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09/08/2023
Double RIS-Assisted MIMO Systems Over Spatially Correlated Rician Fading Channels and Finite Scatterers
This paper investigates double RIS-assisted MIMO communication systems o...
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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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08/12/2023
Phase Shift Design for RIS-Aided Cell-Free Massive MIMO with Improved Differential Evolution
This paper proposes a novel phase shift design for cell-free massive mul...
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12/21/2022
Space-Terrestrial Cooperation Over Spatially Correlated Channels Relying on Imperfect Channel Estimates: Uplink Performance Analysis and Optimization
A whole suite of innovative technologies and architectures have emerged ...
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12/02/2022
Simultaneous Transmitting and Reflecting-Reconfigurable Intelligent Surface in 6G: Design Guidelines and Future Perspectives
Reconfigurable intelligent surfaces (RISs) have been considered as a pro...
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09/10/2022
Image Restoration under Semantic Communications
Semantic communication has emerged as the breakthrough beyond the Shanno...
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09/03/2022
Power Allocation for Space-Terrestrial Cooperation Systems with Statistical CSI
This paper studies an integrated network design that boosts system capac...
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08/28/2022
Learning to Optimize: Balancing Two Conflict Metrics in MB-HTS Networks
For multi-beam high throughput (MB-HTS) geostationary (GEO) satellite ne...
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08/23/2022
Security and Reliability Analysis of Satellite-Terrestrial Multi-Relay Networks with Imperfect CSI
This work investigates the security and reliability analysis for a novel...
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07/29/2022
Joint Beam Placement and Load Balancing Optimization for Non-Geostationary Satellite Systems
Non-geostationary (Non-GSO) satellite constellations have emerged as a p...
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07/17/2022
RIS-Assisted MIMO Communication Systems: Model-based versus Autoencoder Approaches
This paper considers reconfigurable intelligent surface (RIS)-assisted p...
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06/09/2022
Security-Reliability Trade-Off Analysis for SWIPT- and AF-Based IoT Networks with Friendly Jammers
Radio-frequency (RF) energy harvesting (EH) in wireless relaying network...
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05/11/2022
Channel Estimation in RIS-assisted Downlink Massive MIMO: A Learning-Based Approach
For downlink massive multiple-input multiple-output (MIMO) operating in ...
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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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10/06/2021
User Scheduling and Power Allocation for Precoded Multi-Beam High Throughput Satellite Systems with Individual Quality of Service Constraints
For extensive coverage areas, multi-beam high throughput satellite (MB-H...
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09/12/2021
RIS and Cell-Free Massive MIMO: A Marriage For Harsh Propagation Environments
This paper considers Cell-Free Massive Multiple Input Multiple Output (M...
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09/06/2021
Learning to Perform Downlink Channel Estimation in Massive MIMO Systems
We study downlink (DL) channel estimation in a multi-cell Massive multip...
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09/06/2021
Robust Congestion Control for Demand-Based Optimization in Precoded Multi-Beam High Throughput Satellite Communications
High-throughput satellite communications systems are growing in strategi...
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07/07/2021
Reconfigurable Intelligent Surface-Assisted Massive MIMO: Favorable Propagation, Channel Hardening, and Rank Deficiency
Massive multiple-input multiple-output (MIMO) and reconfigurable intelli...
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06/30/2021
Pilot Assignment for Joint Uplink-Downlink Spectral Efficiency Enhancement in Massive MIMO Systems with Spatial Correlation
This paper proposes a flexible pilot assignment method to jointly optimi...
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06/24/2021
User Scheduling for Precoded Satellite Systems with Individual Quality of Service Constraints
Multibeam high throughput satellite (MB-HTS) systems will play a key rol...
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05/19/2021
Model-based and Data-driven Approaches for Downlink Massive MIMO Channel Estimation
We study downlink channel estimation in a multi-cell Massive multiple-in...
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04/17/2021
Reconfigurable Intelligent Surface-Assisted Cell-Free Massive MIMO Systems Over Spatially-Correlated Channels
Cell-Free Massive multiple-input multiple-output (MIMO) and reconfigurab...
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03/06/2021
Uplink Power Control in Massive MIMO with Double Scattering Channels
Massive multiple-input multiple-output (MIMO) is a key technology for im...
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02/22/2021
Outage Probability Analysis of IRS-Assisted Systems Under Spatially Correlated Channels
This paper investigates the impact of spatial channel correlation on the...
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02/10/2021
Massive MIMO under Double Scattering Channels: Power Minimization and Congestion Controls
This paper considers a massive MIMO system under the double scattering c...
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01/25/2021
On the Performance of Image Recovery in Massive MIMO Communications
Massive MIMO (Multiple Input Multiple Output) has demonstrated as a pote...
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01/17/2021
Deep Learning-Aided 5G Channel Estimation
Deep learning has demonstrated the important roles in improving the syst...
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09/15/2020
Coverage Probability and Ergodic Capacity of Intelligent Reflecting Surface-Enhanced Communication Systems
This paper studies the performance of a single-input single-output (SISO...
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06/14/2020
Uplink Power Control in Cellular Massive MIMO Systems: Coping With the Congestion Issue
One main goal of 5G-and-beyond systems is to simultaneously serve many u...
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02/04/2020
Joint Power Allocation and Load Balancing Optimization for Energy-Efficient Cell-Free Massive MIMO Networks
Large-scale distributed antenna systems with many access points (APs) th...
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11/26/2019
Optimal Design of Energy-Efficient Cell-Free Massive MIMO: Joint Power Allocation and Load Balancing
A large-scale distributed antenna system that serves the users by cohere...
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03/19/2019
Sum Spectral Efficiency Maximization in Massive MIMO Systems: Benefits from Deep Learning
This paper investigates the joint data and pilot power optimization for ...
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03/17/2019
Two-Layer Decoding in Cellular Massive MIMO Systems with Spatial Channel Correlation
This paper studies a two-layer decoding method that mitigates inter-cell...
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01/11/2019
Power Control in Cellular Massive MIMO with Varying User Activity: A Deep Learning Solution
This paper demonstrates how neural networks can be used to perform effic...
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07/21/2018
Large-Scale-Fading Decoding in Cellular Massive MIMO Systems with Spatially Correlated Channels
Massive multiple-input--multiple-output (MIMO) systems can suffer from c...
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03/04/2018
A Successive Optimization Approach to Pilot Design for Multi-Cell Massive MIMO Systems
In this letter, we introduce a novel pilot design approach that minimize...
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02/20/2018
Distributed Power Control in Downlink Cellular Massive MIMO Systems
This paper compares centralized and distributed methods to solve the pow...
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03/15/2017
Block Compressive Sensing of Image and Video with Nonlocal Lagrangian Multiplier and Patch-based Sparse Representation
Although block compressive sensing (BCS) makes it tractable to sense lar...
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08/28/2016