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Integrated sensing and communication (ISAC) technology has been considered as one of the key candidate technologies in the next-generation wireless communication systems. However, when radar and communication equipment coexist in the same…

信号处理 · 电气工程与系统科学 2024-02-08 Mengyu Liu , Hong Ren , Cunhua Pan , Boshi Wang , Zhiyuan Yu , Ruisong Weng , Kangda Zhi , Yongchao He

This paper investigates a multi-intelligent reflecting surface (IRS) aided integrated sensing and communication (ISAC) system, where multiple IRSs are strategically deployed not only to assist the communication from a multi-antenna base…

信息论 · 计算机科学 2025-06-30 Guangji Chen , Qingqing Wu , Shihang Lu , Meng Hua , Wen Chen

Hybrid reconfigurable intelligent surfaces (HRISs) constitute an emerging paradigm of metasurfaces that empowers the concept of smart wireless environments, inherently supporting simultaneously communications and sensing. Very recently,…

信号处理 · 电气工程与系统科学 2025-04-30 Ioannis Gavras , George C. Alexandropoulos

Reconfigurable Intelligent Surfaces (RIS) are an emerging technology that can be used to reconfigure the propagation environment to improve cellular communication link rates. RIS, which are thin metasurfaces composed of discrete elements,…

信号处理 · 电气工程与系统科学 2020-11-11 Pooja Nuti , Brian L. Evans

Reflecting intelligent surfaces (RIS) is a low-cost and energy-efficient solution to achieve high spectral efficiency in sixth-generation (6G) networks. The basic idea of RIS is to smartly reconfigure the signal propagation by using passive…

信号处理 · 电气工程与系统科学 2022-04-27 Wali Ullah Khan , Eva Lagunas , Asad Mahmood , Symeon Chatzinotas , Bjorn Ottersten

This paper presents an echo-side modulation framework for integrated sensing and communication (ISAC) systems. A space-time reconfigurable intelligent surface (ST-RIS) impresses a continuous-phase modulation onto the radar echo, enabling…

信号处理 · 电气工程与系统科学 2026-01-15 Marouan Mizmizi , Stefano Tebaldini , Umberto Spagnolini

This paper analyses the security performance of a reconfigurable intelligent surface (RIS)-aided unmanned aerial vehicle (UAV) communication system with integrated sensing and communications (ISAC). We consider a multiple-antenna UAV…

信号处理 · 电气工程与系统科学 2024-09-26 Yue Xiu , Wanting Lyu , Phee Lep Yeoh , Yonghui Li , Yi Ai , Ning Wei

This paper studies an intelligent reflecting surface (IRS)-assisted integrated sensing and communication (ISAC) system, in which one IRS is deployed to not only assist the wireless communication from a multi-antenna base station (BS) to a…

信号处理 · 电气工程与系统科学 2022-02-15 Xianxin Song , Ding Zhao , Haocheng Hua , Tony Xiao Han , Xun Yang , Jie Xu

Reconfigurable intelligent surfaces (RIS) have drawn considerable attention recently due to their controllable scattering elements that are able to direct electromagnetic waves into desirable directions. Although RISs share some…

信息论 · 计算机科学 2021-04-08 Mohanad Obeed , Anas Chaaban

The intelligent reflecting surface (IRS) alters the behavior of wireless media and, consequently, has potential to improve the performance and reliability of wireless systems such as communications and radar remote sensing. Recently,…

信号处理 · 电气工程与系统科学 2023-04-13 Ahmet M. Elbir , Kumar Vijay Mishra , M. R. Bhavani Shankar , Symeon Chatzinotas

Traditional self-interference cancellation (SIC) methods are common in full-duplex (FD) integrated sensing and communication (ISAC) systems. However, exploring new SIC schemes is important due to the limitations of traditional approaches.…

信号处理 · 电气工程与系统科学 2024-10-25 Yu Liu , Gaojie Chen , Yun Wen , Qu Luo , Chiya Zhang , Dusit Niyato

In this paper, we investigate the integration of simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RIS) with rate-splitting multiple access (RSMA) for improving physical layer security (PLS) in integrated…

信号处理 · 电气工程与系统科学 2025-11-04 Thanh Nha To , Hoang Lai Pham , Quynh Nguyen Thi , Tuan Anh Pham , Le Thanh Bang

Recently, there has been a flurry of research on the use of Reconfigurable Intelligent Surfaces (RIS) in wireless networks to create dynamic radio environments. In this paper, we investigate the use of an RIS panel to improve bi-directional…

信号处理 · 电气工程与系统科学 2021-06-30 Abdullah Almasoud , Mohamed Y. Selim , Ahamd Alsharoa , Ahmed E. Kamal

Integrated sensing and communication (ISAC) has been receiving a notable interest as an energy- and spectrum-efficient enabler for simultaneous communication and sensing. Notably, reconfigurable intelligent surfaces (RIS) is among the key…

信息论 · 计算机科学 2026-04-07 Elmehdi Illi , Marwa Qaraqe

Intelligent reflecting surface (IRS) has been widely studied in recent years, it has emerged as a new technology which can reflect the incident signal by intelligently configuring the reflection elements, thus changing the signal…

信息论 · 计算机科学 2024-05-07 Jintao Luo , Sixing Yin

Reconfigurable intelligent surfaces (RISs) are key enablers for integrated sensing and communication (ISAC) systems in the 6G communication era. With the capability of dynamically shaping the channel, RISs can enhance communication…

Reconfigurable intelligent surface (RIS)-empowered communication is a revolutionary technology that enables to manipulate wireless propagation environment via smartly controllable low-cost reflecting surfaces. However, in order to…

信息论 · 计算机科学 2022-12-13 Zehra Yigit , Ertugrul Basar , Ibrahim Altunbas

Reconfigurable intelligent surface (RIS) has drawn considerable attention from the research society recently, which creates favorable propagation conditions by controlling the phase shifts of the reflected waves at the surface, thereby…

信息论 · 计算机科学 2019-11-01 Boya Di , Hongliang Zhang , Lingyang Song , Yonghui Li , Zhu Han , H. Vincent Poor

Integrated sensing and communication (ISAC) has attracted growing interests for sixth-generation (6G) and beyond wireless networks. The primary challenges faced by highly efficient ISAC include limited sensing and communication (S&C)…

信号处理 · 电气工程与系统科学 2023-11-02 Kaitao Meng , Qingqing Wu , Christos Masouros , Wen Chen , Deshi Li

Reconfigurable intelligent surface (RIS) has emerged as a cost-effective and energy-efficient technique for 6G. By adjusting the phase shifts of passive reflecting elements, RIS is capable of suppressing the interference and combining the…

信息论 · 计算机科学 2023-04-26 Jinglian He , Yijie Mao , Yong Zhou , Ting Wang , Yuanming Shi