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Human motion recognition (HMR) based on wireless sensing is a low-cost technique for scene understanding. Current HMR systems adopt support vector machines (SVMs) and convolutional neural networks (CNNs) to classify radar signals. However,…

Information Theory · Computer Science 2021-04-22 Guoliang Li , Shuai Wang , Jie Li , Rui Wang , Xiaohui Peng , Tony Xiao Han

Radio sensing in the sub-10 GHz spectrum offers unique advantages over traditional vision-based systems, including the ability to see through occlusions and preserve user privacy. However, the limited availability of spectrum in this range…

Networking and Internet Architecture · Computer Science 2026-03-05 Kunzhe Song , Maxime Zingraff , Huacheng Zeng

In automotive systems, a radar is a key component of autonomous driving. Using transmit and reflected radar signal by a target, we can capture the target range and velocity. However, when interference signals exist, noise floor increases…

Signal Processing · Electrical Eng. & Systems 2019-11-13 Jiwoo Mun , Heasung Kim , Jungwoo Lee

Deep learning-based RF fingerprinting has recently been recognized as a potential solution for enabling newly emerging wireless network applications, such as spectrum access policy enforcement, automated network device authentication, and…

Signal Processing · Electrical Eng. & Systems 2022-01-10 Abdurrahman Elmaghbub , Bechir Hamdaoui

We present an approach for autonomous sensor control for information gathering under partially observable, dynamic and sparsely sampled environments that maximizes information about entities present in that space. We describe our approach…

Artificial Intelligence · Computer Science 2023-05-24 J. Brian Burns , Aravind Sundaresan , Pedro Sequeira , Vidyasagar Sadhu

We present NeWRF, a deep learning framework for predicting wireless channels. Wireless channel prediction is a long-standing problem in the wireless community and is a key technology for improving the coverage of wireless network…

Networking and Internet Architecture · Computer Science 2024-06-18 Haofan Lu , Christopher Vattheuer , Baharan Mirzasoleiman , Omid Abari

WiFi and security pose both an issue and act as a growing presence in everyday life. Today's motions detection implementations are severely lacking in the areas of secrecy, scope, and cost. To combat this problem, we aim to develop a motion…

Signal Processing · Electrical Eng. & Systems 2019-08-23 Sadhana Lolla , Amy Zhao

The widespread mobile devices facilitated the emergence of many new applications and services. Among them are location-based services (LBS) that provide services based on user's location. Several techniques have been presented to enable LBS…

Signal Processing · Electrical Eng. & Systems 2018-11-30 Peyman Yazdanian , Vahid Pourahmadi

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,…

Networking and Internet Architecture · Computer Science 2025-01-22 Khandaker Foysal Haque , Milin Zhang , Francesca Meneghello , Francesco Restuccia

In recent years WiFi became the primary source of information to locate a person or device indoor. Collecting RSSI values as reference measurements with known positions, known as WiFi fingerprinting, is commonly used in various positioning…

Machine Learning · Computer Science 2023-07-18 Kahraman Kostas , Rabia Yasa Kostas , Francisco Zampella , Firas Alsehly

The demand for device-free indoor localization using commercial Wi-Fi devices has rapidly increased in various fields due to its convenience and versatile applications. However, random frequency offset (RFO) in wireless channels poses…

Signal Processing · Electrical Eng. & Systems 2023-04-14 Wen Liu , An-Hung Hsiao , Li-Hsiang Shen , Kai-Ten Feng

Human Activity Recognition (HAR) is an emerging technology with several applications in surveillance, security, and healthcare sectors. Noninvasive HAR systems based on Wi-Fi Channel State Information (CSI) signals can be developed…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Ishtiaque Ahmed Showmik , Tahsina Farah Sanam , Hafiz Imtiaz

We propose a novel approach for mitigating radio frequency interference (RFI) signals in radio data using the latest advances in deep learning. We employ a special type of Convolutional Neural Network, the U-Net, that enables the…

Instrumentation and Methods for Astrophysics · Physics 2017-01-16 Joel Akeret , Chihway Chang , Aurelien Lucchi , Alexandre Refregier

Signal recognition is a spectrum sensing problem that jointly requires detection, localization in time and frequency, and classification. This is a step beyond most spectrum sensing work which involves signal detection to estimate "present"…

Signal Processing · Electrical Eng. & Systems 2021-10-04 Nathan West , Timothy O'Shea , Tamoghna Roy

Deep learning-based (DL-based) channel state information (CSI) feedback for a Massive multiple-input multiple-output (MIMO) system has proved to be a creative and efficient application. However, the existing systems ignored the wireless…

Signal Processing · Electrical Eng. & Systems 2021-10-13 Haozhen Li , Boyuan Zhang , Xin Liang , Haoran Chang , Xinyu Gu , Lin Zhang

The Internet of Things (IoT) is ubiquitous thanks to the rapid development of wireless technologies. However, the broadcast nature of wireless transmissions results in great vulnerability to device authentication. Physical layer…

Machine Learning · Computer Science 2026-03-24 Yijia Guo , Junqing Zhang , Y. -W. Peter Hong

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)…

Signal Processing · Electrical Eng. & Systems 2022-09-09 Armand K. Koupai , Mohammud J. Bocus , Raul Santos-Rodriguez , Robert J. Piechocki , Ryan McConville

Considered as a data-driven approach, Fingerprinting Localization Solutions (FPSs) enjoy huge popularity due to their good performance and minimal environment information requirement. This papers addresses applications of artificial…

Networking and Internet Architecture · Computer Science 2018-03-23 Linchen Xiao , Arash Behboodi , Rudolf Mathar

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

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…

Signal Processing · Electrical Eng. & Systems 2019-11-13 Danilo Avola , Marco Cascio , Luigi Cinque , Daniele Pannone