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A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided communication system is investigated. A robust joint beamforming design problem under the imperfect channel state information (CSI) is…

信号处理 · 电气工程与系统科学 2025-01-13 Haochen Li , Xidong Mu , Yuanwei Liu , Yue Chen , Pan Zhiwen

Aiming at providing wireless communication systems with environment-perceptive capacity, emerging integrated sensing and communication (ISAC) technologies face multiple difficulties, especially in balancing the performance trade-off between…

信息论 · 计算机科学 2023-07-18 Xin Zhao , Heng Liu , Shiqi Gong , Xin Ju , Chengwen Xing , Nan Zhao

This paper exploits the potential of reconfigurable intelligent surface (RIS) to improve radar sensing in a non-orthogonal multiple access (NOMA) empowered integrated sensing and communication (NOMA-ISAC) network. The objective is to…

信息论 · 计算机科学 2022-09-29 Jiakuo Zuo , Yuanwei Liu

In this article, we investigate the robust beamforming design for a simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided downlink rate-splitting multiple access (RSMA) communication system, where both…

信号处理 · 电气工程与系统科学 2025-08-08 Ziyue Wang , Xiaoyan Ma , Xingyu Peng , Zheao Li , Jinyuan Liu , Yongliang Guan , Chau Yuen

Integrated sensing and communication (ISAC) has emerged as a promising paradigm for next-generation (6G) wireless networks, unifying radar sensing and communication on a shared hardware platform. This paper proposes a dynamic array…

信号处理 · 电气工程与系统科学 2025-03-19 Rang Liu , Ming Li , A. Lee Swindlehurst

Beyond diagonal reconfigurable intelligent surfaces (BD-RIS) can realize the interconnection between reflecting elements through the impedance network, thereby providing a new approach for the performance improvement of integrated sensing…

信息论 · 计算机科学 2026-03-17 Xuejun Cheng , Qian Zhang , Yuhui Jiao , Shiyao Guo , Xiaotong Xu , Guanghui Luo , Ju Liu

A novel integrated sensing and communication (ISAC) system is proposed, where a dual-functional base station is utilized to transmit the superimposed non-orthogonal multiple access (NOMA) communication signal for serving communication users…

信息论 · 计算机科学 2022-10-07 Jiakuo Zuo , Yuanwei Liu , Chenming Zhu , Yixuan Zou , Dengyin Zhang , Naofal Al-Dhahir

In this paper, we investigate the intelligent reflecting surface (IRS)/reconfigurable intelligent surface (RIS)-aided integrated sensing and communication (ISAC) system based on sensing mutual information (MI). Specifically, the base…

信号处理 · 电气工程与系统科学 2025-04-03 Jin Li , Gui Zhou , Tantao Gong , Nan Liu , Rui Zhang

Integrated sensing and communication (ISAC) has emerged as a key paradigm for next-generation wireless systems, which allows wireless resources to be used for data transmission and target sensing simultaneously. In this paper, multi-user…

信号处理 · 电气工程与系统科学 2026-03-19 Ling He , Vaibhav Kumar , Roberto Bomfin , Yingyang Chen , Miaowen Wen , Marwa Chafii

This paper investigates a practical partially-connected hybrid beamforming transmitter for integrated sensing and communication (ISAC) with distortion from nonlinear power amplification. For this ISAC system, we formulate a communication…

信号处理 · 电气工程与系统科学 2025-07-21 Zeyuan Zhang , Yue Xiu , Phee Lep Yeoh , Guangyi Liu , Zixing Wu , Ning Wei

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided near-field multiple-input multiple-output (MIMO) communication framework is proposed. A weighted sum rate maximization problem for the joint…

信号处理 · 电气工程与系统科学 2024-12-11 Li Haochen , Yuanwei Liu , Xidong Mu , Yue Chen , Pan Zhiwen

In this paper, sensing-assisted secure communication in a multi-user multi-eavesdropper integrated sensing and communication (ISAC) system is investigated. Confidential communication signals and dedicated sensing signals are jointly…

信号处理 · 电气工程与系统科学 2025-10-07 Fanghao Xia , Zesong Fei , Xinyi Wang , Nanchi Su , Zhaolin Wang , Yuanwei Liu , Jie Xu

The following paper presents a reconfigurable intelligent surface (RIS)-aided integrated sensing and communication (ISAC) system model scenario, where a base station communicates with a user, and a bi-static sensing unit, i.e. the passive…

信号处理 · 电气工程与系统科学 2024-11-12 Ahmad Bazzi , Marwa Chafii

In this letter, we study the simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted unmanned aerial vehicle (UAV) communications. Our goal is to maximize the sum rate of all users by jointly…

信息论 · 计算机科学 2022-09-09 Qin Zhang , Yang Zhao , Hai Li , Shujuan Hou , Zhengyu Song

Different from conventional radar, the cellular network in the integrated sensing and communication (ISAC) system enables collaborative sensing by multiple sensing nodes, e.g., base stations (BSs). However, existing works normally assume…

信号处理 · 电气工程与系统科学 2023-05-10 Yiming Xu , Dongfang Xu , Lei Xie , Shenghui Song

Mobile edge computing (MEC) is powerful to alleviate the heavy computing tasks in integrated sensing and communication (ISAC) systems. In this paper, we investigate joint beamforming and offloading design in a three-tier integrated sensing,…

信息论 · 计算机科学 2024-01-29 Peng Liu , Zesong Fei , Xinyi Wang , Yiqing Zhou , Yan Zhang , Fan Liu

In this paper, we investigate a movable antenna (MA)-aided integrated sensing and communication (ISAC) system, where a reconfigurable intelligent surface (RIS) is employed to enhance wireless communication and sensing performance in dead…

信号处理 · 电气工程与系统科学 2024-09-12 Haisu Wu , Hong Ren , Cunhua Pan , Yang Zhang

Integrated sensing and communication (ISAC) unifies sensing and communication, and improves the efficiency of the spectrum, energy, and hardware. In this work, we investigate the ISAC beamforming design to maximize the mutual information…

信号处理 · 电气工程与系统科学 2023-01-12 Jin Li , Gui Zhou , Tantao Gong , Nan Liu

Integrated sensing and communication (ISAC) has emerged as a transformative technology for 6G networks, enabling the seamless integration of communication and sensing functionalities. Reconfigurable intelligent surfaces (RIS), with their…

信号处理 · 电气工程与系统科学 2025-01-14 Shoushuo Zhang , Rang Liu , Ming Li , Wei Wang , Qian Liu

Beamforming design has been widely investigated for integrated sensing and communication (ISAC) systems with full-duplex (FD) sensing and half-duplex (HD) communication. To achieve higher spectral efficiency, in this paper, we extend…

信息论 · 计算机科学 2023-04-20 Zhenyao He , Wei Xu , Hong Shen , Derrick Wing Kwan Ng , Yonina C. Eldar , Xiaohu You