English
Related papers

Related papers: Deep-Learning Channel Estimation for IRS-Assisted …

200 papers

Integrated sensing and communication (ISAC) is a promising technique to provide sensing services in future wireless networks. Numerous existing works have adopted a monostatic radar architecture to realize ISAC, i.e., employing the same…

Information Theory · Computer Science 2023-05-17 Dongfang Xu , Chang Liu , Shenghui Song , Derrick Wing Kwan Ng

Bistatic Integrated Sensing and Communication (ISAC) is poised to become a cornerstone technology in next-generation communication networks, such as Beyond 5G (B5G) and 6G, by enabling the concurrent execution of sensing and communication…

Signal Processing · Electrical Eng. & Systems 2025-07-15 Yi Wang , Keke Zu , Luping Xiang , Martin Haardt , Chaochao Wang , Xianchao Zhang , Kun Yang

In this letter, we study efficient channel estimation and passive beamforming designs for a double-intelligent reflecting surface (IRS) aided single-user communication system, where a user communicates with an access point (AP) via the…

Information Theory · Computer Science 2020-08-27 Changsheng You , Beixiong Zheng , Rui Zhang

For intelligent reflecting surface (IRS)-aided wireless communications, channel estimation is essential and usually requires excessive channel training overhead when the number of IRS reflecting elements is large. The acquisition of…

Signal Processing · Electrical Eng. & Systems 2022-03-14 Yi Wei , Ming-Min Zhao , An Liu , Min-Jian Zhao

In this work, the problem of communication and radar sensing in orthogonal time frequency space (OTFS) with reduced cyclic prefix (RCP) is addressed. A monostatic integrated sensing and communications (ISAC) system is developed and, it is…

Signal Processing · Electrical Eng. & Systems 2025-04-30 Mauro Marchese , Musa Furkan Keskin , Pietro Savazzi , Henk Wymeersch

This paper proposes a three-dimensional (3D) geometry-based channel model to accurately represent intelligent reflecting surfaces (IRS)-enhanced integrated sensing and communication (ISAC) networks using rate-splitting multiple access…

Information Theory · Computer Science 2025-01-28 Zhangfeng Ma , Ruichen Zhang , Bo Ai , Zhuxian Lian , Linzhou Zeng , Dusit Niyato

Integrated sensing and communication (ISAC) is expected to play a crucial role in the sixth-generation (6G) mobile communication systems, offering potential applications in the scenarios of intelligent transportation, smart factories, etc.…

Networking and Internet Architecture · Computer Science 2024-04-29 Zhiqing Wei , Jinzhu Jia , Yangyang Niu , Lin Wang , Huici Wu , Heng Yang , Zhiyong Feng

Intelligent reflecting surface (IRS) has emerged as a key enabling technology to realize smart and reconfigurable radio environment for wireless communications, by digitally controlling the signal reflection via a large number of passive…

Information Theory · Computer Science 2022-02-02 Beixiong Zheng , Changsheng You , Weidong Mei , Rui Zhang

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

In this paper, we propose a novel integrated sensing and communication (ISAC)-enabled dual-scale channel estimation framework, where large-scale channel estimation benefits from sensing, and the temporal variation of small-scale channel…

Information Theory · Computer Science 2026-01-05 Bai Zhiyue , Dai Minghui , Hou Fen , Shan hangguan , Cai X Lin , Shen , Xuemin

Prior studies on Intelligent Reflecting Surface (IRS) have mostly assumed perfect channel state information (CSI) available for designing the IRS passive beamforming as well as the continuously adjustable phase shift at each of its…

Information Theory · Computer Science 2020-03-25 Changsheng You , Beixiong Zheng , Rui Zhang

Integrated sensing and communication (ISAC) is a promising technology to simultaneously provide high-performance wireless communication and radar sensing services in future networks. In this paper, we propose the concept of \emph{integrated…

Signal Processing · Electrical Eng. & Systems 2024-07-31 Chaoyue Zhang , Zhiwen Zhou , Huizhi Wang , Yong Zeng

Integrated Sensing and Communication (ISAC) technology plays a critical role in future intelligent transportation systems, by enabling vehicles to perceive and reconstruct the surrounding environment through reuse of wireless signals,…

Signal Processing · Electrical Eng. & Systems 2026-03-23 Junzhe Song , Ruisi He , Mi Yang , Zhengyu Zhang , Bingcheng Liu , Jiahui Han , Haoxiang Zhang , Bo Ai

To achieve the more significant passive beamforming gain in the double-intelligent reflecting surface (IRS) aided system over the conventional single-IRS counterpart, channel state information (CSI) is indispensable in practice but also…

Information Theory · Computer Science 2021-03-12 Beixiong Zheng , Changsheng You , Rui Zhang

Channel estimation is one of the main tasks in realizing practical intelligent reflecting surface-assisted multi-user communication (IRS-MC) systems. However, different from traditional communication systems, an IRS-MC system generally…

Signal Processing · Electrical Eng. & Systems 2021-08-03 Chang Liu , Xuemeng Liu , Derrick Wing Kwan Ng , Jinhong Yuan

Active reconfigurable intelligent surface (ARIS) is a newly emerging RIS technique that leverages radio frequency (RF) reflection amplifiers to empower phase-configurable reflection elements (REs) in amplifying the incident signal. Thereby,…

Signal Processing · Electrical Eng. & Systems 2023-11-07 Hao Chen , Nanxi Li , Ruizhe Long , Ying-Chang Liang

The emerging 6G network envisions integrated sensing and communication (ISAC) as a promising solution to meet growing demand for native perception ability. To optimize and evaluate ISAC systems and techniques, it is crucial to have an…

Signal Processing · Electrical Eng. & Systems 2024-03-04 Zhengyu Zhang , Ruisi He , Bo Ai , Mi Yang , Yong Niu , Zhangdui Zhong , Yujian Li , Xuejian Zhang , Jing Li

This paper explores the potential of the intelligent reflecting surface (IRS) in realizing multi-user concurrent communication and localization, using the same time-frequency resources. Specifically, we propose an IRS-enabled multi-user…

Information Theory · Computer Science 2022-11-23 Zhouyuan Yu , Xiaoling Hu , Chenxi Liu , Mugen Peng , Caijun Zhong

Realizing edge intelligence consists of sensing, communication, training, and inference stages. Conventionally, the sensing and communication stages are executed sequentially, which results in excessive amount of dataset generation and…

Signal Processing · Electrical Eng. & Systems 2022-01-25 Tong Zhang , Shuai Wang , Guoliang Li , Fan Liu , Guangxu Zhu , Rui Wang

This paper investigates the integrated sensing and communication (ISAC) in vehicle-to-infrastructure (V2I) networks. To realize ISAC, an effective beamforming design is essential which however, highly depends on the availability of accurate…

Signal Processing · Electrical Eng. & Systems 2022-04-28 Chang Liu , Weijie Yuan , Shuangyang Li , Xuemeng Liu , Husheng Li , Derrick Wing Kwan Ng , Yonghui Li