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09/17/2023
Toward Beamfocusing-Aided Near-Field Communications: Research Advances, Potential, and Challenges
Next-generation mobile networks promise to support high throughput, mass...
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09/12/2023
Tuning of Ray-Based Channel Model for 5G Indoor Industrial Scenarios
This paper presents an innovative method that can be used to produce det...
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09/07/2023
RIS-Assisted Wireless Communications: Long-Term versus Short-Term Phase Shift Designs
Reconfigurable intelligent surface (RIS) has recently gained significant...
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09/06/2023
Stacked Intelligent Metasurfaces for Multiuser Downlink Beamforming in the Wave Domain
Intelligent metasurface has recently emerged as a promising technology t...
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08/31/2023
Analysis and Optimization of Reconfigurable Intelligent Surfaces Based on S-Parameters Multiport Network Theory
In this paper, we consider a reconfigurable intelligent surface (RIS) an...
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08/28/2023
A Transmit-Receive Parameter Separable Electromagnetic Channel Model for LoS Holographic MIMO
To support the extremely high spectral efficiency and energy efficiency ...
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08/15/2023
On the Degrees of Freedom and Eigenfunctions of Line-of-Sight Holographic MIMO Communications
We consider a line-of-sight communication link between two holographic s...
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08/02/2023
Towards Integrated Sensing and Communications for 6G: A Standardization Perspective
The radio communication division of the International Telecommunication ...
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07/18/2023
RIS-Aided Index Modulation with Greedy Detection over Rician Fading Channels
Index modulation schemes for reconfigurable intelligent surfaces (RIS)-a...
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05/23/2023
A Vision and An Evolutionary Framework for 6G: Scenarios, Capabilities and Enablers
With the standardization and commercialization completed at an unforesee...
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05/22/2023
Optimization of RIS-aided SISO Systems Based on a Mutually Coupled Loaded Wire Dipole Model
The electromagnetic (EM) features of reconfigurable intelligent surfaces...
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04/14/2023
Energy-Efficient UAV Communications in the Presence of Wind: 3D Modeling and Trajectory Design
The rapid development of unmanned aerial vehicle (UAV) technology provid...
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04/13/2023
Low Complexity Optimization for Line-of-Sight RIS-Aided Holographic Communications
The synergy of metasurface-based holographic surfaces (HoloS) and reconf...
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04/04/2023
Reconfigurable Intelligent Surfaces: Interplay of Unit-Cell- and Surface-Level Design and Performance under Quantifiable Benchmarks
The ability of reconfigurable intelligent surfaces (RIS) to produce comp...
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03/08/2023
Energy Efficiency in RIS-Aided Wireless Networks: Active or Passive RIS?
This work addresses the comparison between active and passive RISs in wi...
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03/02/2023
ARES: Autonomous RIS solution with Energy harvesting and Self-configuration towards 6G
Reconfigurable Intelligent Surfaces (RISs) are expected to play a crucia...
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02/15/2023
Indexed Multiple Access with Reconfigurable Intelligent Surfaces: The Reflection Tuning Potential
Indexed modulation (IM) is an evolving technique that has become popular...
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02/07/2023
Joint Metrics for EMF Exposure and Coverage in Real-World Homogeneous and Inhomogeneous Cellular Networks
This paper evaluates the downlink performance of cellular networks in te...
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02/07/2023
Stacked Intelligent Metasurfaces for Multiuser Beamforming in the Wave Domain
Reconfigurable intelligent surface has recently emerged as a promising t...
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02/03/2023
Modeling and Optimization of Reconfigurable Intelligent Surfaces in Propagation Environments with Scattering Objects
The reconfigurable intelligent surface (RIS) is an emerging technology t...
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01/19/2023
On the Degrees of Freedom of RIS-Aided Holographic MIMO Systems
In this paper, we study surface-based communication systems based on dif...
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01/02/2023
RIS-Assisted Receive Quadrature Spatial Modulation with Low-Complexity Greedy Detection
In this paper, we propose a novel reconfigurable intelligent surface (RI...
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12/21/2022
Spatial Multiplexing in Near Field MIMO Channels with Reconfigurable Intelligent Surfaces
We consider a multiple-input multiple-output (MIMO) channel in the prese...
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12/10/2022
Throughput analysis of RIS-assisted UAV wireless systems under disorientation and misalignment
Reconfigurable intelligent surface (RIS)-assisted unmanned areal vehicle...
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11/11/2022
Codebook-Based Solutions for Reconfigurable Intelligent Surfaces and Their Open Challenges
Reconfigurable intelligent surfaces (RIS) is a revolutionary technology ...
