OOIR: Observatory of International Research

Papers

(The H4-Index of IEEE Transactions on Communications is 72. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-11-01 to 2024-11-01.)

Article	Citations
Intelligent Reflecting Surface-Aided Wireless Communications: A Tutorial	1539
Channel Estimation for RIS-Empowered Multi-User MISO Wireless Communications	435
Active RIS vs. Passive RIS: Which Will Prevail in 6G?	270
Physics-Based Modeling and Scalable Optimization of Large Intelligent Reflecting Surfaces	259
Terahertz Band Communication: An Old Problem Revisited and Research Directions for the Next Decade	258
RIS-Aided Wireless Communications: Prototyping, Adaptive Beamforming, and Indoor/Outdoor Field Trials	248
Channel Estimation for Extremely Large-Scale MIMO: Far-Field or Near-Field?	245
Artificial-Noise-Aided Secure MIMO Wireless Communications via Intelligent Reflecting Surface	228
Two-Timescale Channel Estimation for Reconfigurable Intelligent Surface Aided Wireless Communications	223
Secrecy-Energy Efficient Hybrid Beamforming for Satellite-Terrestrial Integrated Networks	207
IRS-Assisted Secure UAV Transmission via Joint Trajectory and Beamforming Design	185
Modeling and Analysis of Reconfigurable Intelligent Surfaces for Indoor and Outdoor Applications in Future Wireless Networks	182
Resource Allocation for IRS-Assisted Full-Duplex Cognitive Radio Systems	181
Hardware Impaired Ambient Backscatter NOMA Systems: Reliability and Security	180
Intelligent Reflecting Surface-Assisted Cognitive Radio System	177
Resource Allocation in Intelligent Reflecting Surface Assisted NOMA Systems	168
Terahertz Massive MIMO With Holographic Reconfigurable Intelligent Surfaces	158
Robust and Secure Sum-Rate Maximization for Multiuser MISO Downlink Systems With Self-Sustainable IRS	146
Optimization of Wireless Relaying With Flexible UAV-Borne Reflecting Surfaces	141
Optimal Resource Allocation for Delay Minimization in NOMA-MEC Networks	137
Location Information Aided Multiple Intelligent Reflecting Surface Systems	132
Optimized Energy and Information Relaying in Self-Sustainable IRS-Empowered WPCN	129
Power Efficient IRS-Assisted NOMA	124
Joint Resource and Trajectory Optimization for Security in UAV-Assisted MEC Systems	119
Path Loss Modeling and Measurements for Reconfigurable Intelligent Surfaces in the Millimeter-Wave Frequency Band	117

