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This paper studies a downlink secure integrated sensing and communication (ISAC) system, in which a multi-antenna base station (BS) transmits confidential messages to a single-antenna communication user (CU) while performing sensing on…

Information Theory · Computer Science 2022-07-29 Zixiang Ren , Ling Qiu , Jie Xu , Derrick Wing Kwan Ng

Wireless communication systems, such as wireless sensor networks and RFIDs, are increasingly adopted to transfer potential highly sensitive information. Since the wireless medium has a sharing nature, adversaries have a chance to eavesdrop…

Cryptography and Security · Computer Science 2017-10-27 Jialin Wan , Siyao Cheng , Shanshan Han , Jianzhong Li

In this letter, improving the security of an intelligent reflecting surface (IRS) assisted multiple-input single-output (MISO) communication system is studied. Different from the ideal assumption in existing literatures that full…

Information Theory · Computer Science 2020-08-26 Hui-Ming Wang , Jiale Bai , Limeng Dong

The General Gaussian Multiple Access Wire-Tap Channel (GGMAC-WT) and the Gaussian Two-Way Wire-Tap Channel (GTW-WT) are considered. In the GGMAC-WT, multiple users communicate with an intended receiver in the presence of an eavesdropper who…

Information Theory · Computer Science 2008-01-28 Ender Tekin , Aylin Yener

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…

Information Theory · Computer Science 2021-03-03 Ke-Wen Huang , Hao Deng , Hui-Ming Wang

This paper considers a MIMO secure wireless communication system aided by the physical layer security technique of sending artificial noise (AN). To further enhance the system security performance, the advanced intelligent reflecting…

Signal Processing · Electrical Eng. & Systems 2020-09-15 Sheng Hong , Cunhua Pan , Hong Ren , Kezhi Wang , Arumugam Nallanathan

This paper addresses precoder design for secure multiple-input multiple-output (MIMO) integrated sensing and communications (ISAC) systems. We introduce a MIMO channel with a multiple-antenna eavesdropper and a multiple-antenna sensing…

Signal Processing · Electrical Eng. & Systems 2026-03-09 Seongkyu Jung , Namyoon Lee , Jeonghun Park

This paper analyzes the stochastic security performance of a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system in a downlink scenario. A base station (BS) transmits a multi-functional signal to…

Information Theory · Computer Science 2025-08-05 Marziyeh Soltani , Mahtab Mirmohseni , Rahim Tafazolli

In this paper, we investigate joint relay and jammer selection in two-way cooperative networks, consisting of two sources, a number of intermediate nodes, and one eavesdropper, with the constraints of physical layer security. Specifically,…

Information Theory · Computer Science 2011-12-01 Jingchao Chen , Rongqing Zhang , Lingyang Song , Zhu Han , Bingli Jiao

Integrated sensing and communication (ISAC) systems are key enablers of future networks but raise significant security concerns. In this realm, the emergence of malicious ISAC systems has amplified the need for authorized parties to…

Signal Processing · Electrical Eng. & Systems 2025-12-23 Zonghan Wang , Zahra Mobini , Hien Quoc Ngo , Hyundong Shin , Michail Matthaiou

In this paper, we propose an enhanced physical layer security approach, named joint secrecy and covert communication (JSACC), which aims to improve the performance of physical layer security (PLS). The JSACC system can dynamically switch…

Signal Processing · Electrical Eng. & Systems 2026-05-01 Yanyu Cheng , Haitao Du , Liqin Hu , Wei Yang Bryan Lim , Pan Li

This study investigates the anti-jamming space-air-ground integrated network (SAGIN) scenario wherein a reconfigurable intelligent surface (RIS) is deployed on a fixed Unmanned Aerial Vehicle (UAV) to counteract malevolent jamming attacks.…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Leila Marandi , Khaled Humadi , Gunes Karabulut Kurt , Wessam Ajib , Wei-Ping Zhu

This paper focuses on an integrated sensing and communication (ISAC) system in the presence of signal-dependent modulated jamming (SDMJ). Our goal is to suppress jamming while carrying out simultaneous communications and sensing. We…

Signal Processing · Electrical Eng. & Systems 2025-03-20 Yu Zhou , Qiao Shi , Zhengchun Zhou , Zilong Liu , Pingzhi Fan

This paper analyzes the stochastic security performance of a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system in a downlink scenario. A base station (BS) transmits a multi-functional signal to…

Information Theory · Computer Science 2025-04-15 Marziyeh Soltani , Mahtab Mirmohseni , Rahim Tafazolli

The integration of sensing, communications, array signal processing, etc. into 6G mobile networks has ushered in an era of heightened situational awareness. However, this progress brings forth significant concerns regarding privacy and…

Information Theory · Computer Science 2024-06-18 Pu Xie , Yang Huang

Integrated sensing and communication (ISAC) has emerged as a pivotal technology for next-generation wireless networks, enabling simultaneous data transmission and environmental sensing. However, existing ISAC systems face fundamental…

Signal Processing · Electrical Eng. & Systems 2026-02-18 Amirhossein Taherpour , Abbas Taherpour , Tamer Khattab

Consider an MISO channel overheard by multiple eavesdroppers. Our goal is to design an artificial noise (AN)-aided transmit strategy, such that the achievable secrecy rate is maximized subject to the sum power constraint. AN-aided secure…

Information Theory · Computer Science 2015-06-15 Qiang Li , Wing-Kin Ma

This paper investigates the secure resource allocation for a downlink integrated sensing and communication system with multiple legal users and potential eavesdroppers. In the considered model, the base station (BS) simultaneously transmits…

Information Theory · Computer Science 2024-01-31 Yinchao Yang , Mohammad Shikh-Bahaei , Zhaohui Yang , Chongwen Huang , Wei Xu , Zhaoyang Zhang

In this paper, we study a cell-free multiple-input multiple-output network equipped with integrated sensing and communication (ISAC) access points (APs). The distributed APs are used to jointly serve the communication needs of user…

Information Theory · Computer Science 2026-05-26 Steven Rivetti , Emil Bjornson , Mikael Skoglund

Various emerging applications in sixth-generation (6G) wireless demand a seamless integration of communication and sensing services, driving the development of integrated sensing and communication (ISAC) systems. Using a common waveform for…

Signal Processing · Electrical Eng. & Systems 2025-03-25 Ainara Kazymova , Vaibhav Kumar , Christina Pöpper , Marwa Chafii
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