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10/16/2022
Modeling the Mutual Coupling of Reconfigurable Metaurfaces
In [1], the authors have recently introduced a circuits-based approach f...
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10/16/2022
LoS MIMO-Arrays vs. LoS MIMO-Surfaces
The wireless research community has expressed major interest in the sub-...
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09/11/2022
Joint Activity Detection and Channel Estimation for Massive IoT Access Based on Millimeter-Wave/Terahertz Multi-Panel Massive MIMO
The multi-panel array, as a state-of-the-art antenna-in-package technolo...
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08/23/2022
Reconfiguring Wireless Environment via Intelligent Surfaces for 6G: Reflection, Modulation, and Security
Reconfigurable intelligent surface (RIS) has been recognized as an essen...
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08/17/2022
Artificial Intelligence Empowered Multiple Access for Ultra Reliable and Low Latency THz Wireless Networks
Terahertz (THz) wireless networks are expected to catalyze the beyond fi...
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08/16/2022
Multi-Point Integrated Sensing and Communication: Fusion Model and Functionality Selection
Integrated sensing and communication (ISAC) represents a paradigm shift,...
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06/27/2022
Intelligent Omni-Surfaces (IOSs) for the MIMO Broadcast Channel
In this paper, we consider intelligent omni-surfaces (IOSs), which are c...
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06/14/2022
A Novel RIS-Aided EMF-Aware Beamforming Using Directional Spreading, Truncation and Boosting
This paper addresses a drawback of massive multiple-input multiple-outpu...
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05/19/2022
Digital Reconfigurable Intelligent Surfaces: On the Impact of Realistic Reradiation Models
Reconfigurable intelligent surface (RIS) is an emerging technology that ...
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05/10/2022
The Road to Industry 4.0 and Beyond: A Communications-, Information-, and Operation Technology Collaboration Perspective
The fourth industrial revolution, i.e., Industry 4.0, is evolving all ar...
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04/24/2022
Bi-objective Optimization of Information Rate and Harvested Power in RIS-aided SWIPT Systems
The problem of simultaneously optimizing the information rate and the ha...
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03/30/2022
Beamforming Optimization for Active Intelligent Reflecting Surface-Aided SWIPT
In this paper, we study an active IRS-aided simultaneous wireless inform...
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03/28/2022
A 3D Positioning-based Channel Estimation Method for RIS-aided mmWave Communications
A fundamental challenge in millimeter-wave (mmWave) communication is the...
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02/24/2022
Robust Transmission Design for RIS-assisted Secure Multiuser Communication Systems in the Presence of Hardware Impairments
This paper investigates reconfigurable intelligent surface (RIS)-assiste...
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02/13/2022
Performance Analysis of Multi-Reconfigurable Intelligent Surface-Empowered THz Wireless Systems
In this paper, we introduce a theoretical framework for analyzing the pe...
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01/28/2022
Outage performance analysis of RIS-assisted UAV wireless systems under disorientation and misalignment
In this paper, we analyze the performance of a reconfigurable intelligen...
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01/22/2022
Reconfigurable Intelligent Surfaces with Outdated Channel State Information: Centralized vs. Distributed Deployments
In this paper, we investigate the performance of an RIS-aided wireless c...
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12/28/2021
Joint Activity and Blind Information Detection for UAV-Assisted Massive IoT Access
Grant-free non-coherent index-modulation (NC-IM) has been recently consi...
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12/24/2021
Analysis of the Delay Distribution in Cellular Networks by Using Stochastic Geometry
In this paper, with the aid of the mathematical tool of stochastic geome...
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12/03/2021
MARISA: A Self-configuring Metasurfaces Absorption and Reflection Solution Towards 6G
Reconfigurable Intelligent Surfaces (RISs) are considered one of the key...
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11/21/2021
Reconfigurable Intelligent Surfaces: Performance Assessment Through a System-Level Simulator
Reconfigurable intelligent surfaces (RISs) are considered a promising te...
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10/25/2021
Controlling Smart Propagation Environments: Long-Term versus Short-Term Phase Shift Optimization
Reconfigurable intelligent surfaces (RISs) have recently gained signific...
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10/04/2021
On the Maximum Achievable Sum-rate of the RIS-aided MIMO Broadcast Channel
Reconfigurable intelligent surfaces (RISs) represent a new technology th...
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10/02/2021
Communication Models for Reconfigurable Intelligent Surfaces: From Surface Electromagnetics to Wireless Networks Optimization
A reconfigurable intelligent surface (RIS) is a planar structure that is...
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09/12/2021