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Related papers: Robust Secure Communications in Near-Field ISCAP S…

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In this paper, we present a signaling design for secure integrated sensing and communication (ISAC) systems comprising a dual-functional multi-input multi-output (MIMO) base station (BS) that simultaneously communicates with multiple users…

Information Theory · Computer Science 2024-01-31 Nanchi Su , Fan Liu , Christos Masouros , George C. Alexandropoulos , Yifeng Xiong , Qinyu Zhang

A near-field secure transmission framework is proposed. Employing the hybrid beamforming architecture, a multi-antenna base station (BS) transmits confidential information to a multi-antenna legitimate user (U) against a multi-antenna…

Information Theory · Computer Science 2023-04-14 Zheng Zhang , Yuanwei Liu , Zhaolin Wang , Xidong Mu , Jian Chen

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…

Information Theory · Computer Science 2023-12-27 Dongfang Xu , Yiming Xu , Zhiqiang Wei , Shenghui Song , Derrick Wing Kwan Ng

In this paper, we investigate methods for reducing the likelihood that a message transmitted between two multiantenna nodes is intercepted by an undetected eavesdropper. In particular, we focus on the judicious transmission of artificial…

Information Theory · Computer Science 2015-05-19 Amitav Mukherjee , A. Lee Swindlehurst

This paper investigates the optimization of beamforming design in a system with integrated sensing and communication (ISAC), where the base station (BS) sends signals for simultaneous multiuser communication and radar sensing. We aim at…

Information Theory · Computer Science 2022-04-27 Zhenyao He , Wei Xu , Hong Shen , Yongming Huang , Huahua Xiao

In this paper, we consider joint antenna allocation and transmit beamforming design in secure integrated sensing and communication (ISAC) systems. A dual-function base station (DFBS) aims to securely deliver messages to a single-antenna…

Networking and Internet Architecture · Computer Science 2024-10-03 Yunxiang Shi , Lixin Li , Wensheng Lin , Wei Liang , Zhu Han

In physical layer security, the channel state information (CSI) of passive eavesdroppers is usually difficult to obtain, which has motivated sensing-aided secure communication (SASC). However, in secure multicast scenarios, conventional…

Information Theory · Computer Science 2026-05-12 Zequan Wang , Liang Yin , Hao Xu , Yunan Sun , Yitong Liu , Hongwen Yang

The following paper models a secure full duplex (FD) integrated sensing and communication (ISAC) scenario, where malicious eavesdroppers aim at intercepting the downlink (DL) as well as the uplink (UL) information exchanged between the dual…

Signal Processing · Electrical Eng. & Systems 2023-12-19 Ahmad Bazzi , Marwa Chafii

In this paper, we investigate the robust resource allocation design for secure communication in an integrated sensing and communication (ISAC) system. A multi-antenna dual-functional radar-communication (DFRC) base station (BS) serves…

Information Theory · Computer Science 2022-10-25 Dongfang Xu , Xianghao Yu , Derrick Wing Kwan Ng , Anke Schmeink , Robert Schober

This paper investigates the energy-efficient hybrid beamforming design for a multi-functional integrated sensing, communications, and powering (ISCAP) system. In this system, a base station (BS) with a hybrid analog-digital (HAD)…

Information Theory · Computer Science 2024-03-26 Zeyu Hao , Yuan Fang , Xianghao Yu , Jie Xu , Ling Qiu , Lexi Xu , Shuguang Cui

This paper studies a multi-antenna networked integrated sensing and communications (ISAC) system, in which a set of multi-antenna base stations (BSs) employ the coordinated transmit beamforming to serve multiple single-antenna communication…

Information Theory · Computer Science 2023-07-12 Gaoyuan Cheng , Yuan Fang , Jie Xu , Derrick Wing Kwan Ng

In this paper, an intelligent reflecting surface (IRS) is leveraged to enhance the physical layer security of an integrated sensing and communication (ISAC) system in which the IRS is deployed to not only assist the downlink communication…

Information Theory · Computer Science 2022-07-20 Meng Hua , Qingqing Wu , Wen Chen , Octavia A. Dobre , A. Lee Swindlehurst

This letter considers the secure communication in a reconfigurable intelligent surface (RIS) aided full duplex (FD) system. An FD base station (BS) serves an uplink (UL) user and a downlink (DL) user simultaneously over the same…

Signal Processing · Electrical Eng. & Systems 2022-09-27 Pengxin Guan , Yiru Wang , Yuping Zhao

Traditional covert communication often relies on the knowledge of the warden's channel state information, which is inherently challenging to obtain due to the non-cooperative nature and potential mobility of the warden. The integration of…

Information Theory · Computer Science 2025-12-09 Xingyu Zhao , Min Li , Ming-Min Zhao , Shihao Yan , Min-Jian Zhao

This work presents a novel robust beamforming design dedicated for dual-functional radar and communication (DFRC) base stations (BSs) in the context of integrated sensing and communications (ISAC). The architecture is intended for…

Signal Processing · Electrical Eng. & Systems 2023-03-15 Ahmad Bazzi , Marwa Chafii

This paper examines linear beamforming methods for secure communications in a multiuser wiretap channel with a single transmitter, multiple legitimate receivers, and a single eavesdropper, where all nodes are equipped with multiple…

Information Theory · Computer Science 2009-10-15 Amitav Mukherjee , A. Lee Swindlehurst

The additional degree of freedom (DoF) in the distance domain of near-field communication offers new opportunities for physical layer security (PLS) design. However, existing works mainly consider static eavesdroppers, and the related study…

Signal Processing · Electrical Eng. & Systems 2024-08-27 Yiming Xu , Mingxuan Zheng , Dongfang Xu , Shenghui Song , Daniel Benevides da Costa

This paper considers a multiuser multiple-input single-output (MISO) downlink system with simultaneous wireless information and power transfer. In particular, we focus on secure communication in the presence of passive eavesdroppers and…

Information Theory · Computer Science 2016-11-15 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

This work studies near-field secure communications through transmit beamfocusing. We examine the benefit of having a protected eavesdropper-free zone around the legitimate receiver, and we determine the worst-case secrecy performance…

Signal Processing · Electrical Eng. & Systems 2025-11-18 Cen Liu , Xiangyun Zhou , Nan Yang , Salman Durrani , A. Lee Swindlehurst

This work studies a beamforming design for downlink transmission of a multi-user multiple-input single-output (MISO) system where each legitimate user employs a power splitting (PS) based simultaneous wireless information and power transfer…

Information Theory · Computer Science 2018-09-13 Miao Zhang , Kanapathippillai Cumanan , Lei Ni , Hang Hu Alister G. Burr , Zhiguo Ding