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Recent advances in the fabrication and experimentation of Reconfigurable Intelligent Surfaces (RISs) have motivated the concept of the smart radio environment, according to which the propagation of information-bearing waveforms in the…

Information Theory · Computer Science 2021-07-27 George C. Alexandropoulos , Nir Shlezinger , Philipp del Hougne

The concept of Smart Cities has been introduced as a way to benefit from the digitization of various ecosystems at a city level. To support this concept, future communication networks need to be carefully designed with respect to the city…

Signal Processing · Electrical Eng. & Systems 2020-09-03 Steven Kisseleff , Wallace A. Martins , Hayder Al-Hraishawi , Symeon Chatzinotas , Björn Ottersten

Reconfigurable intelligent surface (RIS)-empowered communication is one of the promising 6G technologies that allows the conversion of the wireless channel into an intelligent transmit entity by manipulating the impinging waves using…

Information Theory · Computer Science 2020-09-01 I. Yildirim , A. Uyrus , E. Basar

Recently there has been a flurry of research on the use of reconfigurable intelligent surfaces (RIS) in wireless networks to create smart radio environments. In a smart radio environment, surfaces are capable of manipulating the propagation…

Signal Processing · Electrical Eng. & Systems 2020-05-05 Mohamed A. ElMossallamy , Hongliang Zhang , Lingyang Song , Karim G. Seddik , Zhu Han , Geoffrey Ye Li

Reconfigurable intelligent surfaces (RISs) are regarded as a promising emerging hardware technology to improve the spectrum and energy efficiency of wireless networks by artificially reconfiguring the propagation environment of…

Information Theory · Computer Science 2020-08-18 Xiaojun Yuan , Ying-Jun Angela Zhang , Yuanming Shi , Wenjing Yan , Hang Liu

Maritime communication is becoming a vital component of 6G networks, driven by the rapid expansion of the maritime economy. However, existing technologies face critical challenges in signal coverage, availability, and robustness, especially…

Information Theory · Computer Science 2026-01-21 Qianqian Zhang , Long Wang , Ben Wu , Jia Mi

Reconfigurable intelligent surfaces (RISs), with the potential to realize a smart radio environment, have emerged as an energy-efficient and a cost-effective technology to support the services and demands foreseen for coming decades. By…

Information Theory · Computer Science 2021-07-13 Sarah Basharat , Syed Ali Hassan , Haris Pervaiz , Aamir Mahmood , Zhiguo Ding , Mikael Gidlund

Reconfigurable intelligent surface has attracted the attention of academia and industry as soon as it appears because it can flexibly manipulate the electromagnetic characteristics of wireless channel. Especially in the past one or two…

Networking and Internet Architecture · Computer Science 2022-01-19 Yajun Zhao , Mengnan Jian

The integration of Reconfigurable Intelligent Surfaces (RISs) into wireless environments endows channels with programmability, and is expected to play a key role in future communication standards. To date, most RIS-related efforts focus on…

Information Theory · Computer Science 2022-02-17 Kyriakos Stylianopoulos , Nir Shlezinger , Philipp del Hougne , George C. Alexandropoulos

Forthcoming 6G networks have two predominant features of wide coverage and sufficient computation capability. To support the promising applications, Integrated Sensing, Communication, and Computation (ISCC) has been considered as a vital…

Systems and Control · Electrical Eng. & Systems 2024-07-17 Bin Li , Wancheng Xie , Zesong Fei

Integrated sensing and communications (ISAC) are envisioned to be an integral part of future wireless networks, especially when operating at the millimeter-wave (mmWave) and terahertz (THz) frequency bands. However, establishing wireless…

Signal Processing · Electrical Eng. & Systems 2022-11-03 Sundeep Prabhakar Chepuri , Nir Shlezinger , Fan Liu , George C. Alexandropoulos , Stefano Buzzi , Yonina C. Eldar

Reconfigurable intelligent surfaces (RISs) have tremendous potential for both communication and localization. While communication benefits are now well-understood, the breakthrough nature of the technology may well lie in its capability to…

Reconfigurable intelligent surfaces (RISs) are two dimensional (2D) metasurfaces which can intelligently manipulate electromagnetic waves by low-cost near passive reflecting elements. RIS is viewed as a potential key technology for the…

Signal Processing · Electrical Eng. & Systems 2022-06-07 Jie Huang , Cheng-Xiang Wang , Yingzhuo Sun , Rui Feng , Jialing Huang , Bolun Guo , Zhimeng Zhong , Tie Jun Cui

The requirements of vehicular communications grow with increasing level of automated driving and future applications of intelligent transportation systems (ITS). Beside the ever-increasing need for high capacity radio links, reliability and…

Networking and Internet Architecture · Computer Science 2021-08-31 Karsten Heimann , Benjamin Sliwa , Manuel Patchou , Christian Wietfeld

Reconfigurable intelligent surfaces (RISs), also known as intelligent reflecting surfaces (IRSs), or large intelligent surfaces (LISs), have received significant attention for their potential to enhance the capacity and coverage of wireless…

Signal Processing · Electrical Eng. & Systems 2021-05-05 Yuanwei Liu , Xiao Liu , Xidong Mu , Tianwei Hou , Jiaqi Xu , Marco Di Renzo , Naofal Al-Dhahir

With both the standardization and commercialization completed in an unforeseen pace for the 5th generation (5G) wireless network, researchers, engineers and executives from the academia and the industry have turned their sights on candidate…

Networking and Internet Architecture · Computer Science 2024-02-20 Ruiqi Liu , Qingqing Wu , Marco Di Renzo , Yifei Yuan

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…

Signal Processing · Electrical Eng. & Systems 2020-12-10 Aly Sabri Abdalla , Talha Faizur Rahman , Vuk Marojevic

Reconfigurable intelligent surfaces (RISs) are rapidly gaining prominence in the realm of fifth generation (5G)-Advanced, and predominantly, sixth generation (6G) mobile networks, offering a revolutionary approach to optimizing wireless…

Information Theory · Computer Science 2024-06-17 Ertugrul Basar , George C. Alexandropoulos , Yuanwei Liu , Qingqing Wu , Shi Jin , Chau Yuen , Octavia A. Dobre , Robert Schober

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

Reconfigurable intelligent surfaces (RISs) enable reliable low-latency millimeter wave (mmWave) communication links in cases of a blocked line-of-sight (LoS) between the base station (BS) and the user equipment (UE), i.e. a RIS mounted on a…

Systems and Control · Electrical Eng. & Systems 2024-02-13 Hamed Radpour , Markus Hofer , David Loschenbrand , Lukas Walter Mayer , Andreas Hofmann , Martin Schiefer , Thomas Zemen
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