中文
相关论文

相关论文: RIS-Empowered Integrated Location Sensing and Comm…

200 篇论文

With the rapid development of high-speed railway systems and railway wireless communication, the application of ultra-wideband millimeter wave band is an inevitable trend. However, the millimeter wave channel has large propagation loss and…

信息论 · 计算机科学 2022-11-29 Panpan Li , Yong Niu , Hao Wu , Zhu Han , Bo Ai , Ning Wang , Zhangdui Zhong

A novel reconfigurable intelligent surface (RIS)-aided hybrid reflection/transmitter design is proposed for achieving information exchange in cross-media communications. In pursuit of the balance between energy efficiency and low-cost…

信号处理 · 电气工程与系统科学 2022-11-08 Mingming Wu , Yue Xiao , Yulan Gao , Ming Xiao

The technology of reconfigurable intelligent surfaces (RIS) has been showing promising potential in a variety of applications relying on Beyond-5G networks. Reconfigurable intelligent surface (RIS) can indeed provide fine channel…

5G radio positioning exploits information in both angle and delay, by virtue of increased bandwidth and large antenna arrays. When large arrays are embedded in surfaces, they can passively steer electromagnetic waves in preferred directions…

信号处理 · 电气工程与系统科学 2020-08-27 Henk Wymeersch , Benoît Denis

This paper considers a network of a multi-antenna array base station (BS) and a reconfigurable intelligent surface (RIS) to deliver both information to information users (IUs) and power to energy users (EUs). The RIS links the connection…

信息论 · 计算机科学 2022-01-11 H. Yu , H. D. Tuan , E. Dutkiewicz , H. V. Poor , L. Hanzo

Reconfigurable intelligent surface (RIS)-assisted transmission and space shift keying (SSK) appear as promising candidates for future energy-efficient wireless systems. In this paper, two RIS-based SSK schemes are proposed to efficiently…

信息论 · 计算机科学 2021-02-04 Qiang Li , Miaowen Wen , Shuai Wang , George C. Alexandropoulos , Yik-Chung Wu

Reconfigurable intelligent surface (RIS)-assisted communication systems have been extensively studied for providing high-precision location services. However, most studies have overlooked the impact of carrier frequency offset (CFO) and…

信号处理 · 电气工程与系统科学 2025-05-13 Hanfu Zhang , Erwu Liu , Rui Wang , Wei Ni , Zhe Xing , Yan Liu , Abbas Jamalipour

This letter studies the performance of reconfigurable intelligent surface (RIS)-aided communications for a fluid antenna system (FAS) enabled receiver. Specifically, a fixed singleantenna base station (BS) transmits information through a…

信息论 · 计算机科学 2024-02-27 Farshad Rostami Ghadi , Kai-Kit Wong , Wee Kiat New , Hao Xu , Ross Murch , Yangyang Zhang

Reconfigurable intelligent surfaces (RISs) are envisioned to be a disruptive wireless communication technique that is capable of reconfiguring the wireless propagation environment. In this paper, we study a free-space RIS-assisted…

信息论 · 计算机科学 2022-09-19 Xin Cheng , Yan Lin , Weiping Shi , Jiayu Li , Cunhua Pan , Feng Shu , Yongpeng Wu , Jiangzhou Wang

Different with conventional reconfigurable intelligent surface (RIS), simultaneous transmitting and reflecting RIS (STAR-RIS) can reflect and transmit the signals to the receiver. In this paper, to serve more ground users and increase the…

信息论 · 计算机科学 2023-05-23 Baihua Shi , Yang Wang , Danqi Li , Wenlong Cai , Jinyong Lin , Shuo Zhang , Weiping Shi , Shihao Yan , Feng Shu

A reconfigurable intelligent surface (RIS) is a metamaterial that can be integrated into walls and influence the propagation of electromagnetic waves. This, typically passive radio frequency (RF) technology is emerging for indoor and…

信号处理 · 电气工程与系统科学 2020-12-10 Aly Sabri Abdalla , Talha Faizur Rahman , Vuk Marojevic

Reconfigurable intelligent surfaces (RISs) have attracted enormous interest thanks to their ability to overcome line-of-sight blockages in mmWave systems, enabling in turn accurate localization with minimal infrastructure. Less investigated…

信号处理 · 电气工程与系统科学 2022-09-14 Alessio Fascista , Musa Furkan Keskin , Angelo Coluccia , Henk Wymeersch , Gonzalo Seco-Granados

Reconfigurable intelligent surface (RIS)-empowered communications represent exciting prospects as one of the promising technologies capable of meeting the requirements of the sixth generation networks such as low-latency, reliability, and…

信号处理 · 电气工程与系统科学 2024-02-12 Sefa Kayraklık , Ibrahim Yildirim , Yarkın Gevez , Ertugrul Basar , Ali Görçin

Reconfigurable Intelligent Surface (RIS) has emerged as a promising technology to enhance the wireless propagation environment for next-generation wireless communication systems. This paper introduces a new RIS-assisted multiple-antenna…

信息论 · 计算机科学 2025-11-14 Xiaofan Niu , Minquan Cheng , Kai Wan , Robert Caiming Qiu , Giuseppe Caire

The integration of reconfigurable intelligent surfaces (RIS) and fluid antenna systems (FAS) has attracted considerable attention due to its tremendous potential in enhancing wireless communication performance. However, under fast-fading…

网络与互联网体系结构 · 计算机科学 2025-11-04 Kaining Wang , Bo Yang , Yusheng Lei , Zhiwen Yu , Xuelin Cao , Liang Wang , Bin Guo , George C. Alexandropoulos , Mérouane Debbah , Zhu Han

Reconfigurable intelligent surfaces (RISs) are envisioned as a potentially transformative technology for future wireless communications. However, RISs' inability to process signals and the attendant increased channel dimension have brought…

信号处理 · 电气工程与系统科学 2023-02-14 Jieao Zhu , Kunzan Liu , Zhongzhichao Wan , Linglong Dai , Tie Jun Cui , H. Vincent Poor

A reconfigurable intelligent surface (RIS) is a holographic MIMO surface composed of a large number of passive elements that can induce adjustable phase shifts to the impinging waves. By creating virtual line-of-sight (LOS) paths between…

信号处理 · 电气工程与系统科学 2023-04-06 Mehdi Haghshenas , Parisa Ramezani , Maurizio Magarini , Emil Björnson

The use of real-time software-controlled reconfigurable intelligent surface (RIS) units is proposed to increase the reliability of vehicle-to-everything (V2X) communications. The optimum placement problem of the RIS units is formulated by…

网络与互联网体系结构 · 计算机科学 2020-07-21 Y. Ugur Ozcan , Ozgur Ozdemir , Gunes Karabulut Kurt

Reconfigurable intelligent surfaces (RISs) are expected to be a main component of future 6G networks, due to their capability to create a controllable wireless environment, and achieve extended coverage and improved localization accuracy.…

信号处理 · 电气工程与系统科学 2025-02-27 Mustafa Ammous , Hui Chen , Henk Wymeersch , Shahrokh Valaee

The reconfigurable intelligent surface (RIS) technology for metasurfaces is ushering in a new paradigm for wireless communication systems. It provides an accessible way for controlling the interaction between electromagnetic waves with the…

信号处理 · 电气工程与系统科学 2026-01-21 P. H. C. de Souza , M. Khazaee , L. L. Mendes