelligence (AI) powered wireless networks promise to revolutionize the conventional operation and structure of current networks from network design to infrastructure management, cost reduction, and user performance improvement.…

Information Theory · Computer Science 2020-05-05 Ursula Challita , Henrik A. Ryden , Hugo Tullberg

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…

Signal Processing · Electrical Eng. & Systems 2025-06-06 Guozhen Zhu , Yuqian Hu , Chenshu Wu , Wei-Hsiang Wang , Beibei Wang , K. J. Ray Liu

The development of wireless sensing technologies, using signals such as Wi-Fi, infrared, and RF to gather environmental data, has significantly advanced within Internet of Things (IoT) systems. Among these, Radio Frequency (RF) sensing…

Signal Processing · Electrical Eng. & Systems 2024-11-26 Li Wang , Chao Zhang , Qiyang Zhao , Hang Zou , Samson Lasaulce , Giuseppe Valenzise , Zhuo He , Merouane Debbah

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 ongoing evolution of 5G and its enhanced version, 5G+, has significantly transformed the telecommunications landscape, driving an unprecedented demand for ultra-high-speed data transmission, ultra-low latency, and resilient…

Signal Processing · Electrical Eng. & Systems 2026-05-28 Yasir Ali , Tayyab Manzoor , Huan Yang , Chenhang Yan , Yuanqing Xia

Intelligent signal processing for wireless communications is a vital task in modern wireless systems, but it faces new challenges because of network heterogeneity, diverse service requirements, a massive number of connections, and various…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Quoc-Viet Pham , Nhan Thanh Nguyen , Thien Huynh-The , Long Bao Le , Kyungchun Lee , Won-Joo Hwang

Artificial intelligence (AI) has become a key enabler for next-generation wireless communication systems, offering powerful tools to cope with the increasing complexity, dynamics, and heterogeneity of modern wireless environments. To…

Signal Processing · Electrical Eng. & Systems 2026-05-01 Peng Yi , Ying-Chang Liang

This paper introduces the first wireless gesture recognition system that operates using existingWi-Fi signals and devices. To achieve this, we first identify limitations of existing wireless gesture recognition approaches that limit their…

Human-Computer Interaction · Computer Science 2014-11-21 Rajalakshmi Nandakumar , Bryce Kellogg , Shyamnath Gollakota

Next-generation (NG) wireless networks must embrace innate intelligence in support of demanding emerging applications, such as extended reality and autonomous systems, under ultra-reliable and low-latency requirements. Pinching antennas…

Networking and Internet Architecture · Computer Science 2025-11-12 Fang Fang , Zhiguo Ding , Victor C. M. Leung , Lajos Hanzo

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…

Networking and Internet Architecture · Computer Science 2022-04-13 Sheng Tan , Jie Yang

The past few years have witnessed the great potential of exploiting channel state information retrieved from commodity WiFi devices for respiration monitoring. However, existing approaches only work when the target is close to the WiFi…

Signal Processing · Electrical Eng. & Systems 2019-08-13 Youwei Zeng , Dan Wu , Jie Xiong , Enze Yi , Ruiyang Gao , Daqing Zhang