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Related papers: CKM-Assisted Physical-Layer Security for Resilienc…

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Channel knowledge map (CKM) has received widespread attention as an emerging enabling technology for environment-aware wireless communications. It involves the construction of databases containing location-specific channel knowledge, which…

Information Theory · Computer Science 2025-02-17 Zhenzhou Jin , Li You , Jue Wang , Xiang-Gen Xia , Xiqi Gao

The efficient construction of accurate channel knowledge maps (CKMs) is crucial for unleashing the full potential of environment-aware wireless networks, yet it remains a difficult ill-posed problem due to the sparsity of available…

Information Theory · Computer Science 2026-01-13 Ziyu Huang , Yong Zeng , Shen Fu , Xiaoli Xu , Hongyang Du

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…

Information Theory · Computer Science 2014-07-29 Xiaoming Chen , Chau Yuen , Zhaoyang Zhang

This article investigates the physical-layer security of cognitive radio (CR) networks, which are vulnerable to various newly arising attacks targeting on the weaknesses of CR communications and networking. We first review a range of…

Information Theory · Computer Science 2016-11-17 Yulong Zou , Jia Zhu , Liuqing Yang , Ying-Chang Liang , Yu-Dong Yao

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).…

Signal Processing · Electrical Eng. & Systems 2022-10-18 Nanchi Su , Fan Liu , Christos Masouros

The broadcasting nature of the wireless medium makes exposure to eavesdroppers a potential threat. Physical Layer Security (PLS) has been widely recognized as a promising security measure complementary to encryption. It has recently been…

Networking and Internet Architecture · Computer Science 2022-06-15 Sayed Amir Hoseini , Parastoo Sadeghi , Faycal Bouhafs , Neda Aboutorab , Frank den Hartog

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…

Signal Processing · Electrical Eng. & Systems 2026-01-22 Nipun Agarwal

In 6G mobile communications, acquiring accurate and timely channel state information (CSI) becomes increasingly challenging due to the growing antenna array size and bandwidth. To alleviate the CSI feedback burden, the channel knowledge map…

Signal Processing · Electrical Eng. & Systems 2026-03-11 Kequan Zhou , Guangyi Zhang , Hanlei Li , Yunlong Cai , Shengli Liu , Guanding Yu

Cooperative jamming is an approach that has been recently proposed for improving physical layer based security for wireless networks in the presence of an eavesdropper. While the source transmits its message to its destination, a relay node…

Information Theory · Computer Science 2009-07-30 Lun Dong , Zhu Han , Athina P. Petropulu , H. Vincent Poor

This paper proposes an environment-aware near-field channel estimation framework for integrated sensing and communication (ISAC) systems equipped with extremely large-scale antenna arrays (ELAAs). The proposed framework jointly exploits…

Information Theory · Computer Science 2026-04-07 Yuan Guo , Yilong Chen , Zixiang Ren , Jie Xu

Cognitive (Radio) (CR) Communications (CC) are mainly deployed within the environments of primary (user) communications, where the channel states and accessibility are usually stochastically distributed (benign or IID). However, many…

Networking and Internet Architecture · Computer Science 2015-08-03 Pan Zhou , Chenhui Hu , Tao Jiang , Dapeng Wu

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…

Information Theory · Computer Science 2019-08-20 Xuanxuan Wang , Wei Feng , Yunfei Chen , Ning Ge

With the increasing demand for secure communication in optical space networks, it is essential to develop physical-layer scalable security solutions. In this context, we present the asymptotic security analysis of a keyless quantum private…

Quantum Physics · Physics 2024-09-12 Angeles Vazquez-Castro , Andreas Winter , Hugo Zbinden

This paper investigates unmanned aerial vehicle (UAV)-aided jamming technique for enabling physical layer keyless security in scenarios where the exact eavesdropper location is unknown. We assume that the unknown eavesdropper location is…

Information Theory · Computer Science 2020-08-10 Christantus O. Nnamani , Muhammad R. A. Khandaker , Mathini Sellathurai

Channel knowledge map (CKM) has emerged as a crucial technology for next-generation communication, enabling the construction of high-fidelity mappings between spatial environments and channel parameters via electromagnetic information…

Signal Processing · Electrical Eng. & Systems 2025-05-23 Haohan Wang , Xu Shi , Hengyu Zhang , Yashuai Cao , Jintao Wang

This paper introduces Elliptic Curve Modulation (ECM), a novel modulation scheme that can be leveraged to effectively shuffle transmitted data while maintaining symbol error probability (SEP) performance equivalent to unencrypted systems.…

Signal Processing · Electrical Eng. & Systems 2025-05-21 Thrassos K. Oikonomou , George K. Karagiannidis

Channel knowledge map (CKM) has been recently proposed to enable environment-aware communications by utilizing historical or simulation generated wireless channel data. This paper studies the construction of one particular type of CKM,…

Information Theory · Computer Science 2023-12-13 Xiaoli Xu , Yong Zeng

Physical layer security has recently been regarded as an emerging technique to complement and improve the communication security in future wireless networks. The current research and development in physical layer security is often based on…

Information Theory · Computer Science 2013-10-02 Biao He , Xiangyun Zhou

With the development of the sixth-generation (6G) communication system, Channel State Information (CSI) plays a crucial role in improving network performance. Traditional Channel Charting (CC) methods map high-dimensional CSI data to…

Signal Processing · Electrical Eng. & Systems 2026-02-03 Yuan Gao , Wenjing Xie , Yiming Liu , Bintao Hu , Jianbo Du , Shugong Xu

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…

Information Theory · Computer Science 2025-03-18 Han Xiao , Xiaoyan Hu , Ang Li , Wenjie Wang , Kun Yang