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Research in underwater communication is rapidly becoming attractive due to its various modern applications. An efficient mechanism to secure such communication is via physical layer security. In this paper, we propose a novel physical layer…

信号处理 · 电气工程与系统科学 2023-03-14 Waqas Aman , Saif Al-Kuwari , Marwa Qaraqe

In this paper, we investigate the sensing-aided physical layer security (PLS) towards Integrated Sensing and Communication (ISAC) systems. A well-known limitation of PLS is the need to have information about potential eavesdroppers (Eves).…

信号处理 · 电气工程与系统科学 2022-10-18 Nanchi Su , Fan Liu , Christos Masouros

Camouflaged object detection (COD) aims to segment objects that blend into their surroundings. However, most existing studies overlook the semantic differences among textual prompts of different targets as well as fine-grained frequency…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Dezhen Wang , Haixiang Zhao , Xiang Shen , Sheng Miao

Traditional authentication in radio-frequency (RF) systems enable secure data communication within a network through techniques such as digital signatures and hash-based message authentication codes (HMAC), which suffer from key recovery…

密码学与安全 · 计算机科学 2018-06-20 Baibhab Chatterjee , Debayan Das , Shovan Maity , Shreyas Sen

Physical layer (PHY) steganography conceals secrets by making subtle modifications to transmitted radio waveforms, which can be applied to establish covert communication systems. Given the widespread deployment of Wi-Fi infrastructures,…

信号处理 · 电气工程与系统科学 2026-04-23 Jiamu Guo , Hailang Jia , Guanxiong Shen , Junqing Zhang , Linning Peng , Liquan Chen

Detecting AI-generated images across unseen architectures remains challenging, as existing models often overfit to generator-specific fingerprints and semantic content rather than learning universal forgery traces. We attribute this failure…

计算机视觉与模式识别 · 计算机科学 2026-05-18 Zhiyuan Wang , Yanxiang Chen , Pengcheng Zhao , Yunfeng Diao , Xin Liao

Irregular propagation environments with complex scattering effects challenge traditional ray-tracing-based localization. However, the environment's complexity enables solutions based on wave fingerprints (WFPs). Yet, since WFPs rely on the…

应用物理 · 物理学 2020-11-13 Philipp del Hougne

Radio frequency fingerprint identification (RFFI) is an emerging technique for the lightweight authentication of wireless Internet of things (IoT) devices. RFFI exploits deep learning models to extract hardware impairments to uniquely…

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

Malicious encryption techniques continue to evolve, bypassing conventional detection mechanisms that rely on static signatures or predefined behavioral rules. Spectral analysis presents an alternative approach that transforms system…

密码学与安全 · 计算机科学 2025-03-26 Dominica Ayanara , Atticus Hillingworth , Jonathan Casselbury , Dominic Montague

Empowered by deep neural networks (DNNs), Wi-Fi fingerprinting has recently achieved astonishing localization performance to facilitate many security-critical applications in wireless networks, but it is inevitably exposed to adversarial…

密码学与安全 · 计算机科学 2023-01-11 Fei Xiao , Yong Huang , Yingying Zuo , Wei Kuang , Wei Wang

Deep learning is an effective approach for performing radio frequency (RF) fingerprinting, which aims to identify the transmitter corresponding to received RF signals. However, beyond the intended receiver, malicious eavesdroppers can also…

信号处理 · 电气工程与系统科学 2025-03-07 Andrew Yuan , Rajeev Sahay

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 (RFF) identification on account of deep learning has the potential to enhance the security performance of wireless networks. Recently, several RFF datasets were proposed to satisfy requirements of large-scale…

信号处理 · 电气工程与系统科学 2022-06-17 Shupeng Zhang , Yibin Zhang , Xixi Zhang , Jinlong Sun , Yun Lin , Haris Gacanin , Fumiyuki Adachi , Guan Gui

Radio Frequency Fingerprinting (RFF) has evolved as an effective solution for authenticating devices by leveraging the unique imperfections in hardware components involved in the signal generation process. In this work, we propose a…

密码学与安全 · 计算机科学 2025-10-14 Raju Dhakal , Prashant Shekhar , Laxima Niure Kandel

We propose a technique to authenticate received packets in underwater acoustic networks based on the physical layer features of the underwater acoustic channel (UWAC). Several sensors a) locally estimate features (e.g., the number of taps…

信号处理 · 电气工程与系统科学 2024-05-24 Francesco Ardizzon , Roee Diamant , Paolo Casari , Stefano Tomasin

Few-shot Semantic Segmentation (FSS) aims to adapt a pretrained model to new classes with as few as a single labelled training sample per class. Despite the prototype based approaches have achieved substantial success, existing models are…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Song Tang , Shaxu Yan , Xiaozhi Qi , Jianxin Gao , Mao Ye , Jianwei Zhang , Xiatian Zhu

End-to-end semantic communications (ESC) rely on deep neural networks (DNN) to boost communication efficiency by only transmitting the semantics of data, showing great potential for high-demand mobile applications. We argue that central to…

信号处理 · 电气工程与系统科学 2023-05-15 Guoshun Nan , Zhichun Li , Jinli Zhai , Qimei Cui , Gong Chen , Xin Du , Xuefei Zhang , Xiaofeng Tao , Zhu Han , Tony Q. S. Quek

Website Fingerprinting (WF) aims to deanonymize users on the Tor network by analyzing encrypted network traffic. Recent deep-learning-based attacks show high accuracy on undefended traces. However, they struggle against modern defenses that…

密码学与安全 · 计算机科学 2024-12-17 Jiajun Gong , Wei Cai , Siyuan Liang , Zhong Guan , Tao Wang , Ee-Chien Chang

We present complex-valued Convolutional Neural Networks (CNNs) for RF fingerprinting that go beyond translation invariance and appropriately account for the inductive bias with respect to multipath propagation channels, a phenomenon that is…

信号处理 · 电气工程与系统科学 2021-05-11 Carter N. Brown , Enrico Mattei , Andrew Draganov

Integrated Sensing and Communication (ISAC) represents a significant shift in the 6G landscape, where wireless networks both sense the environment and communicate. While prior comprehensive surveys have established foundational elements of…

密码学与安全 · 计算机科学 2026-01-06 Chandra Thapa , Surya Nepal