research
∙
09/17/2023
Toward Beamfocusing-Aided Near-Field Communications: Research Advances, Potential, and Challenges
Next-generation mobile networks promise to support high throughput, mass...
share
research
∙
07/31/2023
Continuous-Time Channel Prediction Based on Tensor Neural Ordinary Differential Equation
Channel prediction is critical to address the channel aging issue in mob...
research
∙
07/23/2023
Robust Weighted Sum-Rate Maximization for Transmissive RIS Transmitter Enabled RSMA Networks
Due to the low power consumption and low cost nature of transmissive rec...
research
∙
06/28/2023
Near-Field Beam Management for Extremely Large-Scale Array Communications
Extremely large-scale arrays (XL-arrays) have emerged as a promising tec...
research
∙
05/19/2023
Reconfigurable Intelligent Surfaces for 6G: Nine Fundamental Issues and One Critical Problem
Thanks to the recent advances in metamaterials, reconfigurable intellige...
research
∙
01/22/2023
Location Division Multiple Access for Near-Field Communications
Spatial division multiple access (SDMA) is essential to improve the spec...
research
∙
01/20/2023
Can Continuous Aperture MIMO Achieve Much Better Performance than Discrete MIMO?
The concept of continuous-aperture multiple-input multiple-output (CAP-M...
research
∙
01/08/2023
Cross Far- and Near-field Wireless Communications in Terahertz Ultra-large Antenna Array Systems
Terahertz (THz) band owning the abundant multi-ten-GHz bandwidth is capa...
research
∙
12/31/2022
Active RISs: Signal Modeling, Asymptotic Analysis, and Beamforming Design
Reconfigurable intelligent surfaces (RISs) have emerged as a candidate t...
research
∙
12/30/2022
Hierarchical Beam Training for Extremely Large-Scale MIMO: From Far-Field to Near-Field
Extremely large-scale MIMO (XL-MIMO) is a promising technique for future...
research
∙
12/30/2022
Enabling More Users to Benefit from Near-Field Communications: From Linear to Circular Array
Massive multiple-input multiple-output (MIMO) for 5G is evolving into th...
research
∙
12/16/2022
Near-Field Wideband Channel Estimation for Extremely Large-Scale MIMO
Extremely large-scale multiple-input-multiple-output (XL-MIMO) at millim...
research
∙
12/06/2022
Electromagnetic Information Theory: Fundamentals, Modeling, Applications, and Open Problems
Traditional single-input single-output and multiple-input multiple-outpu...
research
∙
06/30/2022
Transmissive RIS for 6G Communications: Design, Prototyping, and Experimental Demonstrations
Reconfigurable intelligent surface (RIS) has been widely considered as a...
research
∙
05/28/2022
Performance Analysis of Self-Interference Cancellation in Full-Duplex Massive MIMO Systems: Subtraction versus Spatial Suppression
Massive multiple-input multiple-output (MIMO) and full-duplex (FD) are p...
research
∙
05/08/2022
Demo: Real-Time Semantic Communications with a Vision Transformer
Semantic communications are expected to enable the more effective delive...
research
∙
05/07/2022
Double-Side Near-Field Channel Estimation for Extremely Large-Scale MIMO System
Accurate channel estimation is essential to empower extremely large-scal...
research
∙
05/07/2022
Near-Field Rainbow: Wideband Beam Training for XL-MIMO
Wideband extremely large-scale multiple-input-multiple-output (XL-MIMO) ...
research
∙
04/24/2022
On Finite-Time Mutual Information
Shannon-Hartley theorem can accurately calculate the channel capacity wh...
research
∙
03/30/2022
Near-Field Communications for 6G: Fundamentals, Challenges, Potentials, and Future Directions
Extremely large antenna array (ELAA) is a common feature of several key ...
research
∙
03/27/2022
Pattern-Division Multiplexing for Continuous-Aperture MIMO
In recent years, continuous-aperture multiple-input multiple-output (CAP...
research
∙
12/29/2021
Distance-Aware Precoding for Near-Field Capacity Improvement in XL-MIMO
Extremely large-scale MIMO (XL-MIMO) communication is a promising techno...
research
∙
12/08/2021
Beam Squint in Ultra-wideband mmWave Systems: RF Lens Array vs. Phase-Shifter-Based Array
In this article, we discuss the potential of radio frequency (RF) lens f...
research
∙
11/16/2021
Continuous-Aperture MIMO for Electromagnetic Information Theory
In recent years, the concept of continuous-aperture MIMO (CAP-MIMO) is r...
research
∙
10/31/2021
Capacity for Electromagnetic Information Theory
Traditional channel capacity based on one-dimensional time domain mismat...
research
∙
10/31/2021
Finite-Time Capacity: Making Exceed-Shannon Possible?
