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Related papers: RIS-Assisted Joint Uplink Communication and Imagin…

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Transmissive reconfigurable intelligent surfaces (RIS) represent a transformative architecture for future wireless networks, enabling a paradigm shift from traditional costly base stations to low-cost, energy-efficient transmitters. This…

Information Theory · Computer Science 2025-11-17 Zhengwei Jiang , Yufeng Zhou , Xusheng Zhu , Wen Chen , Qingqing Wu , Kai-Kit Wong

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…

Information Theory · Computer Science 2023-07-18 Xin Zhao , Heng Liu , Shiqi Gong , Xin Ju , Chengwen Xing , Nan Zhao

Integrated sensing and communication (ISAC) is emerging as a key enabler to address the growing spectrum congestion problem and satisfy increasing demands for ubiquitous sensing and communication. By sharing various resources and…

Signal Processing · Electrical Eng. & Systems 2022-06-20 Rang Liu , Ming Li , Honghao Luo , Qian Liu , A. Lee Swindlehurst

In this work, we investigate a reconfigurable intelligent surface (RIS) aided integrated sensing and communication scenario, where a base station (BS) communicates with multiple devices in a full-duplex mode, and senses the positions of…

Signal Processing · Electrical Eng. & Systems 2022-08-16 Zhichao Shao , Xiaojun Yuan , Wei Zhang , Marco Di Renzo

This paper investigates the transmission design in the reconfigurable-intelligent-surface (RIS)-assisted downlink system. The channel state information (CSI) is usually difficult to be estimated at the base station (BS) when the RIS is not…

Information Theory · Computer Science 2021-02-05 Dong Wang , Xiaodong Wang , Fanggang Wang

The technology of Reconfigurable Intelligent Surfaces (RISs) has lately attracted considerable interest from both academia and industry as a low-cost solution for coverage extension and signal propagation control. In this paper, we study…

Information Theory · Computer Science 2022-08-03 Konstantinos D. Katsanos , Paolo Di Lorenzo , George C. Alexandropoulos

Reconfigurable intelligent surface (RIS) has become a promising technology to improve wireless communication in recent years. It steers the incident signals to create a favorable propagation environment by controlling the reconfigurable…

Information Theory · Computer Science 2021-11-15 Wangyang Xu , Lu Gan , Chongwen Huang

Emerging as a cornerstone for next-generation wireless networks, integrated sensing and communication (ISAC) systems demand innovative solutions to balance spectral efficiency and sensing accuracy. In this paper, we propose a coordinated…

Signal Processing · Electrical Eng. & Systems 2025-06-02 Chunjie Wang , Xuhui Zhang , Wenchao Liu , Jinke Ren , Huijun Xing , Shuqiang Wang , Yanyan Shen

As a critical technology for next-generation communication networks, integrated sensing and communication (ISAC) aims to achieve the harmonious coexistence of communication and sensing. The degrees-of-freedom (DoF) of ISAC is limited due to…

Information Theory · Computer Science 2024-10-28 Yongqing Xu , Yong Li , Tony Q. S. Quek

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…

Signal Processing · Electrical Eng. & Systems 2024-09-12 Haisu Wu , Hong Ren , Cunhua Pan , Yang Zhang

Reconfigurable intelligent surface (RIS)-empowered communications is on the rise and is a promising technology envisioned to aid in 6G and beyond wireless communication networks. RISs can manipulate impinging waves through their…

Signal Processing · Electrical Eng. & Systems 2022-05-19 Emre Arslan , Ibrahim Yildirim , Fatih Kilinc , Ertugrul Basar

In this work, in order to achieve higher spectrum efficiency, we propose a reconfigurable intelligent surface (RIS)-assisted multi-user communication uplink system. Different from previous work in which the RIS only optimizes the phase of…

Information Theory · Computer Science 2020-11-19 Liang Yang , Fanxu Meng , Mazen O. Hasna , Ertugrul Basar

Reconfigurable intelligent surface (RIS) is a newly-emerged technology that might fundamentally change how wireless networks are operated. Though extensively studied in recent years, the practical limitations of RIS are often neglected when…

Signal Processing · Electrical Eng. & Systems 2023-12-12 Parisa Ramezani , Yasaman Khorsandmanesh , Emil Björnson

Reconfigurable intelligent surface (RIS) has great potential to improve the performance of integrated sensing and communication (ISAC) systems, especially in scenarios where line-of-sight paths between the base station and users are…

Information Theory · Computer Science 2024-02-19 Xu Gan , Chongwen Huang , Zhaohui Yang , Caijun Zhong , Xiaoming Chen , Zhaoyang Zhang , Qinghua Guo , Chau Yuen , Merouane Debbah

This paper addresses the challenge of integrating multistatic coherent imaging functionalities in the downlink (DL) of a phase-coherent distributed multiple input multiple output (D-MIMO) communication network. During DL, the D-MIMO access…

Signal Processing · Electrical Eng. & Systems 2025-10-07 Dario Tagliaferri , Silvia Mura , Musa Furkan Keskin , Sauradeep Dey , Henk Wymeersch

This paper introduces a novel approach of utilizing the reconfigurable intelligent surface (RIS) for joint data modulation and signal beamforming in a multi-user downlink cellular network by leveraging the idea of backscatter communication.…

Information Theory · Computer Science 2021-08-25 Haseeb Ur Rehman , Faouzi Bellili , Amine Mezghani , Ekram Hossain

Integrated sensing and communication (ISAC), which simultaneously performs sensing and communication functions within a shared frequency band and hardware platform, has emerged as a promising technology for future wireless systems.…

Signal Processing · Electrical Eng. & Systems 2024-04-02 Qi Zhu , Ming Li , Rang Liu , Qian Liu

Beyond diagonal reconfigurable intelligent surfaces (BD-RIS) have emerged as a promising technology for 6G wireless networks, offering more advanced control over electromagnetic wave propagation than conventional diagonal RIS. This paper…

Signal Processing · Electrical Eng. & Systems 2025-10-01 Kexin Chen , Yijie Mao , Wonjae Shin

Integrated sensing and communication (ISAC) has recently emerged as a viable technique for establishing sensing and communication using the same resources. Nonetheless, the operation of ISAC networks is often challenged by the absence of a…

Information Theory · Computer Science 2025-04-30 Elmehdi Illi , Ahmad Bazzi , Marwa Qaraqe , Ali Ghrayeb

In this work, we study sensing-aided uplink transmission in an integrated sensing and communication (ISAC) vehicular network with the use of orthogonal time frequency space (OTFS) modulation. To exploit sensing parameters for improving…

Signal Processing · Electrical Eng. & Systems 2023-05-22 Xi Yang , Hang Li , Qinghua Guo , J. Andrew Zhang , Xiaojing Huang , Zhiqun Cheng