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In this paper, we critically review the potential of today's terrestrial wireless communication systems including wireless cellular technologies (GSM, UMTS, LTE, NR), wireless local area networks (WLANs), and wireless sensor networks…

Signal Processing · Electrical Eng. & Systems 2022-12-01 Tomaž Javornik , Andrej Hrovat , Aleš Švigelj

This paper presents DeepCRF, a new framework that harnesses deep learning to extract subtle micro-signals from channel state information (CSI) measurements, enabling robust and resilient radio-frequency fingerprinting (RFF) of…

Signal Processing · Electrical Eng. & Systems 2024-11-12 Ruiqi Kong , He Chen

WiFi is widely implemented in campus wide including administrative, teaching and student's accommodation. Wireless communications are associated with interconnect devices which includes cellular networks, infrared, bluetooth and WiFi…

Networking and Internet Architecture · Computer Science 2010-04-27 Norrozila Sulaiman , Che Yahaya Yaakub

Wireless sensor networks are finally becoming a reality. In this paper, we present a scalable architecture for using wireless sensor networks in combination with wireless Ethernet networks to provide a complete end-to-end solution to narrow…

Networking and Internet Architecture · Computer Science 2007-05-23 Ioan Raicu , Owen Richter , Loren Schwiebert , Sherali Zeadally

In this paper, we consider people counting and localization systems exploiting channel state information (CSI) measured from commodity WiFi network interface cards (NICs). While CSI has useful information of amplitude and phase to describe…

Information Theory · Computer Science 2026-05-01 Jihoon Cha , Hwanjin Kim , Junil Choi

With the popularity of commercial wireless devices, the research based on RF signal has developed rapidly in the past decade. RF signals have great advantages in environmental perception. Wireless signals are transmitted through the…

Networking and Internet Architecture · Computer Science 2022-03-24 Jiaren Xiao

In the era of 5G communication, the knowledge of channel state information (CSI) is crucial for enhancing network performance. This paper explores the utilization of language models for spatial CSI prediction within MIMO-OFDM systems. We…

Machine Learning · Computer Science 2024-11-28 Shun Hu

Traditional global positioning systems often underperform indoors, whereas Wi-Fi has become an effective medium for various radio sensing services. Specifically, utilizing channel state information (CSI) from Wi-Fi networks provides a…

Signal Processing · Electrical Eng. & Systems 2024-12-04 Pei Tang , Jingtao Guo , Ivan Wang-Hei Ho

In this study, we leveraged Channel State Information (CSI), commonly utilized in WLAN communication, as training data to develop and evaluate five distinct machine learning models for recognizing human postures: standing, sitting, and…

Signal Processing · Electrical Eng. & Systems 2024-09-13 Tomoya Tanaka , Ayumu Yabuki , Mizuki Funakoshi , Ryo Yonemoto

Development and testing of multi-robot systems employing wireless signal-based sensing requires access to suitable hardware, such as channel monitoring WiFi transceivers, which can pose significant limitations. The WiFi Sensor for Robotics…

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

Wi-Fi sensing has become an attractive option for non-invasive monitoring of human activities and vital signs. This paper explores the feasibility of using state-of-the-art commercial off-the-shelf (COTS) devices for Wi-Fi sensing…

Information Theory · Computer Science 2024-10-23 Jiuyu Liu , Yi Ma , Rahim Tafazolli

The air interface technology plays a crucial role in optimizing the communication quality for users. To address the challenges brought by the radio channel variations to air interface design, this article proposes a framework of wireless…

Signal Processing · Electrical Eng. & Systems 2024-10-01 Jianhua Zhang , Yichen Cai , Li Yu , Zhen Zhang , Yuxiang Zhang , Jialin Wang , Tao Jiang , Liang Xia , Ping Zhang

The next generations of wireless networks are envisioned to integrate communications, sensing, and computing into a unified platform, demanding ultra-high data rates, submillisecond latency, and unprecedented energy efficiency. However,…

This paper considers a wireless sensor network deployed to sense an environment variable with a known spatial statistical profile. We propose to use the additional information of the spatial profile to improve the sensing range of sensors…

Information Theory · Computer Science 2020-04-29 Kaushlendra Pandey , Abhishek Gupta

Emotion is well-recognized as a distinguished symbol of human beings, and it plays a crucial role in our daily lives. Existing vision-based or sensor-based solutions are either obstructive to use or rely on specialized hardware, hindering…

Human-Computer Interaction · Computer Science 2019-08-28 Yu Gu , Yantong Wang , Tao Liu , Yusheng Ji , Zhi Liu , Peng Li , Xiaoyan Wang , Xin An , Fuji Ren

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…

Information Theory · Computer Science 2018-12-04 Zhiyuan Jiang , Sheng Chen , Andreas F. Molisch , Rath Vannithamby , Sheng Zhou , Zhisheng Niu

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…

Signal Processing · Electrical Eng. & Systems 2019-01-23 Thakshila Wimalajeewa , Pramod K. Varshney

To promote the practicality of deep learning-based localization, existing studies aim to address the issue of scenario dependence through meta-learning. However, these studies primarily focus on variations in environmental layouts while…

Machine Learning · Computer Science 2025-11-19 Qiqi Xiao , Ziqi Ye , Yinghui He , Jianwei Liu , Guanding Yu

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…

Information Theory · Computer Science 2024-09-10 Borna Barahimi , Hakam Singh , Hina Tabassum , Omer Waqar , Mohammad Omer
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