Shannon-Hartley theorem can accurately calculate the channel capacity wh...
research
∙
09/30/2021
Capacity Enhancement for Reconfigurable Intelligent Surface-Aided Wireless Network: from Regular Array to Irregular Array
Reconfigurable intelligent surface (RIS) is promising for future 6G wire...
research
∙
09/21/2021
Codebook Design and Beam Training for Extremely Large-Scale RIS: Far-Field or Near-Field?
Reconfigurable intelligent surface (RIS) can improve the capacity of the...
research
∙
09/21/2021
Near-Field Wideband Beamforming for Extremely Large Antenna Array
Extremely large antenna array for wideband communications is a promising...
research
∙
09/16/2021
Channel Estimation for Extremely Large-Scale Massive MIMO: Far-Field, Near-Field, or Hybrid-Field?
Extremely large-scale massive MIMO (XL-MIMO) is a promising technique fo...
research
∙
08/18/2021
Wideband Channel Estimation for THz Massive MIMO
Terahertz (THz) communication is considered to be a promising technology...
research
∙
08/17/2021
Channel Estimation for Extremely Large-Scale MIMO: Far-Field or Near-Field?
Extremely large-scale multiple-input-multiple-output (XL-MIMO) with hybr...
research
∙
08/07/2021
Nonexistence of a Universal Algorithm for Traveling Salesman Problems in Constructive Mathematics
Proposed initially from a practical circumstance, the traveling salesman...
research
∙
07/19/2021
Compact User-Side Reconfigurable Intelligent Surfaces for Uplink Transmission
Large-scale antenna arrays employed by the base station (BS) constitute ...
research
∙
03/28/2021
Active RIS vs. Passive RIS: Which Will Prevail in 6G?
From 1G to 5G, wireless channels have been traditionally considered to b...
research
∙
02/22/2021
Residual-Aided End-to-End Learning of Communication System without Known Channel
Leveraging powerful deep learning techniques, the end-to-end (E2E) learn...
research
∙
02/10/2021
Delay-Phase Precoding for Wideband THz Massive MIMO
Benefiting from tens of GHz bandwidth, terahertz (THz) communication is ...
research
∙
01/23/2021
Channel Estimation for RIS Assisted Wireless Communications: Part II – An Improved Solution Based on Double-Structured Sparsity
Reconfigurable intelligent surface (RIS) can manipulate the wireless com...
research
∙
01/23/2021
Channel Estimation for RIS Assisted Wireless Communications: Part I – Fundamentals, Solutions, and Future Opportunities
The reconfigurable intelligent surface (RIS) with low hardware cost and ...
research
∙
12/11/2020
Reconfigurable Intelligent Surface Based Hybrid Precoding for THz Communications
Terahertz (THz) communication has been considered as a promising technol...
research
∙
12/08/2020
Wideband Beam Tracking in THz Massive MIMO Systems
Terahertz (THz) massive multiple-input multipleoutput (MIMO) has been co...
research
∙
10/11/2020
Joint Transceiver and Large Intelligent Surface Design for Massive MIMO MmWave Systems
Large intelligent surface (LIS) has recently emerged as a potential low-...
research
∙
08/24/2020
On the Power Leakage Problem in Millimeter-Wave Massive MIMO with Lens Antenna Arrays
The emerging millimeter-wave (mmWave) massive multiple-input multiple-ou...
research
∙
07/12/2020
Deep Learning for Wireless Communications: An Emerging Interdisciplinary Paradigm
Wireless communications are envisioned to bring about dramatic changes i...
research
∙
07/11/2020
Capacity Improvement in Wideband Reconfigurable Intelligent Surface-Aided Cell-Free Network
Thanks to the strong ability against the inter-cell interference, cell-f...
research
∙
05/21/2020
THz Precoding for 6G: Applications, Challenges, Solutions, and Opportunities
Benefiting from the ultra-wide bandwidth, terahertz (THz) communication ...
research
∙
04/15/2020
Channel Feedback for Reconfigurable Intelligent Surface Assisted Wireless Communications
Reconfigurable intelligent surface (RIS) has received widespread attenti...
research
∙
02/10/2020
A Joint Precoding Framework for Wideband Reconfigurable Intelligent Surface-Aided Cell-Free Network
Thanks to the strong ability against the inter-cell interference, cell-f...
research
∙
12/08/2019
Reconfigurable Intelligent Surface-Based Wireless Communication: Antenna Design, Prototyping and Experimental Results
One of the key enablers of future wireless communications is constituted...
research
∙
10/28/2019