14 papers
Joint Load Balancing and Transmit Power Control for Energy Efficiency Maximization in the Satellite-Cell-Free Massive MIMO Uplink
Ngo Tran Anh Thu, Lo Hai Long, Le Duc Anh Vu +2
The seamless integration of non-terrestrial and terrestrial infrastructures is a key enabler for ubiquitous connectivity in next-generation (NG) wireless networks. We investigate a…
Multi-Timescale Latent-Action DRL for Joint Optimization in Edge-Cloud Networks
Vo Phi Son, Van-Dinh Nguyen, Ngoc Hung Nguyen +2
Load imbalance across edge and cloud layers degrades latency performance in hierarchical edge-cloud computing (HECC) systems under dynamic task arrivals and heterogeneous resources…
Deterministic versus Stochastic Optimization for Joint Path Planning and Dynamic Time Splitting in Multiple-UAV-Cached IoT Networks
Trinh Van Chien, Dinh Thanh Tung, Waqas Khalid +3
This paper examines wireless-powered Internet of Things (IoT) networks involving multiple unmanned aerial vehicles (UAVs) equipped with backscatter and caching technologies to rela…
Network-Assisted Full-Duplex Cell-Free Massive MIMO Systems Under Infeasible Circumstances
Trinh Van Chien, Bui Trong Duc, Mohammadali Mohammadi +2
Cell-free massive multiple-input multiple-output is a potential candidate for future networks with pervasive connectivity by utilizing coherent joint transmission and distributed a…
Energy Efficiency Maximization for Integrated Sensing and Communications in Satellite-UAV MIMO Systems
Ngo Tran Anh Thu, Pham Dang Anh Duc, Bui Trong Duc +3
This paper investigates energy efficiency maximization in an integrated sensing and communication framework for satellite-UAV MIMO systems, where a LEO satellite and a UAV simultan…
Scalable Quantum Message Passing Graph Neural Networks for Next-Generation Wireless Communications: Architectures, Use Cases, and Future Directions
Le Tung Giang, Nguyen Xuan Tung, Trinh Van Chien +2
Graph Neural Networks (GNNs) are eminently suitable for wireless resource management, thanks to their scalability, but they still face computational challenges in large-scale, dens…