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This paper investigates the multiuser tracking and signal detection problem in integrated sensing and communication (ISAC) systems with the assistance of reconfigurable intelligent surfaces (RISs). Due to the diverse and high user mobility,…

信号处理 · 电气工程与系统科学 2025-09-18 Weifeng Zhu , Junyuan Gao , Shuowen Zhang , Liang Liu

To address the complex beam control in traditional multiple-input multiple-output (MIMO) systems, researchers have proposed adaptive beam alignment using retro-directive antenna (RDA) arrays. This approach creates echo resonance between the…

信号处理 · 电气工程与系统科学 2025-06-06 Yixuan Guo , Shuaifan Xia , Mingliang Xiong , Qingwen Liu , Wen Fang , Qingwei Jiang , Gang Yan , Jiangchuan Mu

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…

信息论 · 计算机科学 2023-07-03 Fangzhou Wang , A. Lee Swindlehurst

Integrated sensing and communications (ISAC) are envisioned to be an integral part of future wireless networks, especially when operating at the millimeter-wave (mmWave) and terahertz (THz) frequency bands. However, establishing wireless…

信号处理 · 电气工程与系统科学 2022-11-03 Sundeep Prabhakar Chepuri , Nir Shlezinger , Fan Liu , George C. Alexandropoulos , Stefano Buzzi , Yonina C. Eldar

The recent development of integrated sensing and communications (ISAC) technology offers new opportunities to meet high-throughput and low-latency communication as well as high-resolution localization requirements in vehicular networks.…

信息论 · 计算机科学 2023-08-15 Kaitao Meng , Qingqing Wu , Wen Chen , Deshi Li

This paper investigates a reconfigurable intelligent surface (RIS)-assisted integrated sensing and communication (ISAC) system and proposes a joint communication and sensing beamforming design based on non-orthogonal multiple access (NOMA)…

Integrated sensing and communications (ISAC) is an emerging critical technique for the next generation of communication systems. However, due to multiple performance metrics used for communication and sensing, the limited degrees-of-freedom…

信号处理 · 电气工程与系统科学 2024-01-26 Yongqing Xu , Yong Li , J. Andrew Zhang , Marco Di Renzo , Tony Q. S. Quek

In this paper, we investigate an active simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted integrated sensing and communications (ISAC) system, where the dual-function base station (DFBS)…

信息论 · 计算机科学 2024-11-15 Shuang Zhang , Wanming Hao , Gangcan Sun , Chongwen Huang , Zhengyu Zhu , Xingwang Li , Chau Yuen

This paper studies a comprehensive framework for reconfigurable intelligent surface (RIS)-assisted integrated communication, sensing, and computation (ICSC) systems with a User-centric focus. The study encompasses two scenarios: the general…

信号处理 · 电气工程与系统科学 2024-09-05 Jiahua Wan , Hong Ren , Zhiyuan Yu , Zhenkun Zhang , Yang Zhang , Cunhua Pan , Jiangzhou Wang

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

Integrated sensing and communication (ISAC) enables the joint use of spectrum and hardware resources for radar sensing and data transmission, serving as a key enabler of next-generation wireless networks. However, most existing ISAC studies…

信号处理 · 电气工程与系统科学 2025-11-25 Seonghoon Yoo , Jaemin Jung , Seongah Jeong , Jinkyu Kang , Markku Juntti , Joonhyuk Kang

Integrated sensing and communication (ISAC) systems have the issue of secrecy leakage when using the ISAC waveforms for sensing, thus posing a potential risk for eavesdropping. To address this problem, we propose to employ movable antennas…

信息论 · 计算机科学 2024-10-07 Yaodong Ma , Kai Liu , Yanming Liu , Lipeng Zhu , Zhenyu Xiao

This paper investigates the cell-free multi-user integrated sensing and communication (ISAC) system, where multiple base stations collaboratively track the users and detect their signals. Moreover, reconfigurable intelligent surfaces (RISs)…

信号处理 · 电气工程与系统科学 2026-02-23 Weifeng Zhu , Junyuan Gao , Shuowen Zhang , Meixia Tao , Liang Liu

Energy efficiency (EE) is a challenging task in integrated sensing and communication (ISAC) systems, where high spectral efficiency and low energy consumption appear as conflicting requirements. Although passive reconfigurable intelligent…

信号处理 · 电气工程与系统科学 2024-09-23 Junjie Ye , Mohamed Rihan , Peichang Zhang , Lei Huang , Stefano Buzzi , Zhen Chen

In this paper, we present a novel reconfigurable intelligent surface (RIS)-assisted integrated sensing and communication (ISAC) system with 1-bit quantization at the ISAC base station. An RIS is introduced in the ISAC system to mitigate the…

信号处理 · 电气工程与系统科学 2022-11-04 R. S. Prasobh Sankar , Sundeep Prabhakar Chepuri

Reconfigurable Intelligent Surface (RIS) is a promising solution to reconfigure the wireless environment in a controllable way. To compensate for the double-fading attenuation in the RIS-aided link, a large number of passive reflecting…

信息论 · 计算机科学 2021-03-02 Ruizhe Long , Ying-Chang Liang , Yiyang Pei , Erik G. Larsson

The synergy between integrated sensing and communication (ISAC) and reconfigurable intelligent surfaces (RISs) unlocks novel applications and advanced services for next-generation wireless networks, yet also introduces new security…

信号处理 · 电气工程与系统科学 2026-03-26 Zehra Yigit , Sefa Kayraklik , Ertugrul Basar , Ali Gorcin

In this paper, we investigate a reconfigurable intelligent surface (RIS)-assisted integrated sensing and communications (ISAC) framework equipped with multiple Rydberg atomic receiver (RAR)-aided users. By leveraging the reference-assisted…

信号处理 · 电气工程与系统科学 2026-01-13 Hong-Bae Jeon , Chan-Byoung Chae

This paper investigates the design of integrated sensing and communication (ISAC) systems assisted by simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs), which act as multi-functional programmable…

信号处理 · 电气工程与系统科学 2026-02-19 Ziming Liu , Tao Chen , Giacinto Gelli , Vincenzo Galdi , Francesco Verde

This paper studies integrated sensing and communication (ISAC) technology in a full-duplex (FD) uplink communication system. As opposed to the half-duplex system, where sensing is conducted in a first-emit-then-listen manner, FD ISAC system…

信息论 · 计算机科学 2023-09-22 Yuan Guo , Yang Liu , Qingqing Wu , Xin Zeng , Qingjiang Shi