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Radio frequency interference (RFI) and malicious jammers are a significant problem in our wireless world. Detecting RFI or jamming is typically performed with model-based statistical detection or AI-empowered algorithms that use an input…

信号处理 · 电气工程与系统科学 2025-07-29 Christos Ntemkas , Antonios Argyriou

Radio Frequency Fingerprinting Identification (RFFI) is a lightweight physical layer identity authentication technique. It identifies the radio-frequency device by analyzing the signal feature differences caused by the inevitable minor…

密码学与安全 · 计算机科学 2025-01-28 Donghong Cai , Jiahao Shan , Ning Gao , Bingtao He , Yingyang Chen , Shi Jin , Pingzhi Fan

Radio frequency fingerprint identification (RFFI) is becoming increasingly popular, especially in applications with constrained power, such as the Internet of Things (IoT). Due to subtle manufacturing variations, wireless devices have…

信号处理 · 电气工程与系统科学 2024-10-11 Lu Yang , Seyit Camtepe , Yansong Gao , Vicky Liu , Dhammika Jayalath

Radio frequency interference (RFI) detection and excision are key steps in the data-processing pipeline of the Five-hundred-meter Aperture Spherical radio Telescope (FAST). Because of its high sensitivity and large data rate, FAST requires…

天体物理仪器与方法 · 物理学 2020-06-14 Zhicheng Yang , Ce Yu , Jian Xiao , Bo Zhang

Radio Frequency fingerprinting enables a passive receiver to recognize and authenticate a transmitter without the need for cryptographic tools. Authentication is achieved by isolating specific features of the transmitted signal that are…

密码学与安全 · 计算机科学 2025-04-03 Muhammad Irfan , Savio Sciancalepore , Gabriele Oligeri

Frequency-modulated continuous-wave (FMCW) radar plays a pivotal role in the field of remote sensing. The increasing degree of FMCW radar deployment has increased the mutual interference, which weakens the detection capabilities of radars…

信号处理 · 电气工程与系统科学 2024-07-18 Ziang Zhang , Guangzhi Chen , Youlong Weng , Shunchuan Yang , Zhiyu Jia , Jingxuan Chen

Radio frequency interference (RFI) is a significant challenge faced by today's radio astronomers. While most past efforts were devoted to cleaning the RFI from the data, we develop a novel method for categorizing and cataloguing RFI for…

Radio-frequency interference (RFI) presents a significant obstacle to current radio interferometry experiments aimed at the Epoch of Reionization. RFI contamination is often several orders of magnitude brighter than the astrophysical…

天体物理仪器与方法 · 物理学 2025-03-05 Jade M. Ducharme , Jonathan C. Pober

Radio frequency fingerprint identification (RFFI) is an emerging method for authenticating Internet of Things (IoT) devices. RFFI exploits the intrinsic and unique hardware imperfections for classifying IoT devices. Deep learning-based RFFI…

密码学与安全 · 计算机科学 2025-12-16 Jie Ma , Junqing Zhang , Guanxiong Shen , Linning Peng , Alan Marshall

With the installation of next-generation phased array feed (PAF) receivers on radio telescopes, there is an urgent need to develop effective and computationally efficient radio frequency interference (RFI) mitigation methods for large-scale…

Jamming attacks pose a critical threat to wireless networks, yet existing detection methods remain largely unimodal, centralized and resource-intensive, limiting their performance, scalability, and deployment feasibility, respectively. To…

网络与互联网体系结构 · 计算机科学 2025-12-10 Ioannis Panitsas , Iason Ofeidis , Leandros Tassiulas

As radio telescopes become sensitive, radio frequency interference (RFI) is more and more serious for interesting signals of radio astronomy. There exist demands for developing an automatic, accurate and efficient RFI mitigation method.…

天体物理仪器与方法 · 物理学 2023-12-27 Qingguo Zeng , Xue Chen , Xiangru Li , J. L. Han , Chen Wang , D. J. Zhou , Tao Wang

In Internet of Things, where billions of devices with limited resources are communicating with each other, security has become a major stumbling block affecting the progress of this technology. Existing authentication schemes-based on…

信号处理 · 电气工程与系统科学 2020-12-08 Sekhar Rajendran , Zhi Sun , Feng Lin , Kui Ren

Because of the denser active use of the spectrum, and because of radio telescopes higher sensitivity, radio frequency interference (RFI) mitigation has become a sensitive topic for current and future radio telescope designs. Even if quite…

天体物理仪器与方法 · 物理学 2017-03-03 Dumez-Viou Cédric , Weber Rodolphe , Ravier Philippe

Radio frequency interference (RFI) is the principal factor limiting the sensitivities of radio telescopes, particularly at frequencies below 1 GHz. I present a conceptually new approach to mitigation of RFI in interferometric data. This has…

天体物理仪器与方法 · 物理学 2011-02-11 Ramana Athreya

Ground-based 21-cm experiments targeting the global signal from the periods of Cosmic Dawn (CD) and Epoch of Reionization (EoR) are susceptible to adverse effects presented by i) the ionosphere ii) antenna chromaticity induced by objects in…

天体物理仪器与方法 · 物理学 2023-08-08 Sonia Ghosh , Mayuri Sathyanarayana Rao , Saurabh Singh

Radio frequency fingerprint identification (RFFI) can uniquely classify wireless devices by analyzing the received signal distortions caused by the intrinsic hardware impairments. The state-of-the-art deep learning techniques such as…

信号处理 · 电气工程与系统科学 2021-11-30 Guanxiong Shen , Junqing Zhang , Alan Marshall , Mikko Valkama , Joseph Cavallaro

Passive space-borne radiometers operating in the 1400-1427 MHz protected frequency band face radio frequency interference (RFI) from terrestrial sources. With the growth of wireless devices and the appearance of new technologies, the…

机器学习 · 计算机科学 2023-04-27 Ali Owfi , Fatemeh Afghah

In this paper, constant false alarm rate (CFAR) detector-based approaches are proposed for interference mitigation of Frequency modulated continuous wave (FMCW) radars. The proposed methods exploit the fact that after dechirping and…

信号处理 · 电气工程与系统科学 2021-01-06 Jianping Wang

Radio Frequency Interference (RFI) increasingly contaminates the radio astronomy spectrum, often exceeding astronomical signal amplitudes by 50-70 dB. Reliable detection and mitigation are therefore essential for studies of faint transient…

天体物理仪器与方法 · 物理学 2026-05-08 Natalia A. Schmid , Sasanka Katreddi , Yechan Kweon
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