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Integrated sensing and communication (ISAC), which allows individual radar and communication systems to share the same spectrum bands, is an emerging and promising technique for alleviating spectrum congestion problems. In this paper, we…

Signal Processing · Electrical Eng. & Systems 2022-12-02 Jinjin Chu , Rang Liu , Ming Li , Yang Liu , Qian Liu

A Reconfigurable Intelligent Surface (RIS) can significantly enhance network positioning and mapping, acting as an additional anchor point in the reference system and improving signal strength and measurement diversity through the…

Information Theory · Computer Science 2024-11-15 Dimitris Kompostiotis , Dimitris Vordonis , Vassilis Paliouras , George C. Alexandropoulos , Florin Grec

This paper explores the use of reconfigurable intelligent surfaces (RIS) in mitigating cross-system interference in spectrum sharing and secure wireless applications. Unlike conventional RIS that can only adjust the phase of the incoming…

Information Theory · Computer Science 2023-07-03 Fangzhou Wang , A. Lee Swindlehurst

This paper studies the problem of securing task offloading transmissions from ground users against ground eavesdropping threats. Our study introduces a reconfigurable intelligent surface (RIS)-aided unmanned aerial vehicle (UAV)-mobile edge…

Cryptography and Security · Computer Science 2025-05-19 Aly Sabri Abdalla , Vuk Marojevic

This paper investigates user equipment (UE) assisted device-free networked sensing in the sixth-generation (6G) integrated sensing and communication (ISAC) system, where one base station (BS) and multiple UEs, such as unmanned aerial…

Signal Processing · Electrical Eng. & Systems 2025-02-06 Xianzhen Guo , Qin Shi , Shuowen Zhang , Chengwen Xing , Liang Liu

RIS is one of the significant technological advancements that will mark next-generation wireless. RIS technology also opens up the possibility of new security threats, since the reflection of impinging signals can be used for malicious…

Cryptography and Security · Computer Science 2024-10-28 Jacek Kibilda , Nurul H. Mahmood , André Gomes , Matti Latva-aho , Luiz A. DaSilva

Reconfigurable Intelligent Surface (RIS) draws great attentions in academic and industry due to its passive and low power consumption nature, and has currently been used in physical layer security to enhance the secure transmission.…

Information Theory · Computer Science 2021-12-21 Limeng Dong , Hui-Ming Wang , Jiale Bai

The rotatable reconfigurable intelligent surface (RIS) can enhance mobile edge computing (MEC) performance by optimizing its orientation to improve the gain of received and transmitted signals. This correspondence investigates a rotatable…

Networking and Internet Architecture · Computer Science 2025-03-24 Bin Li , Dongdong Yang , Lei Liu

Integrated sensing and communication (ISAC) has become a promising technology for future communication system. In this paper, we consider a millimeter wave system over high mobility scenario, and propose a novel simultaneous transmission…

Signal Processing · Electrical Eng. & Systems 2024-03-19 Muye Li , Shun Zhang , Yao Ge , Zan Li , Feifei Gao , Pingzhi Fan

Massive multiple-input multiple-output communications can achieve high-level security by concentrating radio frequency signals towards the legitimate users. However, this system is vulnerable in a Rician fading environment if the…

Information Theory · Computer Science 2020-04-28 Shuai Wang , Miaowen Wen , Minghua Xia , Rui Wang , Qi Hao , Yik-Chung Wu

Reconfigurable intelligent surface (RIS) or intelligent reflecting surface (IRS) has recently been envisioned as one of the most promising technologies in the future sixth-generation (6G) communications. In this paper, we consider the joint…

Information Theory · Computer Science 2021-12-14 Zhangjie Peng , Zhiwei Chen , Cunhua Pan , Gui Zhou , Hong Ren

This paper considers the application of reconfigurable intelligent surfaces (RISs) (a.k.a. intelligent reflecting surfaces (IRSs)) to assist multiuser multiple-input multiple-output (MIMO) uplink transmission from several multi-antenna user…

Information Theory · Computer Science 2021-09-14 Li You , Jiayuan Xiong , Yufei Huang , Derrick Wing Kwan Ng , Cunhua Pan , Wenjin Wang , Xiqi Gao

Integrated sensing and communication (ISAC) is a cornerstone for future sixth-generation (6G) networks, enabling simultaneous connectivity and environmental awareness. However, practical realization faces significant challenges, including…

Signal Processing · Electrical Eng. & Systems 2025-11-12 Adam Umra , Kevin Weinberger , Aymen Khaleel , Gerald Enzner , Aydin Sezgin

Reconfigurable intelligent surface (RIS) is a promising technology to enhance the spectral and energy efficiency in a wireless communication system. The design of the phase shifts of an RIS in every channel coherence interval demands a huge…

Signal Processing · Electrical Eng. & Systems 2024-05-15 Sadaf Syed , Dominik Semmler , Donia Ben Amor , Michael Joham , Wolfgang Utschick

Future wireless networks are envisioned to facilitate the seamless coexistence of communication and sensing functionalities, thereby enabling the much-touted integrated sensing and communication (ISAC) paradigm. A key challenge in ISAC is…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Anup Mishra , Israel Leyva-Mayorga , Petar Popovski

Reconfigurable intelligent surface (RIS) has recently gained significant interest as an emerging technology for future wireless networks thanks to its potential for improving the coverage probability in challenging propagation environments.…

Information Theory · Computer Science 2023-09-08 Trinh Van Chien , Lam Thanh Tu , Waqas Khalid , Heejung Yu , Symeon Chatzinotas , Marco Di Renzo

Reconfigurable intelligent surface (RIS) technology is a promising solution to improve the performance of existing wireless communications. To achieve its cost-effectiveness advantage, there inevitably exist certain hardware impairments in…

Signal Processing · Electrical Eng. & Systems 2024-01-17 Yiming Liu , Rui Wang , Zhu Han

The following paper presents a novel orthogonal pilot design dedicated for \textcolor{black}{integrated sensing and communications (ISAC)} systems performing multi-user communications and target detection. After careful characterization of…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Ahmad Bazzi , Marwa Chafii

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

In this paper, we investigate the integration of integrated sensing and communication (ISAC) and reconfigurable intelligent surfaces (RIS) for providing wide-coverage and ultra-reliable communication and high-accuracy sensing functions. In…

Signal Processing · Electrical Eng. & Systems 2025-02-17 Rang Liu , Ming Li , Qian Liu , A. Lee Swindlehurst
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