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In industrial automation or emergency rescue, sensors and robots work together with the help of an edge information hub (EIH) containing both communication and computing modules. Typically, the EIH collects the sensing data via the…

信息论 · 计算机科学 2026-03-03 Chengleyang Lei , Wei Feng , Yunfei Chen , Jue Wang , Ning Ge , Shi Jin , Tony Q. S. Quek

Massive Multiple-Input Multiple-Output (MIMO) has become a crucial enabling technology for 5G and beyond, providing previously unheard-of increases in energy and spectrum efficiency. It is still difficult to guarantee secure communication…

信号处理 · 电气工程与系统科学 2026-01-22 Nipun Agarwal

In this paper, we investigate the secrecy performance of underlay cognitive small-cell radio network with unreliable backhaul connections. The secondary cognitive small-cell transmitters are connected to macro base station by wireless…

信号处理 · 电气工程与系统科学 2021-03-11 Jinghua Zhang , Chinmoy Kundu , Emi Garcia-Palacios

A frequency domain (FD) time-reversal (TR) precoder is proposed to perform physical layer security (PLS) in single-input single-output (SISO) system using orthogonal frequency-division multiplexing (OFDM). To maximize the secrecy of the…

In this paper, we consider the physical layer security of an RIS-assisted multiple-antenna communication system with randomly located eavesdroppers. The exact distributions of the received signal-to-noise-ratios (SNRs) at the legitimate…

信息论 · 计算机科学 2024-03-25 Wei Shi , Jindan Xu , Wei Xu , Chau Yuen , A. Lee Swindlehurst , Xiaohu You , Chunming Zhao

The secure transmission of confidential information in cellular vehicle-to-everything (C-V2X) communication networks is vitally important for user's personal safety. However, for C-V2X there have not been much studies on the physical layer…

信息论 · 计算机科学 2020-10-08 Chao Wang , Zan Li , Gen Xiang Xia , Jia Shi , Jiangbo Si , Yulong Zou

In this paper, we investigate the performance of physical-layer security of a pinching-antenna system on a lossless dielectric waveguide. In particular, the system uses a single pinching-antenna to convey confidential information from a…

信息论 · 计算机科学 2025-03-25 Osamah S. Badarneh , Hugerles S. Silva , Yazan H. Al Badarneh

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

The pinching-antenna systems (PASS), which dynamically activate and relocate the pinching-antennas (PAs) along the dielectric waveguide, offer unprecedented potential for integrated positioning and communication. The multi-waveguide-based…

信号处理 · 电气工程与系统科学 2026-05-27 Yaoyu Zhang , Xin Sun , Jun Wang , Tianwei Hou , Anna Li , Yuanwei Liu , Arumugam Nallanathan

The extensive deployment of Low Earth Orbit (LEO) satellites introduces significant security challenges for communication security issues in Internet of Things (IoT) networks. With the rising number of satellites potentially acting as…

网络与互联网体系结构 · 计算机科学 2024-07-08 Anna Talgat , Ruibo Wang , Mustafa A. Kishk , Mohamed-Slim Alouini

Many-core systems require inter-core communication, and network-on-chips (NoCs) have been demonstrated to provide good scalability. However, not only the distributed structure but also the link switching on the NoCs have imposed a great…

分布式、并行与集群计算 · 计算机科学 2019-10-22 Niklas Ueter , Georg von der Brueggen , Jian-Jia Chen , Tulika Mitra , Vanchinathan Venkataramani

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

In this paper, we provide expressions for the secrecy outage probability (SOP) for suboptimal and optimal opportunistic scheduling schemes in a reconfigurable intelligent surface (RIS) aided {single antenna} system with multiple…

信息论 · 计算机科学 2025-04-01 Burhan Wafai , Sarbani Ghose , Chinmoy Kundu , Ankit Dubey , Mark F. Flanagan

This paper investigates the physical layer security (PLS) performance of $\alpha$-$\mathcal{F}$ fading channels with pointing errors under passive and active eavesdropping scenarios. Novel analytical expressions are derived for key PLS…

In this work, novel physical layer security (PLS) schemes are proposed for orthogonal frequency-division multiplexing (OFDM) to secure both data and pilots. The majority of previous studies focus on only securing the data without…

信号处理 · 电气工程与系统科学 2021-10-25 Salah Eddine Zegrar , Haji M. Furqan , Huseyin Arslan

We design a new secure transmission scheme in the relay wiretap channel where a source communicates with a destination through a decode-and-forward relay in the presence of spatially random-distributed eavesdroppers. For the sake of…

信息论 · 计算机科学 2016-05-06 Chenxi Liu , Nan Yang , Robert Malaney , Jinhong Yuan

We design polynomial time schemes for secure message transmission over arbitrary networks, in the presence of an eavesdropper, and where each edge corresponds to an erasure channel with public feedback. Our schemes are described through…

信息论 · 计算机科学 2015-04-27 Athanasios Papadopoulos , Laszlo Czap , Christina Fragouli

This article investigates physical layer security (PLS) in reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output multiple-antenna-eavesdropper (MIMOME) channels. Existing researches ignore the problem that secrecy…

信息论 · 计算机科学 2022-05-03 Yiliang Liu , Zhou Su , Chi Zhang , Hsiao-Hwa Chen

This paper considers a source, which employs random linear coding (RLC) to encode a message, a legitimate destination, which can recover the message if it gathers a sufficient number of coded packets, and an eavesdropper. The probability of…

信息论 · 计算机科学 2022-03-24 Ioannis Chatzigeorgiou

In this paper, we consider a cognitive radio network that consists of one cognitive base station (CBS) and multiple cognitive users (CUs) in the presence of multiple eavesdroppers, where CUs transmit their data packets to CBS under a…

信息论 · 计算机科学 2016-11-18 Yulong Zou , Xianbin Wang , Weiming Shen