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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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08/11/2023
Joint Beamforming Optimization for Active STAR-RIS Assisted ISAC systems
In this paper, we investigate an active simultaneously transmitting and ...
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05/25/2023
A Tutorial on Holographic MIMO Communications–Part III: Open Opportunities and Challenges
Holographic multiple-input multiple-output (HMIMO) technology, which use...
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05/25/2023
A Tutorial on Holographic MIMO Communications–Part II: Performance Analysis and Holographic Beamforming
As Part II of a three-part tutorial on holographic multiple-input multip...
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05/25/2023
A Tutorial on Holographic MIMO Communications–Part I: Channel Modeling and Channel Estimation
By integrating a nearly infinite number of reconfigurable elements into ...
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05/23/2023
Walsh Meets OAM in Holographic MIMO
Holographic multiple-input multiple-output (MIMO) is deemed as a promisi...
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05/17/2023
Asynchronous Grant-Free Random Access: Receiver Design with Partially Uni-Directional Message Passing and Interference Suppression Analysis
Massive Machine-Type Communications (mMTC) features a massive number of ...
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05/14/2023
Stacked Intelligent Metasurfaces for Efficient Holographic MIMO Communications in 6G
The revolutionary technology of Stacked Intelligent Metasurfaces (SIM) h...
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05/12/2023
Semantic-aware Digital Twin for Metaverse: A Comprehensive Review
To facilitate the deployment of digital twins in Metaverse, the paradigm...
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04/11/2023
Holographic MIMO Communications with Arbitrary Surface Placements: Near-Field LoS Channel Model and Capacity Limit
Envisioned as one of the most promising technologies, holographic multip...
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04/11/2023
Active RIS-aided EH-NOMA Networks: A Deep Reinforcement Learning Approach
An active reconfigurable intelligent surface (RIS)-aided multi-user down...
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03/14/2023
Effects of Mutual Coupling on Degree of Freedom and Antenna Efficiency in Holographic MIMO Communications
The holographic multiple-input-multiple-output (MIMO) communications ref...
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03/09/2023
Robust Holographic mmWave Beamforming by Self-Supervised Hybrid Deep Learning
Beamforming with large-scale antenna arrays has been widely used in rece...
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02/10/2023
Channel Modeling and Multi-User Precoding for Tri-Polarized Holographic MIMO Communications
This paper studies the exploitation of triple polarization (TP) for mult...
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01/05/2023
Energy Efficient Semantic Communication over Wireless Networks with Rate Splitting
In this paper, the problem of wireless resource allocation and semantic ...
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12/05/2022
WAIR-D: Wireless AI Research Dataset
It is a common sense that datasets with high-quality data samples play a...
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12/02/2022
Holographic MIMO Communications: Theoretical Foundations, Enabling Technologies, and Future Directions
Future wireless systems are envisioned to create an endogenously hologra...
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11/10/2022
Robust Security Energy Efficiency Optimization for RIS-Aided Cell-Free Networks with Multiple Eavesdroppers
In this paper, we investigate the energy efficiency (EE) problem under r...
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11/07/2022
Tri-Polarized Holographic MIMO Surface in Near-Field: Channel Modeling and Precoding Design
This paper investigates the utilization of triple polarization (TP) for ...
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10/25/2022
Variational Bayesian Inference Clustering Based Joint User Activity and Data Detection for Grant-Free Random Access in mMTC
Tailor-made for massive connectivity and sporadic access, grant-free ran...
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10/18/2022
Electromagnetic Effective-Degree-of-Freedom Limit of a MIMO System in 2-D Inhomogeneous Environment
Compared with a single-input-single-output (SISO) wireless communication...
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10/07/2022
Over-the-Air Split Machine Learning in Wireless MIMO Networks
In split machine learning (ML), different partitions of a neural network...
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08/27/2022
Extra DoF of Near-Field Holographic MIMOCommunications Leveraging Evanescent Waves
In this letter, we consider transceivers with spatially-constrained ante...
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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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08/12/2022
Multiple RISs Assisted Cell-Free Networks With Two-timescale CSI: Performance Analysis and System Design
Reconfigurable intelligent surface (RIS) can be employed in a cell-free ...
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07/25/2022
Beamforming Analysis and Design for Wideband THz Reconfigurable Intelligent Surface Communications
Reconfigurable intelligent surface (RIS)-aided terahertz (THz) communica...
