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The Internet of Things (IoT) is a futuristic technology that promises to connect tons of devices via the internet. As more individuals connect to the internet, it is believed that communication will generate mountains of data. IoT is…

密码学与安全 · 计算机科学 2023-03-28 Ntebatseng Mahlake , Topside E. Mathonsi , Tonderai Muchenje , Deon Du Plessis

The ability to exchange secret information is critical to many commercial, governmental, and military networks. The intrinsically secure communications graph (iS-graph) is a random graph which describes the connections that can be securely…

信息论 · 计算机科学 2016-11-17 Pedro C. Pinto , Joao Barros , Moe Z. Win

Radio-frequency (RF) energy harvesting (EH) in wireless relaying networks has attracted considerable recent interest, especially for supplying energy to relay nodes in Internet-of-Things (IoT) systems to assist the information exchange…

This work presents a threat modelling approach to represent changes to the attack paths through an Internet of Things (IoT) environment when the environment changes dynamically, i.e., when new devices are added or removed from the system or…

密码学与安全 · 计算机科学 2024-02-09 Marwa Salayma

Despite the recent success of graph neural networks (GNN), common architectures often exhibit significant limitations, including sensitivity to oversmoothing, long-range dependencies, and spurious edges, e.g., as can occur as a result of…

机器学习 · 计算机科学 2021-12-06 Yongyi Yang , Tang Liu , Yangkun Wang , Jinjing Zhou , Quan Gan , Zhewei Wei , Zheng Zhang , Zengfeng Huang , David Wipf

Graphical passwords (GPWs) have been studied over 20 years. We are motivated from QR codes that can be considered GPWs, are successfully applied in today's world. However, one need such GPWs that can be use conveniently and have higher…

密码学与安全 · 计算机科学 2018-06-11 Bing Yao , Hui Sun , Hongyu Wang , Jing Su , Jin Xu

Physical layer security is a promising approach that can benefit traditional encryption methods. The idea of physical layer security is to take advantage of the features of the propagation medium and its impairments to ensure secure…

Sixth generations (6G) systems will be required to meet diverse constraints in an integrated ground-air-space global network. In particular, meeting overly aggressive latency constraints, operating in massive connectivity regimes, with low…

信号处理 · 电气工程与系统科学 2022-05-04 Arsenia Chorti

Integrating Information and Communications Technology (ICT) devices into the power grid brings many benefits. However, it also exposes the grid to new potential cyber threats. Many control and protection mechanisms, such as Load Frequency…

Physical layer security which safeguards data confidentiality based on the information-theoretic approaches has received significant research interest recently. The key idea behind physical layer security is to utilize the intrinsic…

信息论 · 计算机科学 2018-01-17 Yongpeng Wu , Ashish Khisti , Chengshan Xiao , Giuseppe Caire , Kai-Kit Wong , Xiqi Gao

This paper designs a graph neural network (GNN) to improve bandwidth allocations for multiple legitimate wireless users transmitting to a base station in the presence of an eavesdropper. To improve the privacy and prevent eavesdropping…

信息论 · 计算机科学 2023-12-27 Xin Hao , Phee Lep Yeoh , Yuhong Liu , Changyang She , Branka Vucetic , Yonghui Li

Internet-of-Things (IoT) networks intelligently connect thousands of physical entities to provide various services for the community. It is witnessing an exponential expansion, which is complicating the process of discovering IoT devices…

机器学习 · 计算机科学 2022-06-22 Aymen Hamrouni , Hakim Ghazzai , Yehia Massoud

Integrating native AI support into the network architecture is an essential objective of 6G. Federated Learning (FL) emerges as a potential paradigm, facilitating decentralized AI model training across a diverse range of devices under the…

网络与互联网体系结构 · 计算机科学 2023-09-29 Wenxuan Ye , Chendi Qian , Xueli An , Xueqiang Yan , Georg Carle

Internet-of-Things (IoT) and cyber-physical systems (CPSs) may consist of thousands of devices connected in a complex network topology. The diversity and complexity of these components present an enormous attack surface, allowing an…

密码学与安全 · 计算机科学 2021-06-02 Jacob Brown , Tanujay Saha , Niraj K. Jha

Physical Layer Security (PLS) is an emerging concept in the field of secrecy for wireless communications that can be used alongside cryptography to prevent unauthorized devices from eavesdropping a legitimate transmission. It offers low…

信号处理 · 电气工程与系统科学 2025-04-24 Leonardo Barbosa da Silva , Evelio Martín Garcia Fernández , Ândrei Camponogara

This paper studies the physical layer security (PLS) of a vehicular network employing a reconfigurable intelligent surface (RIS). RIS technologies are emerging as an important paradigm for the realisation of smart radio environments, where…

信号处理 · 电气工程与系统科学 2019-12-30 Abubakar U. Makarfi , Khaled M. Rabie , Omprakash Kaiwartya , Xingwang Li , Rupak Kharel

In light of rising cybersecurity threats, data center providers face growing pressure to protect their own management infrastructure from Distributed Denial-of-Service (DDoS) attacks. While tenant-managed cages generally fall outside the…

密码学与安全 · 计算机科学 2026-03-17 Kartikeya Sharma , Craig Jacobik

This paper investigates the physical layer security (PLS) of a broadband in-home power line communication (PLC) system when a malicious wireless device tries to eavesdrop private messages exchanged between two PLC devices. Such a security…

信号处理 · 电气工程与系统科学 2020-12-30 Ândrei Camponogara , H. Vincent Poor , Moisés V. Ribeiro

This paper explores Physical-Layer Security (PLS) in Flexible Duplex (FlexD) networks, considering scenarios involving eavesdroppers. Our investigation revolves around the intricacies of the sum secrecy rate maximization problem,…

信号处理 · 电气工程与系统科学 2024-02-09 Tharaka Perera , Saman Atapattu , Yuting Fang , Jamie Evans

Signal processing over single-layer graphs has become a mainstream tool owing to its power in revealing obscure underlying structures within data signals. However, many real-life datasets and systems, {including those in Internet of Things…

信号处理 · 电气工程与系统科学 2022-11-02 Songyang Zhang , Qinwen Deng , Zhi Ding