140 citations · 394 across the 35 of their papers we have counts for
35 papers
Introducing Meta-Fiber into Stacked Intelligent Metasurfaces for MIMO Communications: A Low-Complexity Design with only Two Layers
Hong Niu, Jiancheng An, Tuo Wu +8
Stacked intelligent metasurfaces (SIMs), which integrate multiple programmable metasurface layers, have recently emerged as a promising technology for advanced wave-domain signal p…
Orthogonal Time-Frequency Space (OTFS) Aided Media-Based Modulation System For 6G and Beyond Wireless Communications Networks
Burak Ahmet Ozden, Murat Kaymaz, Erdogan Aydin +5
This paper proposes a new orthogonal time frequency space (OTFS)-based index modulation system called OTFS-aided media-based modulation (MBM) scheme (OTFS-MBM), which is a promisin…
Integrated Sensing and Communications Over the Years: An Evolution Perspective
Di Zhang, Yuanhao Cui, Xiaowen Cao +10
Integrated Sensing and Communications (ISAC) enables efficient spectrum utilization and reduces hardware costs for beyond 5G (B5G) and 6G networks, facilitating intelligent applica…
Deterministic and Statistical Analysis of the DoF of Continuous Linear Arrays in the Near Field
Athanasios G. Kanatas, Harris K. Armeniakos, Harpreet S. Dhillon +1
This paper examines the number of communication modes, that is, the degrees of freedom (DoF) in a wireless line-of-sight channel comprising a small continuous linear intelligent an…
Stacked Intelligent Metasurface Enabled Near-Field Multiuser Beamfocusing in the Wave Domain
Xing Jia, Jiancheng An, Hao Liu +4
Intelligent surfaces represent a breakthrough technology capable of customizing the wireless channel cost-effectively. However, the existing works generally focus on planar wavefro…
Beyond Diagonal Reconfigurable Intelligent Surfaces for Multi-Carrier RF Wireless Power Transfer
Amirhossein Azarbahram, Onel L. A. López, Bruno Clerckx +2
Radio frequency (RF) wireless power transfer (WPT) is promising for promoting sustainability in future wireless systems, but its low end-to-end power transfer efficiency is a criti…
A Tractable Closed-Form Approximation of the Ergodic Rate in Poisson Cellular Networks
Alexis I. Aravanis, Thanh Tu Lam, Olga Muñoz +2
The employment of stochastic geometry for the analysis and design of ultra dense networks (UDNs) has provided significant insights into network densification. In addition to the ch…
Joint Precoding and AP Selection for Energy Efficient RIS-aided Cell-Free Massive MIMO Using Multi-agent Reinforcement Learning
Enyu Shi, Jiayi Zhang, Ziheng Liu +5
Cell-free (CF) massive multiple-input multiple-output (mMIMO) and reconfigurable intelligent surface (RIS) are two advanced transceiver technologies for realizing future sixth-gene…
Rate Splitting Multiple Access for RIS-aided URLLC MIMO Broadcast Channels
Mohammad Soleymani, Ignacio Santamaria, Eduard Jorswieck +3
The performance of modern wireless communication systems is typically limited by interference. The impact of interference can be even more severe in ultra-reliable and low-latency…
Reconfigurable Intelligent Surface (RIS) System Level Simulations for Industry Standards
Yifei Yuan, Yuhong Huang, Xin Su +3
Reconfigurable intelligent surface (RIS) is an emerging technology for wireless communications. In this paper, extensive system level simulations are conducted for analyzing the pe…
Codebook-Based Solutions for Reconfigurable Intelligent Surfaces and Their Open Challenges
Jiancheng An, Chao Xu, Qingqing Wu +4
Reconfigurable intelligent surfaces (RIS) is a revolutionary technology to cost-effectively improve the performance of wireless networks. We first review the existing framework of…
Secure Outage Analysis of RIS-Assisted Communications with Discrete Phase Control
Wei Shi, Jindan Xu, Wei Xu +2
