11 papers
Advanced Quantum Annealing for the Bi-Objective Traveling Thief Problem: An -Constraint-based Approach
Nguyen Hoang Viet, Nguyen Xuan Tung, Trinh Van Chien +1
This paper addresses the Bi-Objective Traveling Thief Problem (BI-TTP), a challenging multi-objective optimization problem that requires the simultaneous optimization of travel cos…
Secure Distributed RIS-MIMO over Double Scattering Channels: Adversarial Attack, Defense, and SER Improvement
Bui Duc Son, Gaosheng Zhao, Trinh Van Chien +1
There has been a growing trend toward leveraging machine learning (ML) and deep learning (DL) techniques to optimize and enhance the performance of wireless communication systems.…
Fairness Designs for Load Balancing Optimization in Satellite-Cell-Free Massive MIMO Systems
Trinh Van Chien, Ngo Tran Anh Thu, Nguyen Hoang Lam +3
Space-ground communication systems are important in providing ubiquitous services in a large area. This paper considers the fairness designs under a load-balancing framework with h…
Graph Neural Networks for Next-Generation-IoT: Recent Advances and Open Challenges
Nguyen Xuan Tung, Le Tung Giang, Bui Duc Son +4
Graph Neural Networks (GNNs) have emerged as a powerful framework for modeling complex interconnected systems, hence making them particularly well-suited to address the growing cha…
Improved Differential Evolution for Enhancing the Aggregated Channel Estimation of RIS-Aided Cell-Free Massive MIMO
Trinh Van Chien, Nguyen Hoang Viet, Symeon Chatzinotas +1
Cell-Free Massive multiple-input multiple-output (MIMO) systems are investigated with the support of a reconfigurable intelligent surface (RIS). The RIS phase shifts are designed f…
Joint Access Point Activation and Power Allocation for Cell-Free Massive MIMO Aided ISAC Systems
Nguyen Xuan Tung, Le Tung Giang, Trinh Van Chien +2
Cell-free massive multiple-input multiple-output (MIMO)-aided integrated sensing and communication (ISAC) systems are investigated where distributed access points jointly serve use…