2.2k citations · 6.7k across the 213 of their papers we have counts for
20 papers · 1 filter
Hierarchical Blockchain Radio Access Networks: Architecture, Modelling, and Performance Assessment
Vasileios Kouvakis, Stylianos E. Trevlakis, Alexandros-Apostolos A. Boulogeorgos +4
Demands for secure, ubiquitous, and always-available connectivity have been identified as the pillar design parameters of the next generation radio access networks (RANs). Motivate…
Beam Switching Based Beam Design for High-Speed Train mmWave Communications
Jingjia Huang, Chenhao Qi, Octavia A. Dobre +1
For high-speed train (HST) millimeter wave (mmWave) communications, the use of narrow beams with small beam coverage needs frequent beam switching, while wider beams with small bea…
Synergizing Hyper-accelerated Power Optimization and Wavelength-Dependent QoT-Aware Cross-Layer Design in Next-Generation Multi-Band EONs
Farhad Arpanaei, Mahdi Ranjbar Zefreh, Yanchao Jiang +12
The extension of elastic optical networks (EON) to multi-band transmission (MB-EON) shows promise in enhancing spectral efficiency, throughput, and long-term cost-effectiveness for…
Maximal Transmission Rate in Omni-DRIS-Assisted Indoor Visible Light Communication Systems
Alain R. Ndjiongue, Octavia A. Dobre, Hyundong Shin
Given the importance of reconfigurable intelligent surfaces (RISs) in next-generation mobile systems, several RIS variants have been proposed in recent years. Omni-digital-RIS (omn…
Near-Field Communications for Extremely Large-Scale MIMO: A Beamspace Perspective
Kangjian Chen, Chenhao Qi, Jingjia Huang +2
Extremely large-scale multiple-input multiple-output (XL-MIMO) is regarded as one of the key techniques to enhance the performance of future wireless communications. Different from…
Rate-Splitting for Cell-Free Massive MIMO: Performance Analysis and Generative AI Approach
Jiakang Zheng, Jiayi Zhang, Hongyang Du +4
Cell-free (CF) massive multiple-input multipleoutput (MIMO) provides a ubiquitous coverage to user equipments (UEs) but it is also susceptible to interference. Ratesplitting (RS) e…
Generative AI for Energy Harvesting Internet of Things Network: Fundamental, Applications, and Opportunities
Wenwen Xie, Geng Sun, Jiahui Li +4
Internet of Things (IoT) devices are typically powered by small-sized batteries with limited energy storage capacity, requiring regular replacement or recharging. To reduce costs a…
Non-Terrestrial Networks for 6G: Integrated, Intelligent and Ubiquitous Connectivity
Muhammad Ali Jamshed, Aryan Kaushik, Miguel Dajer +6
Universal connectivity has been part of past and current generations of wireless systems, but as we approach 6G, the subject of social responsibility is being built as a core compo…
CmWave and Sub-THz: Key Radio Enablers and Complementary Spectrum for 6G
Mayur V. Katwe, Aryan Kaushik, Keshav Singh +7
Sixth-generation (6G) networks are poised to revolutionize communication by exploring alternative spectrum options, aiming to capitalize on strengths while mitigating limitations i…
Near-Field Multiuser Communications based on Sparse Arrays
Kangjian Chen, Chenhao Qi, Geoffrey Ye Li +1
This paper considers near-field multiuser communications based on sparse arrays (SAs). First, for the uniform SAs (USAs), we analyze the beam gains of channel steering vectors, whi…
An Overview of Intelligent Meta-surfaces for 6G and Beyond: Opportunities, Trends, and Challenges
Mayur Katwe, Aryan Kaushik, Lina Mohjazi +6
With the impending arrival of the sixth generation (6G) of wireless communication technology, the telecommunications landscape is poised for another revolutionary transformation. A…
What-if Analysis Framework for Digital Twins in 6G Wireless Network Management
Elif Ak, Berk Canberk, Vishal Sharma +2
This study explores implementing a digital twin network (DTN) for efficient 6G wireless network management, aligning with the fault, configuration, accounting, performance, and sec…
A Hypergraph Approach to Distributed Broadcast
Qi Cao, Yulin Shao, Fan Yang +1
This paper explores the distributed broadcast problem within the context of network communications, a critical challenge in decentralized information dissemination. We put forth a…
Beamforming Optimization for Active RIS-Aided Multiuser Communications With Hardware Impairments
Zhangjie Peng, Zhibo Zhang, Cunhua Pan +3
In this paper, we consider an active reconfigurable intelligent surface (RIS) to assist the multiuser downlink transmission in the presence of practical hardware impairments (HWIs)…
Semi-Passive Intelligent Reflecting Surface Enabled Sensing Systems
Qiaoyan Peng, Qingqing Wu, Wen Chen +3
Intelligent reflecting surface (IRS) has garnered growing interest and attention due to its potential for facilitating and supporting wireless communications and sensing. This pape…
Towards 6G Evolution: Three Enhancements, Three Innovations, and Three Major Challenges
Rohit Singh, Aryan Kaushik, Wonjae Shin +6
Over the past few decades, wireless communication has witnessed remarkable growth, experiencing several transformative changes. This article aims to provide a comprehensive overvie…
Deep-Learning Channel Estimation for IRS-Assisted Integrated Sensing and Communication System
Yu Liu, Ibrahim Al-Nahhal, Octavia A. Dobre +1
Integrated sensing and communication (ISAC), and intelligent reflecting surface (IRS) are envisioned as revolutionary technologies to enhance spectral and energy efficiencies for n…
Extreme Learning Machine-based Channel Estimation in IRS-Assisted Multi-User ISAC System
Yu Liu, Ibrahim Al-Nahhal, Octavia A. Dobre +2
Multi-user integrated sensing and communication (ISAC) assisted by intelligent reflecting surface (IRS) has been recently investigated to provide a high spectral and energy efficie…
Deep-Learning-Based Channel Estimation for IRS-Assisted ISAC System
Yu Liu, Ibrahim Al-Nahhal, Octavia A. Dobre +1
Integrated sensing and communication (ISAC) and intelligent reflecting surface (IRS) are viewed as promising technologies for future generations of wireless networks. This paper in…
Triple-Refined Hybrid-Field Beam Training for mmWave Extremely Large-Scale MIMO
Kangjian Chen, Chenhao Qi, Octavia A. Dobre +1
This paper investigates beam training for extremely large-scale multiple-input multiple-output systems. By considering both the near field and far field, a triple-refined hybrid-fi…