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相关论文: Physical-Layer Security in Cache-Enabled Cooperati…

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Channel Knowledge Map (CKM) is an emerging data-driven toolbox that captures our awareness of the wireless channel and enables efficient communication and resource allocation beyond the state of the art. In this work, we consider CKM for…

信号处理 · 电气工程与系统科学 2025-08-20 Ladan Khaloopour , Matthias Hollick , Vahid Jamali

This letter considers a mobile edge computing (MEC) system with one access point (AP) serving multiple users over a multicarrier channel, in the presence of a malicious eavesdropper. In this system, each user can execute the respective…

信息论 · 计算机科学 2018-05-08 Jie Xu , Jianping Yao

Underutilized wireless channel is a waste of spectral resource. Eavesdropping compromises data secrecy. How to overcome the two problems with one solution? In this paper, we propose a spectrum sharing model that defends against…

网络与互联网体系结构 · 计算机科学 2021-09-21 Yee-Loo Foo

A robust full-space physical layer security (PLS) transmission scheme is proposed in this paper considering the full-space wiretapping challenge of wireless networks supported by simultaneous transmitting and reflecting reconfigurable…

信息论 · 计算机科学 2025-03-18 Han Xiao , Xiaoyan Hu , Ang Li , Wenjie Wang , Kun Yang

In this paper, we study physical layer security for the downlink of cellular networks, where the confidential messages transmitted to each mobile user can be eavesdropped by both (i) the other users in the same cell and (ii) the users in…

信息论 · 计算机科学 2016-11-15 Giovanni Geraci , Harpreet S. Dhillon , Jeffrey G. Andrews , Jinhong Yuan , Iain B. Collings

Secure communications can be impeded by eavesdroppers in conventional relay systems. This paper proposes cooperative jamming strategies for two-hop relay networks where the eavesdropper can wiretap the relay channels in both hops. In these…

信息论 · 计算机科学 2015-05-28 Jing Huang , A. Lee Swindlehurst

In this paper, we study the physical layer security (PLS) problem in the dual hop orthogonal frequency division multiplexing (OFDM) based wireless communication system. First, we consider a single user single relay system and study a joint…

信息论 · 计算机科学 2018-03-15 Waqas Aman , Guftaar Ahmad Sardar Sidhu , Haji M. Furqan , Zain Ali

This paper studies the design and secrecy performance of linear multihop networks, in the presence of randomly distributed eavesdroppers in a large-scale two-dimensional space. Depending on whether there is feedback from the receiver to the…

信息论 · 计算机科学 2017-11-07 Jianping Yao , Xiangyun Zhou , Yuan Liu , Suili Feng

Unlike aerial base station enabled by a single unmanned aerial vehicle (UAV), aerial coordinated multiple points (CoMP) can be enabled by a UAV swarm. In this case, the management of multiple UAVs is important. This paper considers the…

信息论 · 计算机科学 2019-08-20 Xuanxuan Wang , Wei Feng , Yunfei Chen , Ning Ge

Wireless network virtualization has been well recognized as a way to improve the flexibility of wireless networks by decoupling the functionality of the system and implementing infrastructure and spectrum as services. Recent studies have…

计算机科学与博弈论 · 计算机科学 2016-07-19 Zhiwen Hu , Zijie Zheng , Tao Wang , Lingyang Song , Xiaoming Li

Caching at small base stations (SBSs) has demonstrated significant benefits in alleviating the backhaul requirement in heterogeneous cellular networks (HetNets). While many existing works focus on what contents to cache at each SBS, an…

信息论 · 计算机科学 2016-11-15 Bo Zhou , Ying Cui , Meixia Tao

Wireless physical-layer security is an emerging field of research aiming at preventing eavesdropping in an open wireless medium. In this paper, we propose a novel waveform design approach to minimize the likelihood that a message…

密码学与安全 · 计算机科学 2013-06-04 Ming Li , Sandipan Kundu , Dimitris A. Pados , Stella N. Batalama

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

In this paper, we study multibeam satellite secure communication through physical (PHY) layer security techniques, i.e., joint power control and beamforming. By first assuming that the Channel State Information (CSI) is available and the…

信息论 · 计算机科学 2015-03-19 Jiang Lei , Zhu Han , M. A. Vázquez-Castro , Are Hjørungnes

Explosive growth of mobile data demand may impose a heavy traffic burden on fronthaul links of cloud-based small cell networks (C-SCNs), which deteriorates users' quality of service (QoS) and requires substantial power consumption. This…

信号处理 · 电气工程与系统科学 2020-01-27 Xiongwei Wu , Qiang Li , Xiuhua Li , Victor C. M. Leung , P. C. Ching

In this paper, we study the problem of secure routing in a multihop wireless ad-hoc network in the presence of randomly distributed eavesdroppers. Specifically, the locations of the eavesdroppers are modeled as a homogeneous Poisson point…

信息论 · 计算机科学 2016-11-17 Jianping Yao , Suili Feng , Xiangyun Zhou , Yuan Liu

This paper investigates one of the fundamental issues in cache-enabled heterogeneous networks (HetNets): how many cache instances should be deployed at different base stations, in order to provide guaranteed service in a cost-effective…

网络与互联网体系结构 · 计算机科学 2017-07-14 Shan Zhang , Ning Zhang , Peng Yang , Xuemin Shen

This paper exploits the potential of physical layer security in massive multiple-input multiple-output (MIMO) aided two-tier heterogeneous networks (HetNets). We focus on the downlink secure transmission in the presence of multiple…

信息论 · 计算机科学 2015-09-10 Yansha Deng , Lifeng Wang , Kai-Kit Wong , Arumugam Nallanathan , Maged Elkashlan

We study the problem of securely communicating a sequence of information bits with a client in the presence of multiple adversaries at unknown locations in the environment. We assume that the client and the adversaries are located in the…

信号处理 · 电气工程与系统科学 2021-03-02 Yagiz Savas , Abolfazl Hashemi , Abraham P. Vinod , Brian M. Sadler , Ufuk Topcu

This paper presents a comprehensive physical layer security (PLS) framework for fluid antenna system (FAS)-aided short-packet communications under the variable block-correlation model (VBCM). We consider a downlink wiretap scenario in which…

信号处理 · 电气工程与系统科学 2026-03-19 Jianchao Zheng , Tuo Wu , Kai-Kit Wong , Baiyang Liu , Runyu Pan , Maged Elkashlan , Kin-Fai Tong , Sumei Sun