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07/10/2023
Joint Communications and Sensing Hybrid Beamforming Design via Deep Unfolding
Joint communications and sensing (JCAS) is envisioned as a key feature i...
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06/24/2023
Fairness Enhancement of UAV Systems with Hybrid Active-Passive RIS
We consider unmanned aerial vehicle (UAV)-enabled wireless systems where...
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06/24/2023
Joint Communications and Sensing Design for Multi-Carrier MIMO Systems
In conventional joint communications and sensing (JCAS) designs for mult...
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03/22/2023
Beam Squint Analysis and Mitigation via Hybrid Beamforming Design in THz Communications
We investigate the beam squint effect in uniform planar arrays (UPAs) an...
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03/03/2023
AI-Empowered Hybrid MIMO Beamforming
Hybrid multiple-input multiple-output (MIMO) is an attractive technology...
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02/23/2023
Deep Unfolding Hybrid Beamforming Designs for THz Massive MIMO Systems
Hybrid beamforming (HBF) is a key enabler for wideband terahertz (THz) m...
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02/06/2023
Network-Aided Intelligent Traffic Steering in 6G ORAN: A Multi-Layer Optimization Framework
To enable an intelligent, programmable and multi-vendor radio access net...
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05/27/2022
Secrecy Capacity Maximization for a Hybrid Relay-RIS Scheme in mmWave MIMO Networks
The hybrid relay-reflecting intelligent surface (HR-RIS) has been recent...
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05/01/2022
Coordinated Pilot Transmissions for Detecting the Signal Sparsity Level in a Massive IoT Network under Rayleigh Fading
Grant-free protocols exploiting compressed sensing (CS) multi-user detec...
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03/14/2022
Hybrid Active-Passive Reconfigurable Intelligent Surface-Assisted Multi-User MISO Systems
We consider a multi-user multiple-input single-output (MISO) communicati...
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09/03/2021
Low-Latency and Secure Computation Offloading Assisted by Hybrid Relay-Reflecting Intelligent Surface
Recently, the hybrid relay-reflecting intelligent surface (HRRIS) has be...
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07/27/2021
Learning to Estimate RIS-Aided mmWave Channels
Inspired by the remarkable learning and prediction performance of deep n...
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07/13/2021
Stochastic Geometry based Interference Analysis of Multiuser mmWave Networks with RIS
In this paper, we utilize tools from stochastic geometry to estimate the...
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04/14/2021
Channel Estimation and Hybrid Architectures for RIS-Assisted Communications
Reconfigurable intelligent surfaces (RISs) are considered as potential t...
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10/29/2020
FPGA Implementation of Stair Matrix based Massive MIMO Detection
Approximate matrix inversion based methods is widely used for linear mas...
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10/27/2020
Leveraging Location Information for RIS-aided mmWave MIMO Communications
Location information offered by external positioning systems, e.g., sate...
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09/23/2020
Matrix Decomposition for Massive MIMO Detection
Massive multiple-input multiple-output (MIMO) is a key technology for fi...
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07/16/2020
Channel Estimation for RIS-Aided mmWave MIMO Systems via Atomic Norm Minimization
A reconfigurable intelligent surface (RIS) can shape the radio propagati...
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07/09/2020
Challenges of AI in Wireless Networks for IoT
The Internet of Things (IoT), hailed as the enabler of the next industri...
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05/25/2020
Noncoherent Joint Transmission Beamforming for Dense Small Cell Networks: Global Optimality, Efficient Solution and Distributed Implementation
We investigate the coordinated multi-point noncoherent joint transmissio...
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02/15/2020
Channel Estimation for RIS-Aided mmWave MIMO Channels
A reconfigurable intelligent surface (RIS) can shape the radio propagati...
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09/30/2019
Large Intelligent Surface for Positioning in Millimeter Wave MIMO Systems
Millimeter-wave (mmWave) multiple-input multiple-output (MIMO) system fo...
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01/21/2019
On Unified Vehicular Communications and Radar Sensing in Millimeter-Wave and Low Terahertz Bands
Future smart vehicles will incorporate high-data-rate communications and...
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10/29/2018
Wireless Terahertz System Architectures for Networks Beyond 5G
The present white paper focuses on the system requirements of TERRANOVA....
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10/15/2018
Energy Efficiency Fairness for Multi-Pair Wireless-Powered Relaying Systems
We consider a multi-pair amplify-and-forward relay network where the ene...
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08/09/2018
Energy Efficiency Maximization for C-RANs: Discrete Monotonic Optimization, Penalty, and l0-Approximation Methods
We study downlink of multiantenna cloud radio access networks (C-RANs) w...
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08/02/2018
Energy-Efficient Multi-Cell Multigroup Multicasting with Joint Beamforming and Antenna Selection
This paper studies the energy efficiency and sum rate trade-off for coor...
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03/24/2018