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相关论文: Physical Layer Security in Heterogeneous Networks …

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In this paper, we propose an algorithm that targets contamination and eavesdropping adversaries. We consider the case when the number of independent packets available to the eavesdropper is less than the multicast capacity of the network.…

密码学与安全 · 计算机科学 2008-05-16 Yejun Zhou , Hui Li , Jianfeng Ma

Cooperation between wireless network nodes is a promising technique for improving the physical layer security of wireless transmission, in terms of secrecy capacity, in the presence of multiple eavesdroppers. While existing physical layer…

信息论 · 计算机科学 2009-06-29 Walid Saad , Zhu Han , Tamer Basar , Merouane Debbah , Are Hjørungnes

Suppressing the deliberate interference for wireless networks is critical to guarantee a reliable communication link. However, nullifying the jamming signals can be problematic when the correlations between transmitted jamming signals are…

信号处理 · 电气工程与系统科学 2022-02-09 Linh Manh Hoang , Diep N. Nguyen , J. Andrew Zhang , Dinh Thai Hoang

With potential applications to short-packet communication, we address communication of low-latency messages in fast-fading channels under the presence of a reactive jammer. Unlike a traditional jammer, we assume a full-duplex (FD) jammer…

信息论 · 计算机科学 2022-05-27 Vivek Chaudhary , J. Harshan

This paper investigates on the problem of combining routing scheme and physical layer security in multihop wireless networks with cooperative diversity. We propose an ad-hoc natured hop-by-hop best secure relay selection in a multihop…

信息论 · 计算机科学 2018-07-20 Anish Prasad Shrestha , Kyung Sup Kwak

As a promising technology, physical layer security (PLS) enhances security by leveraging the physical characteristics of communication channels. However, it commonly takes the legitimate user more effort to secure its data, compared to that…

信息论 · 计算机科学 2025-02-13 Wenwen Chen , Bin Han , Yao Zhu , Anke Schmeink , Hans D. Schotten

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

Physical layer security is a field of study that continues to gain importance over time. It encompasses a range of algorithms applicable to various aspects of communication systems. While research in the physical layer has predominantly…

信号处理 · 电气工程与系统科学 2023-07-17 Pol Henarejos , Ana I. Pérez-Neira

We consider that a transmitter covertly communicates with multiple receivers under the help of a friendly jammer. The messages intended for different receivers are transmitted in mutually orthogonal frequency bands. An adversary observes…

信息论 · 计算机科学 2021-03-03 Ke-Wen Huang , Hao Deng , Hui-Ming Wang

To enhance the national security, there is a growing need for government agencies to legitimately monitor suspicious communication links for preventing intended crimes and terror attacks. In this paper, we propose a new wireless information…

信息论 · 计算机科学 2017-02-07 Jie Xu , Lingjie Duan , Rui Zhang

In this paper, we consider the problem of joint secure routing and transmit power optimization for a multi-hop ad-hoc network under the existence of randomly distributed eavesdroppers following a Poisson point process (PPP). Secrecy…

信息论 · 计算机科学 2018-05-04 Hui-Ming Wang , Yan Zhang , Derrick Wing Kwan Ng , Moon Ho Lee

This paper investigates the anti-jamming performance of a cognitive radar under a partially observable Markov decision process (POMDP) model. First, we obtain an explicit expression for uncertainty of jammer dynamics, which paves the way…

机器学习 · 计算机科学 2019-11-28 Serkan Ak , Stefan Bruggenwirth

In large-scale networks, communication links between nodes are easily injected with false data by adversaries. This paper proposes a novel security defense strategy from the perspective of attack detection scheduling to ensure the security…

系统与控制 · 电气工程与系统科学 2023-12-19 Yuhan Suo , Senchun Chai , Runqi Chai , Zhong-Hua Pang , Yuanqing Xia , Guo-Ping Liu

In the face of adverse environmental conditions and cyber threats, robust communication systems for critical applications such as wildfire management and detection demand secure and resilient architectures. This paper presents a novel…

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

In this paper, we study the resource allocation for an orthogonal frequency division multiple access (OFDMA) radio system employing a full-duplex base station for serving multiple half-duplex downlink and uplink users simultaneously. The…

信息论 · 计算机科学 2017-05-08 Yan Sun , Derrick Wing Kwan Ng , Robert Schober

We study opportunistic scheduling and the sum capacity of cellular networks with a full-duplex multi-antenna base station and a large number of single-antenna half-duplex users. Simultaneous uplink and downlink over the same band results in…

信息论 · 计算机科学 2016-11-17 Can Karakus , Suhas Diggavi

Physical layer security is essential in optical networks. In this paper, we study a jamming-aware control plane, in which a high power jamming attack exists in the network. The studied control plane considers that the jammed connections can…

网络与互联网体系结构 · 计算机科学 2020-06-05 Ítalo Brasileiro , Mounir Bensalem , André Drummond , Admela Jukan

Semantic communication (SemCom) aims to transmit only task-relevant information, thereby improving communication efficiency but also exposing semantic information to potential eavesdropping. In this paper, we propose a deep reinforcement…

密码学与安全 · 计算机科学 2026-01-21 Weixuan Chen , Qianqian Yang

In this paper, we propose a cooperative approach to improve the security of both primary and secondary systems in cognitive radio multicast communications. During their access to the frequency spectrum licensed to the primary users, the…