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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

In this paper, we propose a novel multi-functional reconfigurable intelligent surface (MF-RIS) that supports signal reflection, refraction, amplification, and target sensing simultaneously. Our MF-RIS aims to enhance integrated…

信号处理 · 电气工程与系统科学 2025-01-29 Dongsheng Han , Peng Wang , Wanli Ni , Wen Wang , Ailing Zheng , Dusit Niyato , Naofal Al-Dhahir

This paper explores the application of movable antenna (MA), a cutting-edge technology with the capability of altering antenna positions, in a symbiotic radio (SR) system enabled by reconfigurable intelligent surface (RIS). The goal is to…

信号处理 · 电气工程与系统科学 2025-04-24 Bin Lyu , Hao Liu , Meng Hua , Wenqing Hong , Shimin Gong , Feng Tian , Abbas Jamalipour

Movable antenna (MA) is an emerging technology that utilizes localized antenna movement to achieve better channel conditions for enhancing communication performance. In this paper, we study the MA-enhanced multicast transmission from a base…

信息论 · 计算机科学 2024-09-27 Ying Gao , Qingqing Wu , Wen Chen

Recently, the reconfigurable intelligent surface (RIS), benefited from the breakthrough on the fabrication of programmable meta-material, has been speculated as one of the key enabling technologies for the future six generation (6G)…

信息论 · 计算机科学 2022-06-23 Chongwen Huang , Ronghong Mo , Chau Yuen

Intelligent reflecting surface (IRS) and movable antenna (MA) are promising technologies to enhance wireless communication by reconfiguring channels at the environment and transceiver sides. However, their performance is constrained by…

信息论 · 计算机科学 2025-12-18 Chao Zhou , Changsheng You , Cong Zhou , Liujia Yao , Weijie Yuan , Beixiong Zheng , Nan Wu

This work presents a novel robust beamforming design dedicated for dual-functional radar and communication (DFRC) base stations (BSs) in the context of integrated sensing and communications (ISAC). The architecture is intended for…

信号处理 · 电气工程与系统科学 2023-03-15 Ahmad Bazzi , Marwa Chafii

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)…

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…

信号处理 · 电气工程与系统科学 2025-02-17 Rang Liu , Ming Li , Qian Liu , A. Lee Swindlehurst

Integrated sensing and communication (ISAC) has been regarded as one of the most promising technologies for future wireless communications. However, the mutual interference in the communication radar coexistence system cannot be ignored.…

信息论 · 计算机科学 2022-01-20 Yinghui He , Yunlong Cai , Hao Mao , Guanding Yu

Integrated sensing and communication (ISAC) has been envisioned as a promising technology to tackle the spectrum congestion problem for future networks. In this correspondence, we investigate to deploy a reconfigurable intelligent surface…

信号处理 · 电气工程与系统科学 2022-08-04 Honghao Luo , Rang Liu , Ming Li , Yang Liu , Qian Liu

We consider transmit beamforming and reflection pattern design in reconfigurable intelligent surface (RIS)-assisted integrated sensing and communication (ISAC) systems to jointly precode communication symbols and radar waveforms. We treat…

信号处理 · 电气工程与系统科学 2022-06-16 R. S. Prasobh Sankar , Sundeep Prabhakar Chepuri , Yonina C. Eldar

In this paper, we firstly overview the application scenarios and the research progress in the area of communication and radar spectrum sharing (CRSS). We then propose a novel transceiver architecture and frame structure for a…

信号处理 · 电气工程与系统科学 2019-06-04 Fan Liu , Christos Masouros , Athina Petropulu , Hugh Griffiths , Lajos Hanzo

Active reconfigurable intelligent surfaces (RISs) can improve the performance of integrated sensing and communication (ISAC), and therefore enable simultaneous data transmission and target sensing. However, when the line-of-sight (LoS) link…

信号处理 · 电气工程与系统科学 2024-10-17 Ahmed Magbool , Vaibhav Kumar , Mark F. Flanagan

This work studies a low-complexity design for reconfigurable intelligent surface (RIS)-aided multiuser multiple-input multiple-output systems. The base station (BS) applies receive antenna selection to connect a subset of its antennas to…

信号处理 · 电气工程与系统科学 2022-12-29 Chongjun Ouyang , Ali Bereyhi , Saba Asaad , Ralf R. Müller , Hongwen Yang

Integrated sensing and communication (ISAC) has been envisioned as a promising technique to alleviate the spectrum congestion problem. Inspired by the applications of reconfigurable intelligent surface (RIS) in dynamically manipulating…

信号处理 · 电气工程与系统科学 2023-02-23 Honghao Luo , Rang Liu , Ming Li , Qian Liu

Reconfigurable intelligent surface (RIS) is a promising reflective radio technology for improving the coverage and rate of future wireless systems by reconfiguring the wireless propagation environment. The current work mainly focuses on the…

网络与互联网体系结构 · 计算机科学 2021-03-24 Xuelin Cao , Bo Yang , Hongliang Zhang , Chongwen Huang , Chau Yuen , Zhu Han

One technology that has the potential to improve wireless communications in years to come is integrated sensing and communication (ISAC). In this study, we take advantage of reconfigurable intelligent surface's (RIS) potential advantages to…

信号处理 · 电气工程与系统科学 2023-08-22 Panpan Li , Yong Niu , Hao Wu , Zhu Han , Guiqi Sun , Ning Wang , Zhangdui Zhong , Bo Ai

This paper investigates an intelligent reflecting surface (IRS)-aided movable antenna (MA) system, where multiple IRSs cooperate with a multi-MA base station to extend wireless coverage to multiple target areas. The objective is to maximize…

信号处理 · 电气工程与系统科学 2026-01-15 Ying Gao , Qingqing Wu , Weidong Mei , Guangji Chen , Wen Chen , Ziyuan Zheng

Integrated sensing and communication (ISAC) capability is envisioned as one key feature for future cellular networks. Classical half-duplex (HD) radar sensing is conducted in a "first-emit-then-listen" manner. One challenge to realize HD…

信息论 · 计算机科学 2023-09-08 Yuan Guo , Yang Liu , Qingqing Wu , Xiaoyang Li , Qingjiang Shi