English
Related papers

Related papers: On Performance of Distributed RIS-aided Communicat…

200 papers

Reconfigurable intelligent surface (RIS) has recently gained significant interest as an emerging technology for future wireless networks thanks to its potential for improving the coverage probability in challenging propagation environments.…

Information Theory · Computer Science 2023-09-08 Trinh Van Chien , Lam Thanh Tu , Waqas Khalid , Heejung Yu , Symeon Chatzinotas , Marco Di Renzo

We consider the extra degree of freedom offered by the rotation of the reconfigurable intelligent surface (RIS) plane and investigate its potential in improving the performance of RIS-assisted wireless communication systems. By considering…

Information Theory · Computer Science 2022-02-14 Yajun Cheng , Wei Peng , Chongwen Huang , George C. Alexandropoulos , Chau Yuen , Mérouane Debbah

In this paper, we investigate the performance of a reconfigurable intelligent surface (RIS) assisted large-scale network by characterizing the coverage probability and the average achievable rate using stochastic geometry. Considering the…

Signal Processing · Electrical Eng. & Systems 2022-08-19 Tianxiong Wang , Gaojie Chen , Mihai-Alin Badiu , Justin P. Coon

In this paper, we investigate the performance of an RIS-aided wireless communication system subject to outdated channel state information that may operate in both the near- and far-field regions. In particular, we take two RIS deployment…

Information Theory · Computer Science 2022-01-25 Yan Zhang , Jiayi Zhang , Marco Di Renzo , Huahua Xiao , Bo Ai

Reconfigurable Intelligent Surfaces (RIS) are planar structures connected to electronic circuitry, which can be employed to steer the electromagnetic signals in a controlled manner. Through this, the signal quality and the effective data…

Information Theory · Computer Science 2021-12-21 Long Kong , Steven Kisseleff , Symeon Chatzinotas , Björn Ottersten , Melike Erol-Kantarci

Reconfigurable intelligent surfaces (RISs) have recently gained significant interest as an emerging technology for future wireless networks. This paper studies an RIS-assisted propagation environment, where a single-antenna source transmits…

Information Theory · Computer Science 2021-10-27 Trinh Van Chien , Lam Thanh Tu , Dinh-Hieu Tran , Hieu Van Nguyen , Symeon Chatzinotas , Marco Di Renzo , Björn Ottersten

Reconfigurable intelligent surface (RIS) is an emerging technology to enhance wireless communication in terms of energy cost and system performance by equipping a considerable quantity of nearly passive reflecting elements. This study…

Information Theory · Computer Science 2021-03-17 Jun Zhang , Jie Liu , Shaodan Ma , Chao-Kai Wen , Shi Jin

The reconfigurable intelligent surface (RIS) technology allows one to engineer spatial diversity in complex cellular networks. This paper provides a framework for the system-level performance assessment of RIS-assisted networks and in…

Information Theory · Computer Science 2024-11-12 Guodong Sun , Francois Baccelli , Ke Feng , Luis Uzeda Garcia , Stefano Paris

Reconfigurable intelligent surfaces (RIS) have been presented as a solution to realize the concept of smart radio environments, wherein uninterrupted coverage and extremely high quality of service can be ensured. In this paper, assuming…

Active reconfigurable intelligent surface (RIS) emerges as an effective technique to resist the double-fading attenuation of passive RIS. By embedding with power harvesting function, it further evolves to zero-power active RIS, which can…

Information Theory · Computer Science 2025-10-17 Xiao Zheng , Wenchi Cheng , Jingqing Wang , Zhuohui Yao , Jiangzhou Wang

The millimeter wave (mmWave) has received considerable interest due to its expansive bandwidth and high frequency. However, a noteworthy challenge arises from its vulnerability to blockages, leading to reduced coverage and achievable rates.…

Information Theory · Computer Science 2024-02-12 Yuan Xu , Chongwen Huang , Wei Li , Yongxu Zhu , Zhaohui Yang , Jiguang He , Jun Yang , Zhaoyang Zhang , Chau Yuen , Merouane Debbah

Reconfigurable intelligent surfaces (RIS) have been actively researched as a potential technique for future wireless communications, which intelligently ameliorate the signal propagation environment. In the conventional design, each RIS…

Information Theory · Computer Science 2022-03-17 Qingchao Li , Mohammed El-Hajjar , Ibrahim Hemadeh , Arman Shojaeifard , Alain A. M. Mourad , Bruno Clerckx , Lajos Hanzo

Reconfigurable intelligent surfaces (RISs) enhance wireless communication by creating engineered signal reflection paths in addition to direct links. This work presents a stochastic geometry framework using point processes (PPs) to model…

Performance · Computer Science 2025-04-24 Guodong Sun , Francois Baccelli

Reconfigurable intelligent surfaces (RISs) are a promising technology for enhancing cellular network performance and yielding additional value to network operators. This paper proposes a techno-economic analysis of RIS-assisted cellular…

Performance · Computer Science 2025-01-22 Guodong Sun , Francois Baccelli , Luis Uzeda Garcia , Stefano Paris

Reconfigurable intelligent surface (RIS) technology is emerging as a promising technique for performance enhancement for next-generation wireless networks. This paper investigates the physical layer security of an RIS-assisted…

Information Theory · Computer Science 2024-03-25 Wei Shi , Jindan Xu , Wei Xu , Chau Yuen , A. Lee Swindlehurst , Chunming Zhao

The reconfigurable intelligent surface (RIS) is a promising technology that is anticipated to enable high spectrum and energy efficiencies in future wireless communication networks. This paper investigates optimum location-based RIS…

Information Theory · Computer Science 2022-06-07 Yuting Fang , Saman Atapattu , Hazer Inaltekin , Jamie Evans

In this paper, we study the statistical characterization and modeling of distributed multi-reconfigurable intelligent surface (RIS)-aided wireless systems. Specifically, we consider a practical system model where the RISs with different…

Information Theory · Computer Science 2021-10-01 Tri Nhu Do , Georges Kaddoum , Thanh Luan Nguyen , Daniel Benevides da Costa , Zygmunt J. Haas

Reconfigurable intelligent surface (RIS) is a novel meta-material which can form a smart radio environment by dynamically altering reflection directions of the impinging electromagnetic waves. In the prior literature, the inter-RIS links…

Information Theory · Computer Science 2024-03-13 Kaizhe Xu , Jiajia Guo , Jun Zhang , Shi Jin , Shaodan Ma

Reconfigurable intelligent surfaces (RISs) have received extensive concern to improve the performance of wireless communication systems. In this paper, a subarray-based scheme is investigated in terms of its effects on ergodic spectral…

Information Theory · Computer Science 2023-09-25 Xinyi Yang , Weicong Chen , Xiao Li , Shi Jin

Millimeter wave (mmWave) has attracted considerable attention due to its wide bandwidth and high frequency. However, it is highly susceptible to blockages, resulting in significant degradation of the coverage and the sum rate. A promising…

Information Theory · Computer Science 2024-04-10 Yuan Xu , Li Wei , Chongwen Huang , Yongxu Zhu , Zhaohui Yang , Jun Yang , Jiguang He , Zhaoyang Zhang , Mérouane Debbah
‹ Prev 1 2 3 10 Next ›