Multi-RIS-Aided Wireless Systems: Statistical Characterization and Performance Analysis	117
Cooperative Internet of UAVs: Distributed Trajectory Design by Multi-Agent Deep Reinforcement Learning	115
Deep Transfer Learning-Based Downlink Channel Prediction for FDD Massive MIMO Systems	114
3D Deployment of Multiple UAV-Mounted Base Stations for UAV Communications	112
Low-Complexity Channel Estimation and Passive Beamforming for RIS-Assisted MIMO Systems Relying on Discrete Phase Shifts	110
Multi-Objective Optimization for UAV-Assisted Wireless Powered IoT Networks Based on Extended DDPG Algorithm	109
Efficient Offloading for Minimizing Task Computation Delay of NOMA-Based Multiaccess Edge Computing	109
Deep Learning for Beamspace Channel Estimation in Millimeter-Wave Massive MIMO Systems	108
Coexistence Mechanism Between eMBB and uRLLC in 5G Wireless Networks	107
Power Scaling Law Analysis and Phase Shift Optimization of RIS-Aided Massive MIMO Systems With Statistical CSI	104
On the Path-Loss of Reconfigurable Intelligent Surfaces: An Approach Based on Green’s Theorem Applied to Vector Fields	101
Intelligent Reflecting Surface Aided Multi-User Communication: Capacity Region and Deployment Strategy	101
Efficient Channel Estimation for Double-IRS Aided Multi-User MIMO System	99
Reconfigurable Intelligent Surface Empowered Downlink Non-Orthogonal Multiple Access	99
DeepBAN: A Temporal Convolution-Based Communication Framework for Dynamic WBANs	98
Intelligent Reflecting Surface Enhanced Wideband MIMO-OFDM Communications: From Practical Model to Reflection Optimization	97
Intelligent Reflecting Surfaces for Free Space Optical Communication Systems	97
Joint Beamforming Design in Multi-Cluster MISO NOMA Reconfigurable Intelligent Surface-Aided Downlink Communication Networks	97
Non-Orthogonal Multiple Access Assisted Federated Learning via Wireless Power Transfer: A Cost-Efficient Approach	96
Intelligent Reflecting Surface-Aided Joint Processing Coordinated Multipoint Transmission	96
Joint Transmit Precoding and Reconfigurable Intelligent Surface Phase Adjustment: A Decomposition-Aided Channel Estimation Approach	94
Transmitter and Receiver Window Designs for Orthogonal Time-Frequency Space Modulation	92
Secure NOMA-Based UAV-MEC Network Towards a Flying Eavesdropper	91
Intelligent Reflecting Surface-Aided URLLC in a Factory Automation Scenario	90
MIMO-NOMA Networks Relying on Reconfigurable Intelligent Surface: A Signal Cancellation-Based Design	90
Reconfigurable Intelligent Surface Aided Mobile Edge Computing: From Optimization-Based to Location-Only Learning-Based Solutions	86
Modern Random Access: An Age of Information Perspective on Irregular Repetition Slotted ALOHA	85
Reconfigurable Intelligent Surface Assisted MIMO Symbiotic Radio Networks	84
Millimeter Wave Communications With Reconfigurable Intelligent Surfaces: Performance Analysis and Optimization	84
Indoor and Outdoor Physical Channel Modeling and Efficient Positioning for Reconfigurable Intelligent Surfaces in mmWave Bands	83
RIS-Assisted Multi-User MISO Communications Exploiting Statistical CSI	81
Beamforming Optimization for IRS-Aided Communications With Transceiver Hardware Impairments	81
Optimization of Rate Allocation and Power Control for Rate Splitting Multiple Access (RSMA)	80
Intelligent Reflecting Surface Assisted Wireless Powered Sensor Networks for Internet of Things	80
Robust Max-Min Energy Efficiency for RIS-Aided HetNets With Distortion Noises	79
Heterogeneous Computation and Resource Allocation for Wireless Powered Federated Edge Learning Systems	79
Overview of Deep Learning-Based CSI Feedback in Massive MIMO Systems	78
Capacity and Optimal Resource Allocation for IRS-Assisted Multi-User Communication Systems	78
Beyond Dirty Paper Coding for Multi-Antenna Broadcast Channel With Partial CSIT: A Rate-Splitting Approach	77
Intelligent Radio Access Network Slicing for Service Provisioning in 6G: A Hierarchical Deep Reinforcement Learning Approach	77
Resource Allocation for Multi-User Downlink MISO OFDMA-URLLC Systems	77
Interference Exploitation Precoding for Multi-Level Modulations: Closed-Form Solutions	76
Exploiting Amplitude Control in Intelligent Reflecting Surface Aided Wireless Communication With Imperfect CSI	75
Rate-Splitting Multiple Access for Multigroup Multicast and Multibeam Satellite Systems	75
Joint Channel Estimation and Signal Recovery for RIS-Empowered Multiuser Communications	74
Constrained Utility Maximization in Dual-Functional Radar-Communication Multi-UAV Networks	73
Beamforming Design for Multiuser Transmission Through Reconfigurable Intelligent Surface	73
Intelligent Reflecting Surfaces: Sum-Rate Optimization Based on Statistical Position Information	72
Covert Communication Assisted by UAV-IRS	72
Performance Analysis of UAV-Based Mixed RF-UWOC Transmission Systems	72