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Related papers: Nanoscale Reconfigurable Intelligent Surface Desig…

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While the researchers have set their sights on future wireless networks of 2030, communications through reconfigurable intelligent surfaces (RISs) appears as one of the potential enabling technologies for 6G wireless networking. This…

Information Theory · Computer Science 2021-03-05 E. Basar , I. Yildirim

Existing research works on reconfigurable intelligent surfaces (RIS) based terahertz (THz) system ignores the effect of phase noise and employ the zero-boresight pointing errors model of the free-space optics channel in performance…

Information Theory · Computer Science 2022-11-17 Omkar R. Durgada , Vinay Kumar Chapala , S. M. Zafaruddin

This paper studies the potential of RIS-integrated NTNs to revolutionize the next-generation connectivity. First, it discusses the fundamentals of RIS technology. Secondly, it delves into reporting the recent advances in RIS-enabled NTNs.…

Signal Processing · Electrical Eng. & Systems 2023-10-26 Wali Ullah Khan , Asad Mahmood , Chandan Kumar Sheemar , Eva Lagunas , Symeon Chatzinotas , Björn Ottersten

Reconfigurable intelligent surface (RIS) is a promising solution to boost coverage sustainably by reflecting waves from a transmitter to a receiver and acting as a low-power and passive relay. In this paper, for the first time, we…

Information Theory · Computer Science 2023-07-14 Philippe Ratajczak , Eric Séguenot , Dinh-Thuy Phan-Huy

A reconfigurable intelligent surface (RIS) is commonly made of low-cost passive and reflective meta-materials with excellent beam steering capabilities. It is applied to enhance wireless communication systems as a customizable signal…

Signal Processing · Electrical Eng. & Systems 2024-07-16 Kun Chen-Hu , Petar Popovski

The march towards 6G is accelerating and future wireless network architectures require enhanced performance along with significant coverage especially, to combat impairments on account of the wireless channel. Reconfigurable intelligent…

Signal Processing · Electrical Eng. & Systems 2023-08-16 Emre Arslan , Fatih Kilinc , Ertugrul Basar , Huseyin Arslan

With the development of the next generation of mobile networks, new research challenges have emerged, and new technologies have been proposed to face them. On the one hand, the reconfigurable intelligent surface (RIS) technology is being…

Signal Processing · Electrical Eng. & Systems 2021-05-26 Romain Fara , Philippe Ratajczak , Dinh-Thuy Phan Huy , Abdelwaheb Ourir , Marco Di Renzo , Julien De Rosny

In this paper, a broadband 1-bit coding metasurface-based reconfigurable intelligent surface (RIS) is presented. The unit cell of the metasurface consists of a wide dipole modified with interdigital capacitors and loaded with an SMP…

Systems and Control · Electrical Eng. & Systems 2026-05-05 Khagendra Joshi , Deepak Kumar Sahoo , Kamalesh Kumar K , Debidas Kundu , Vivek A. Bohara , Amalendu Patnaik

Reconfigurable intelligent surface (RIS) is considered as a promising solution for next-generation wireless communication networks due to a variety of merits, e.g., customizing the communication environment. Therefore, deploying multiple…

Signal Processing · Electrical Eng. & Systems 2023-02-09 Mengbing Liu , Chongwen Huang , Marco Di Renzo , Merouane Debbah , Chau Yuen

In recent years, unmanned aerial vehicles (UAVs) have become a key role in wireless communication networks due to their flexibility and dynamic adaptability. However, the openness of UAV-based communications leads to security and privacy…

Signal Processing · Electrical Eng. & Systems 2025-12-11 Chong Huang , Gaojie Chen , Zhuoao Xu , Jing Zhu , Taisong Pan , Rahim Tafazolli , Wei Huang

Reconfigurable Intelligent Surfaces (RISs) are a promising technique for enhancing the performance of Next Generation (NextG) wireless communication systems in terms of both spectral and energy efficiency, as well as resource utilization.…

Networking and Internet Architecture · Computer Science 2025-04-22 Maria Tsampazi , Tommaso Melodia

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…

Networking and Internet Architecture · Computer Science 2020-07-21 Y. Ugur Ozcan , Ozgur Ozdemir , Gunes Karabulut Kurt

Reconfigurable Intelligent Surfaces (RISs) are envisioned to play a key role in future wireless communications, enabling programmable radio propagation environments. They are usually considered as almost passive planar structures that…

Information Theory · Computer Science 2022-08-12 Haiyang Zhang , Nir Shlezinger , George C Alexandropoulos , Idban Alamzadeh , Mohammadreza F Imani , Yonina C Eldar

Although the fifth-generation (5G) technologies will significantly improve the spectrum and energy efficiency of today's wireless communication networks, their high complexity and hardware cost as well as increasingly more energy…

Information Theory · Computer Science 2019-09-02 Qingqing Wu , Rui Zhang

Beyond diagonal reconfigurable intelligent surfaces (BD-RIS) have emerged as a transformative technology for enhancing wireless communication by intelligently manipulating the propagation environment. This paper explores the potential of…

Signal Processing · Electrical Eng. & Systems 2025-03-21 Wali Ullah Khan , Chandan Kumar Sheemar , Eva Lagunas , Symeon Chatzinotas

Reconfigurable Intelligent Surface (RIS) draws great attentions in academic and industry due to its passive and low power consumption nature, and has currently been used in physical layer security to enhance the secure transmission.…

Information Theory · Computer Science 2021-12-21 Limeng Dong , Hui-Ming Wang , Jiale Bai

Reconfigurable intelligent surfaces (RISs) have attracted wide interest from industry and academia since they can shape the wireless environment into a desirable form with a low cost. In practice, RISs have three types of implementations:…

Information Theory · Computer Science 2021-02-16 Shuhao Zeng , Hongliang Zhang , Boya Di , Yunhua Tan , Zhu Han , H. Vincent Poor , Lingyang Song

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

Recent research provides an approximation on the performance for reconfigurable intelligent surface (RIS) assisted systems over generalized fading channels with phase noise resulting from imperfect phase compensation at the RIS. In this…

Information Theory · Computer Science 2022-09-22 Vinay Kumar Chapala , S. M. Zafaruddin

Given its ability to control and manipulate wireless environments, reconfigurable intelligent surface (RIS), also known as intelligent reflecting surface (IRS), has emerged as a key enabler technology for the six-generation (6G) cellular…

Signal Processing · Electrical Eng. & Systems 2021-02-01 Ahmed Al-Hilo , Moataz Samir , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine