4 papers
Energy-Efficient Spiking Neural Networks for Sensing-Aided Beam Prediction
Nhan Thanh Nguyen, Phuong Nam Tran, Mengyuan Ma +3
Sensing-aided beam prediction can reduce the beam-training overhead of millimeter-wave (mmWave) systems by leveraging environmental information from complementary modalities such a…
Deep-Unfolded Accelerated Projected Gradient for Energy-Efficient Cell-Free Massive MIMO
Phuong Nam Tran, Nhan Thanh Nguyen, Hien Quoc Ngo +1
This paper investigates energy efficiency (EE) maximization for the downlink of cell-free massive multiple-input multiple-output systems under quality-of-service and per-access poi…
Deep Reinforcement Learning for Hybrid RIS Assisted MIMO Communications
Phuong Nam Tran, Nhan Thanh Nguyen, Markku Juntti
Hybrid reconfigurable intelligent surfaces (HRIS) enhance wireless systems by combining passive reflection with active signal amplification. However, jointly optimizing the transmi…
Deep Reinforcement Learning-Based Dynamic Resource Allocation in Cell-Free Massive MIMO
Phuong Nam Tran, Nhan Thanh Nguyen, Hien Quoc Ngo +1
In this paper, we consider power allocation and antenna activation of cell-free massive multiple-input multiple-output (CFmMIMO) systems. We first derive closed-form expressions fo…