185 citations · 847 across the 129 of their papers we have counts for
11 papers · 1 filter
A Low-Complexity Approach for Max-Min Fairness in Uplink Cell-Free Massive MIMO
Muhammad Farooq, Hien Quoc Ngo, Le Nam Tran
We consider the problem of max-min fairness for uplink cell-free massive multiple-input multiple-output which is a potential technology for beyond 5G networks. More specifically, w…
Utility Maximization for Large-Scale Cell-Free Massive MIMO Downlink
Muhammad Farooq, Hien Quoc Ngo, Een-Kee Hong +1
We consider the system-wide utility maximization problem in the downlink of a cell-free massive multiple-input multiple-output (MIMO) system whereby a very large number of access p…
Joint Resource Allocation to Minimize Execution Time of Federated Learning in Cell-Free Massive MIMO
Tung T. Vu, Duy T. Ngo, Hien Quoc Ngo +3
Due to its communication efficiency and privacy-preserving capability, federated learning (FL) has emerged as a promising framework for machine learning in 5G-and-beyond wireless n…
Towards Large Intelligent Surface (LIS)-based Communications
Jide Yuan, Hien Quoc Ngo, Michail Matthaiou
The concept of large intelligent surface (LIS)-based communication has recently raised research attention, in which a LIS is regarded as an antenna array whose entire surface area…
Uplink Power Control in Cellular Massive MIMO Systems: Coping With the Congestion Issue
Trinh Van Chien, Emil Björnson, Hien Quoc Ngo
One main goal of 5G-and-beyond systems is to simultaneously serve many users, each having a requested spectral efficiency (SE), in an energy-efficient way. The network capacity can…
Towards Optimal Energy Efficiency in Cell-Free Massive MIMO Systems
Anastasios Papazafeiropoulos, Hien Q. Ngo, Pandelis Kourtessis +2
Motivated by the ever-growing demand for \emph{green} wireless communications and the advantages of \emph{cell-free} (CF) massive multiple-input multiple-output (MIMO) systems, we…