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Though achieving marvelous progress in various scenarios, existing semantic communication frameworks mainly consider single-input single-output Gaussian channels or Rayleigh fading channels, neglecting the widely-used multiple-input…

信息论 · 计算机科学 2024-06-12 Bingyan Xie , Yongpeng Wu , Yuxuan Shi , Wenjun Zhang , Shuguang Cui , Merouane Debbah

Wi-Fi sensing leveraging plain-text beamforming feedback information (BFI) in multiple-input-multiple-output (MIMO) systems attracts increasing attention. However, due to the implicit relationship between BFI and the channel state…

信号处理 · 电气工程与系统科学 2024-06-11 Xin Li , Jingzhi Hu , Jun Luo

Smart Grid (SG) research and development has drawn much attention from academia, industry and government due to the great impact it will have on society, economics and the environment. Securing the SG is a considerably significant challenge…

机器学习 · 计算机科学 2021-11-11 Allen Starke , Keerthiraj Nagaraj , Cody Ruben , Nader Aljohani , Sheng Zou , Arturo Bretas , Janise McNair , Alina Zare

Wi-Fi networks are ubiquitous in both home and enterprise environments, serving as a primary medium for Internet access and forming the backbone of modern IoT ecosystems. However, their inherent vulnerabilities, combined with widespread…

密码学与安全 · 计算机科学 2025-10-15 Rayed Suhail Ahmad , Rehan Ahmad , Quamar Niyaz

Signature-based Intrusion Detection System (SIDS) provides a promising solution to the problem of web application security. However, the performance of the system highly relies on the quality of the signatures designed to detect attacks. A…

密码学与安全 · 计算机科学 2018-05-29 Nancy Agarwal , Syed Zeeshan Hussain

The emerging wide area monitoring systems (WAMS) have brought significant improvements in electric grids' situational awareness. However, the newly introduced system can potentially increase the risk of cyber-attacks, which may be disguised…

密码学与安全 · 计算机科学 2021-08-26 Gabriel Intriago , Yu Zhang

In this paper, we study the problem of physical layer security in large-scale multiple input multiple output (LS-MIMO) systems. The large number of antenna elements in LS-MIMO system is exploited to enhance transmission security and improve…

信息论 · 计算机科学 2014-07-29 Xiaoming Chen , Chau Yuen , Zhaoyang Zhang

Feature-based physical layer authentication (PLA) schemes, using position-specific channel characteristics as identifying features, can provide lightweight protection against impersonation attacks in overhead-limited applications like e.g.,…

信号处理 · 电气工程与系统科学 2020-10-13 Henrik Forssell , Ragnar Thobaben

In the field of artificial intelligence, self-supervised learning has demonstrated superior generalization capabilities by leveraging large-scale unlabeled datasets for pretraining, which is especially critical for wireless communication…

信号处理 · 电气工程与系统科学 2025-03-04 Jun Jiang , Wenjun Yu , Yunfan Li , Yuan Gao , Shugong Xu

In practical cell-free (CF) massive multiple-input multiple-output (MIMO) networks with distributed and low-cost access points, the asynchronous arrival of signals at the user equipments increases multi-user interference that degrades the…

信息论 · 计算机科学 2022-12-07 Jiakang Zheng , Jiayi Zhang , Julian Cheng , Victor C. M. Leung , Derrick Wing Kwan Ng , Bo Ai

5G communications proposed significant improvements over 4G in terms of efficiency and security. Among these novelties, the 5G Network Slicing seems to have a prominent role: deploy multiple virtual network slices, each providing a…

密码学与安全 · 计算机科学 2020-11-02 Xavier Salleras , Vanesa Daza

Network coding provides the advantage of maximizing the usage of network resources, and has great application prospects in future network communications. However, the properties of network coding also make the pollution attack more serious.…

密码学与安全 · 计算机科学 2013-03-06 Jun Zhang , Xinran Li , Fang-Wei Fu

Wireless Sensor Networks (WSN) are becoming popular day by day, however one of the main issue in WSN is its limited resources. We have to look to the resources to create Message Authentication Code (MAC) keeping in mind the feasibility of…

密码学与安全 · 计算机科学 2012-03-15 Sadaqat Ur Rehman , Muhammad Bilal , Basharat Ahmad , Khawaja Muhammad Yahya , Anees Ullah , Obaid Ur Rehman

Operating in the ISM band, the wireless sensor network (WSN) risks being interfered by other concurrent networks. Our concerns are the technologies that do not perform listening before transmission such as Bluetooth, and the ones that do…

网络与互联网体系结构 · 计算机科学 2012-10-23 Charbel Nicolas , Michel Marot

A secure fingerprint recognition system must contain both a presentation attack (i.e., spoof) detection and recognition module in order to protect users against unwanted access by malicious users. Traditionally, these tasks would be carried…

计算机视觉与模式识别 · 计算机科学 2023-05-15 Steven A. Grosz , Kanishka P. Wijewardena , Anil K. Jain

Wi-Fi-based Positioning Systems (WPSes) are used by modern mobile devices to learn their position using nearby Wi-Fi access points as landmarks. In this work, we show that Apple's WPS can be abused to create a privacy threat on a global…

密码学与安全 · 计算机科学 2024-05-27 Erik Rye , Dave Levin

The Global Navigation Satellite System (GNSS) is increasingly vulnerable to radio frequency interference (RFI), including jamming and spoofing, which threaten the integrity of navigation and timing services. This paper presents a…

信号处理 · 电气工程与系统科学 2025-09-18 Argyris Kriezis , Yu-Hsuan Chen , Dennis Akos , Sherman Lo , Todd Walter

Sensor networks are vulnerable to \emph{false data injection attack} and \emph{path-based DoS} (PDoS) attack. While conventional authentication schemes are insufficient for solving these security conflicts, an \emph{en-route filtering}…

网络与互联网体系结构 · 计算机科学 2009-11-24 Chia-Mu Yu , Chun-Shien Lu , Sy-Yen Kuo

While the digitization of power distribution grids brings many benefits, it also introduces new vulnerabilities for cyber-attacks. To maintain secure operations in the emerging threat landscape, detecting and implementing countermeasures…

密码学与安全 · 计算机科学 2021-10-06 Ömer Sen , Dennis van der Velde , Sebastian N. Peters , Martin Henze

Website fingerprinting (WF) attacks, usually conducted with the help of a machine learning-based classifier, enable a network eavesdropper to pinpoint which web page a user is accessing through the inspection of traffic patterns. These…

密码学与安全 · 计算机科学 2022-11-29 Alexander Veicht , Cedric Renggli , Diogo Barradas