This correspondence investigates a reconfigurable intelligent surface (RIS)-assisted wireless communication system with security threats. The RIS is deployed to enhance the secrecy…
Federated Spectrum Learning for Reconfigurable Intelligent Surfaces-Aided Wireless Edge Networks
Bo Yang, Xuelin Cao, Chongwen Huang +6
Increasing concerns on intelligent spectrum sensing call for efficient training and inference technologies. In this paper, we propose a novel federated learning (FL) framework, dub…
Digital Reconfigurable Intelligent Surfaces: On the Impact of Realistic Reradiation Models
Marco Di Renzo, Abdelhamed Ahmed, Alessio Zappone +4
Reconfigurable intelligent surface (RIS) is an emerging technology that is under investigation for different applications in wireless communications. RISs are often analyzed and op…
Performance Analysis of Multi-Reconfigurable Intelligent Surface-Empowered THz Wireless Systems
Alexandros-Apostolos A. Boulogeorgos, Nestor Chatzidiamantis, Harilaos G. Sandalidis +2
In this paper, we introduce a theoretical framework for analyzing the performance of multi-reconfigurable intelligence surface (RIS) empowered terahertz (THz) wireless systems subj…
Reconfigurable Intelligent Surfaces with Outdated Channel State Information: Centralized vs. Distributed Deployments
Yan Zhang, Jiayi Zhang, Marco Di Renzo +2
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…
MARISA: A Self-configuring Metasurfaces Absorption and Reflection Solution Towards 6G
Antonio Albanese, Francesco Devoti, Vincenzo Sciancalepore +2
Reconfigurable Intelligent Surfaces (RISs) are considered one of the key disruptive technologies towards future 6G networks. RISs revolutionize the traditional wireless communicati…
Polarization-Based Reconfigurable Tags for Robust Ambient Backscatter Communications
Romain Fara, Dinh-Thuy Phan-Huy, Abdelwaheb Ourir +5
Ambient backscatter communication is an emerging and promising low-energy technology for the Internet of Things. In such a system, a tag sends a binary message to a reader by backs…
RIS and Cell-Free Massive MIMO: A Marriage For Harsh Propagation Environments
Trinh Van Chien, Hien Quoc Ngo, Symeon Chatzinotas +2
This paper considers Cell-Free Massive Multiple Input Multiple Output (MIMO) systems with the assistance of an RIS for enhancing the system performance. Distributed maximum-ratio c…
A Prototype of Reconfigurable Intelligent Surface with Continuous Control of the Reflection Phase
Romain Fara, Philippe Ratajczak, Dinh-Thuy Phan Huy +3
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 rec…
Reconfigurable Intelligent Surface-Assisted Aerial-Terrestrial Communications via Multi-Task Learning
Xuelin Cao, Bo Yang, Chongwen Huang +4
The aerial-terrestrial communication system constitutes an efficient paradigm for supporting and complementing terrestrial communications. However, the benefits of such a system ca…
Reconfigurable Intelligent Surface -Assisted Ambient Backscatter Communications -- Experimental Assessment
Romain Fara, Dinh-Thuy Phan-Huy, Philippe Ratajczak +3
Sixth generation (6G) mobile networks may include new passive technologies, such as ambient backscatter communication or the use of reconfigurable intelligent surfaces, to avoid th…
MIMO Interference Channels Assisted by Reconfigurable Intelligent Surfaces: Mutual Coupling Aware Sum-Rate Optimization Based on a Mutual Impedance Channel Model
Andrea Abrardo, Davide Dardari, Marco Di Renzo +1
We investigate a multi-user multiple-input multiple-output interference network in the presence of multiple reconfigurable intelligent surfaces (RISs). The entire system is describ…
Reconfigurable Intelligent Surface (RIS) Aided Multi-User Networks: Interplay Between NOMA and RIS
Yuanwei Liu, Xidong Mu, Xiao Liu +3
This article focuses on the exploitation of reconfigurable intelligent surfaces (RISs) in multi-user networks employing orthogonal multiple access (OMA) or non-orthogonal multiple…