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07/06/2022
Cooperative Beamforming for RIS-Aided Cell-Free Massive MIMO Networks
The combination of cell-free massive multiple-input multiple-output (CF-...
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07/06/2022
Beam Selection for RIS-Enabled Terahertz Multi-User MIMO Systems via Multi-Task Learning
Reconfigurable intelligent surface (RIS) and hybrid beamforming have bee...
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07/06/2022
Nanoscale Reconfigurable Intelligent Surface Design and Performance Analysis for Terahertz Communications
Terahertz (THz) communications have been envisioned as a promising enabl...
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05/29/2022
Safeguarding NOMA Networks via Reconfigurable Dual-Functional Surface under Imperfect CSI
This paper investigates the use of the reconfigurable dual-functional su...
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05/18/2022
Deep Reinforcement Learning Based on Location-Aware Imitation Environment for RIS-Aided mmWave MIMO Systems
Reconfigurable intelligent surface (RIS) has recently gained popularity ...
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05/08/2022
Pervasive Machine Learning for Smart Radio Environments Enabled by Reconfigurable Intelligent Surfaces
The emerging technology of Reconfigurable Intelligent Surfaces (RISs) is...
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04/11/2022
Multi-User Wireless Communications with Holographic MIMO Surfaces: A Convenient Channel Model and Spectral Efficiency Analysis
The multi-user Holographic Multiple-Input and Multiple-Output Surface (M...
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02/16/2022
Deep Contextual Bandits for Orchestrating Multi-User MISO Systems with Multiple RISs
The emergent technology of Reconfigurable Intelligent Surfaces (RISs) ha...
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02/11/2022
RIS-Aided Wireless Communications: Extra Degrees of Freedom via Rotation and Location Optimization
We consider the extra degree of freedom offered by the rotation of the r...
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12/31/2021
Efficient Channel Estimation for RIS-Aided MIMO Communications with Unitary Approximate Message Passing
Reconfigurable intelligent surface (RIS) is very promising for wireless ...
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12/16/2021
Electromagnetic Effective Degree of Freedom of a MIMO System in Free Space
Effective degree of freedom (EDOF) of a multiple-input-multiple-output (...
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12/09/2021
Multiple Residual Dense Networks for Reconfigurable Intelligent Surfaces Cascaded Channel Estimation
Reconfigurable intelligent surface (RIS) constitutes an essential and pr...
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12/06/2021
Multi-User Holographic MIMO Surface: Channel Modeling and Spectral Efficiency Analysis
The multi-user Holographic Multiple-Input and Multiple-Output Surface (M...
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11/12/2021
A Robust Deep Learning-Based Beamforming Design for RIS-assisted Multiuser MISO Communications with Practical Constraints
Reconfigurable intelligent surface (RIS) has become a promising technolo...
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11/09/2021
Time-Varying Channel Prediction for RIS-Assisted MU-MISO Networks via Deep Learning
To mitigate the effects of shadow fading and obstacle blocking, reconfig...
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08/25/2021
A Bayesian Tensor Approach to Enable RIS for 6G Massive Unsourced Random Access
This paper investigates the problem of joint massive devices separation ...
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07/21/2021
Bidirectional Approximate Message Passing for RIS-Assisted Multi-User MISO Communications
Reconfigurable intelligent surfaces (RISs) have been recently considered...
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06/28/2021
Channel Estimation and Signal Recovery for RIS-empowered Communications
Reconfigurable intelligent surfaces (RISs) have been recently considered...
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04/30/2021
Energy Efficient Reconfigurable Intelligent Surface Enabled Mobile Edge Computing Networks with NOMA
Reconfigurable intelligent surface (RIS) has emerged as a promising tech...
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01/22/2021
Multi-hop RIS-Empowered Terahertz Communications: A DRL-based Hybrid Beamforming Design
Wireless communication in the TeraHertz band (0.1–10 THz) is envisioned ...
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12/24/2020
Optimal Resource Allocation for Multi-UAV Assisted Visible Light Communication
In this paper, the optimization of deploying unmanned aerial vehicles (U...
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11/26/2020
Joint Channel Estimation and Signal Recovery in RIS-Assisted Multi-User MISO Communications
Reconfigurable Intelligent Surfaces (RISs) have been recently considered...
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10/22/2020
Channel Estimation for Full-Duplex RIS-assisted HAPS Backhauling with Graph Attention Networks
In this paper, the graph attention network (GAT) is firstly utilized for...
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09/20/2020