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相关论文: Enhancing Physical Layer Security in LEO Satellite…

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Recent advancements in low-Earth-orbit (LEO) satellites aim to bring resilience, ubiquitous, and high-quality service to future Internet infrastructure. However, the soaring number of space assets, increasing dynamics of LEO satellites and…

网络与互联网体系结构 · 计算机科学 2024-11-21 Peng Hu

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 investigates the performance of physical layer security (PLS) in fluid antenna-aided communication systems under arbitrary correlated fading channels. In particular, it is considered that a single fixed-antenna transmitter aims…

Optical inter-satellite links (ISLs) are becoming the principal communication backbone in modern large-scale LEO constellations, offering multi-Gb/s capacity and near speed-of-light latency. However, the extreme sensitivity of optical beams…

信号处理 · 电气工程与系统科学 2025-12-25 Mohammad Taghi Dabiri , Rula Ammuri , Mazen Hasna , Khalid Qaraqe

This paper offers a thorough analysis of the coverage performance of Low Earth Orbit (LEO) satellite networks using a strongest satellite association approach, with a particular emphasis on shadowing effects modeled through a Poisson point…

信息论 · 计算机科学 2024-09-09 Jinseok Choi , Jeonghun Park , Junse Lee , Namyoon Lee

Due to its high mobility and flexible deployment, unmanned aerial vehicle (UAV) is drawing unprecedented interest in both military and civil applications to enable agile wireless communications and provide ubiquitous connectivity. Mainly…

网络与互联网体系结构 · 计算机科学 2021-05-25 Jue Wang , Xuanxuan Wang , Ruifeng Gao , Chengleyang Lei , Wei Feng , Ning Ge , Shi Jin , Tony Q. S. Quek

The contemporary landscape of wireless technology underscores the critical role of precise localization services. Traditional global navigation satellite systems (GNSS)-based solutions, however, fall short when it comes to indoor…

信号处理 · 电气工程与系统科学 2025-02-14 Pinjun Zheng , Xing Liu , Yuchen Zhang , Jiguang He , Gonzalo Seco-Granados , Tareq Y. Al-Naffouri

In this paper, we investigate a large intelligent surface-enhanced (LIS-enhanced) system, where a LIS is deployed to assist secure transmission. Our design aims to maximize the achievable secrecy rates in different channel models, i.e.,…

信息论 · 计算机科学 2020-10-28 Biqian Feng , Yongpeng Wu , Mengfan Zheng , Xiang-Gen Xia , Yongjian Wang , Chengshan Xiao

Low Earth orbit (LEO) satellites, as a prominent technology in the 6G non-terrestrial network, offer both positioning and communication capabilities. While these two applications have each been extensively studied and have achieved…

信号处理 · 电气工程与系统科学 2024-12-03 Jie Ma , Pinjun Zheng , Xing Liu , Yuchen Zhang , Tareq Y. Al-Naffouri

Security is an essential requirement of Industrial Control System (ICS) environments and its underlying communication infrastructure. Especially the lowest communication level within Supervisory Control and Data Acquisition (SCADA) systems…

密码学与安全 · 计算机科学 2022-09-07 Thomas R. Doebbert , Florian Fischer , Dominik Merli , Gerd Scholl

We propose a low-power mobile low earth orbit (LEO) satellite communication architecture, employing double reconfigurable intelligent surfaces (RIS) to enhance energy efficiency and signal performance. With a distance between RISs that…

Physical layer security offers an efficient means to decrease the risk of confidential information leakage through wiretap links. In this paper, we address the physical-layer security in a cooperative wireless subnetwork that includes a…

网络与互联网体系结构 · 计算机科学 2019-10-21 Saeed Vahidian , Sajad Hatamnia , Benoit Champagne

This paper investigates the downlink (DL) physical layer security (PLS) in a near-field (NF) extra-large multiple-input multiple-output MIMO (XL-MIMO) system. To enhance the secrecy rate (SR), null-space artificial noise (AN) is transmitted…

信息论 · 计算机科学 2025-03-19 Xiangjun Ma , Ali Arshad Nasir , Daniel Benevides da Costa

Channels of satellite communication are usually modeled as Rician fading channels with very large Rician factor or Gaussian channels. Therefore, when a legitimate user is close to an eavesdropping user, the legitimate channel is…

信息论 · 计算机科学 2018-08-16 Shuai Han , Xiangxue Tai , Weixiao Meng , Cheng Li

Low Earth orbit (LEO) satellite networks with mega constellations have the potential to provide 5G and beyond services ubiquitously. However, these networks may introduce mutual interference to both satellite and terrestrial networks,…

信号处理 · 电气工程与系统科学 2024-08-23 Daeun Kim , Jeonghun Park , Jinseok Choi , Namyoon Lee

The integration of sensing and communication enables wireless communication systems to serve environment-aware applications. In this paper, we propose to leverage sensing to enhance physical layer security (PLS) in multiuser communication…

信息论 · 计算机科学 2023-12-27 Dongfang Xu , Yiming Xu , Zhiqiang Wei , Shenghui Song , Derrick Wing Kwan Ng

Low Earth Orbit (LEO) satellite networks connect millions of devices on Earth and offer various services, such as data communications, remote sensing, and data harvesting. As the number of services increases, LEO satellite networks will…

信息论 · 计算机科学 2024-08-12 Chang-Sik Choi

Passive eavesdropping compromises confidentiality in wireless networks, especially in resource-constrained environments where heavyweight cryptography is impractical. Physical layer security (PLS) exploits channel randomness and spatial…

密码学与安全 · 计算机科学 2026-01-16 Yifan Zhang , Yishan Yang , Riku Jäntti , Zheng Yan , Dusit Niyato , Zhu Han

This paper proposes a robust beamforming scheme to enhance the physical layer security (PLS) of multicast transmission in a cognitive satellite and aerial network (CSAN) operating in the millimeter wave frequency band. Based on imperfect…

信号处理 · 电气工程与系统科学 2021-05-14 Bai Zhao , Min Lin , Ming Cheng , Wei-Ping Zhu , Naofal Al-Dhahir

In this paper, we consider the physical layer security (PLS) problem for integrated sensing and communication (ISAC) systems in the presence of hybrid-colluding eavesdroppers, where an active eavesdropper (AE) and a passive eavesdropper…

系统与控制 · 电气工程与系统科学 2025-02-10 Meiding Liu , Zhengchun Zhou , Qiao Shi , Guyue Li , Zilong Liu , Pingzhi Fan , Inkyu Lee