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Simultaneous transmitting and reflecting reconfigurable intelligent surfaces (STAR-RIS) offer a transformative approach for integrated sensing and communication (ISAC) systems, particularly for enhancing physical layer security (PLS). This…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Rakesh Ranjan , Anshu Mukherjee , Manjesh K. Hanawal , Keshav Singh , Ioannis Krikidis

Integrated sensing and communication (ISAC) systems may face a heavy computation burden since the sensory data needs to be further processed. This paper studies a novel system that integrates sensing, communication, and computation, aiming…

Signal Processing · Electrical Eng. & Systems 2024-07-02 Yapeng Zhao , Qingqing Wu , Wen Chen , Yong Zeng , Ruiqi Liu , Weidong Mei , Fen Hou , Shaodan Ma

Integrated sensing and communication (ISAC) has been envisioned as a prospective technology to enable ubiquitous sensing and communications in next-generation wireless networks. In contrast to existing works on reconfigurable intelligent…

Information Theory · Computer Science 2024-10-02 Hanyu Yang , Shiqi Gong , Heng Liu , Chengwen Xing , Nan Zhao , Dusit Niyato

In this paper, we investigate the energy efficiency (EE) problem under reconfigurable intelligent surface (RIS)-aided secure cell-free networks, where multiple legitimate users and eavesdroppers (Eves) exist. We formulate a max-min secure…

Information Theory · Computer Science 2022-11-11 Wanming Hao , Junjie Li , Gangcan Sun , Chongwen Huang , Ming Zeng , Octavia A. Dobre , Chau Yuen

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

This paper investigates the secure transmission in a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted uplink non-orthogonal multiple access system, where the legitimate users send…

Information Theory · Computer Science 2021-11-05 Zheng Zhang , Jian Chen , Yuanwei Liu , Qingqing Wu , Bingtao He , Long Yang

Integrated sensing and communication (ISAC) in millimeter wave is a key enabler for next-generation networks, which leverages large bandwidth and extensive antenna arrays, benefiting both communication and sensing functionalities. The…

Signal Processing · Electrical Eng. & Systems 2025-02-18 Tianhao Mao , Jie Yang , Le Liang , Shi Jin

This paper investigates a cell-free massive multiple-input-multiple-output (CF-mMIMO) integrated sensing and communication (ISAC) system that addresses the critical challenge of information leakage to potential eavesdroppers located within…

Signal Processing · Electrical Eng. & Systems 2026-03-20 Ruiguang Wang , Takumi Takahashi , Hideki Ochiai

Non-fixed flexible antenna architectures, such as fluid antenna system (FAS), movable antenna (MA), and pinching antenna, have garnered significant interest in recent years. Among them, rotatable antenna (RA) is an emerging technology that…

Information Theory · Computer Science 2025-09-05 Beixiong Zheng , Tiantian Ma , Changsheng You , Jie Tang , Robert Schober , Rui Zhang

An undesirable consequence of the foreseeable proliferation of sophisticated integrated sensing and communications (ISAC) technologies is the enabling of spoofing, by malicious agents, of situational information (such as proximity,…

Signal Processing · Electrical Eng. & Systems 2025-12-19 Getuar Rexhepi , Hyeon Seok Rou , Giuseppe Thadeu Freitas de Abreu , George C. Alexandropoulos

In this paper, we propose a novel integrated sensing and communication (ISAC)-enabled dual-scale channel estimation framework, where large-scale channel estimation benefits from sensing, and the temporal variation of small-scale channel…

Information Theory · Computer Science 2026-01-05 Bai Zhiyue , Dai Minghui , Hou Fen , Shan hangguan , Cai X Lin , Shen , Xuemin

This letter attempts to design a surveillance scheme by adopting an active reconfigurable intelligent surface (RIS). Different from the conventional passive RIS, the active RIS could not only adjust the phase shift but also amplify the…

Information Theory · Computer Science 2024-10-28 Xinyue Hu , Yibo Yi , Kun Li , Hongwei Zhang , Caihong Kai

Unlike the conventional fully-passive and fully-active reconfigurable intelligent surfaces (RISs), a hybrid RIS consisting of active and passive reflection units has recently been concerned, which can exploit their integrated advantages to…

Instrumentation and Detectors · Physics 2025-05-27 Yu Yao , Junhao Zhang , Pu Miao , Long Zhang , Gaojie Chen , Feng Shu , Kai-Kit Wong

This paper studies a near-field integrated sensing and communication (ISAC) system with extremely large-scale antenna array (ELAA), in which a base station (BS) deployed with enormous number of antennas transmits wireless signals to…

Signal Processing · Electrical Eng. & Systems 2024-07-25 Haocheng Hua , Jie Xu , Rui Zhang

The potential of Reconfigurable Intelligent Surfaces (RISs) for energy-efficient and performance-boosted wireless communications is recently gaining remarkable research attention, motivating their consideration for various $5$-th Generation…

Information Theory · Computer Science 2022-12-06 George C. Alexandropoulos , Konstantinos D. Katsanos , Miaowen Wen , Daniel B. da Costa

Integrated sensing and communications (ISAC) has emerged as a promising paradigm to unify wireless communications and radar sensing, enabling efficient spectrum and hardware utilization. A core challenge with realizing the gains of ISAC…

Information Theory · Computer Science 2025-03-13 Tianyu Fang , Mengyuan Ma , Markku Juntti , Nir Shlezinger , A. Lee Swindlehurst , Nhan Thanh Nguyen

We consider the problem of secure communication with multi-antenna transmission in fading channels. The transmitter simultaneously transmits an information bearing signal to the intended receiver and artificial noise to the eavesdroppers.…

Information Theory · Computer Science 2010-07-01 Xiangyun Zhou , Matthew R. McKay

In this paper, we investigate the physical layer security of a full-duplex base station (BS) aided system in the worst case, where an uplink transmitter (UT) and a downlink receiver (DR) are both equipped with a single antenna, while a…

Information Theory · Computer Science 2019-04-23 Zhengmin Kong , Shaoshi Yang , Die Wang , Lajos Hanzo

Fluid antenna system (FAS)/movable antenna (MA) has emerged as a promising technology to fully exploit the spatial degrees of freedom (DoFs). In this paper, we propose a new rotatable antenna (RA) model, as a simplified implementation of…

Information Theory · Computer Science 2025-02-28 Qingjie Wu , Beixiong Zheng , Tiantian Ma , Rui Zhang

This paper investigates the security enhancement of an intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) network, where a distributed IRS enabled NOMA transmission framework is proposed to serve users…

Information Theory · Computer Science 2021-04-16 Zheng Zhang , Jian Chen , Qingqing Wu , Yuanwei Liu , Lu Lv , Xunqi Su
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