16 citations · 26 across the 14 of their papers we have counts for
14 papers · 1 filter
Cell-Free Massive MIMO with Multi-Antenna Users and Phase Misalignments: A Novel Partially Coherent Transmission Framework
Unnikrishnan Kunnath Ganesan, Tung Thanh Vu, Erik G. Larsson
Cell-free massive multiple-input multiple-output (MIMO) is a promising technology for next-generation communication systems. This work proposes a novel partially coherent (PC) tran…
Joint User Association and Power Control for Cell-Free Massive MIMO
Chongzheng Hao, Tung Thanh Vu, Hien Quoc Ngo +4
This work proposes novel approaches that jointly design user equipment (UE) association and power control (PC) in a downlink user-centric cell-free massive multiple-input multiple-…
Network-Assisted Full-Duplex Cell-Free Massive MIMO: Spectral and Energy Efficiencies
Mohammadali Mohammadi, Tung T. Vu, Hien Quoc Ngo +1
We consider network-assisted full-duplex (NAFD) cell-free massive multiple-input multiple-output (CF-mMIMO) systems, where full-duplex (FD) transmission is virtually realized via h…
Channel Estimation in RIS-assisted Downlink Massive MIMO: A Learning-Based Approach
Tung T. Vu, Trinh Van Chien, Canh T. Dinh +2
For downlink massive multiple-input multiple-output (MIMO) operating in time-division duplex protocol, users can decode the signals effectively by only utilizing the channel statis…
Virtually Full-duplex Cell-Free Massive MIMO with Access Point Mode Assignment
Mohammadali Mohammadi, Tung T. Vu, Behnaz Naderi Beni +2
We consider a cell-free massive multiple-input multiple-output (MIMO) network utilizing a virtually full-duplex (vFD) mode, where access points (APs) with a downlink (DL) mode and…
Data Size-Aware Downlink Massive MIMO: A Session-Based Approach
Tung T. Vu, Hien Quoc Ngo, Minh N. Dao +2
This letter considers the development of transmission strategies for the downlink of massive multiple-input multiple-output networks, with the objective of minimizing the completio…
Energy-Efficient Massive MIMO for Federated Learning: Transmission Designs and Resource Allocations
Tung T. Vu, Hien Q. Ngo, Minh N. Dao +3
This work proposes novel synchronous, asynchronous, and session-based designs for energy-efficient massive multiple-input multiple-output networks to support federated learning (FL…
Energy-Efficient Massive MIMO for Serving Multiple Federated Learning Groups
Tung T. Vu, Hien Quoc Ngo, Duy T. Ngo +2
With its privacy preservation and communication efficiency, federated learning (FL) has emerged as a learning framework that suits beyond 5G and towards 6G systems. This work looks…
How Does Cell-Free Massive MIMO Support Multiple Federated Learning Groups?
Tung T. Vu, Hien Quoc Ngo, Thomas L. Marzetta +1
Federated learning (FL) has been considered as a promising learning framework for future machine learning systems due to its privacy preservation and communication efficiency. In b…
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…
Joint Optimization of User Association, Data Delivery Rate and Precoding for Cache-Enabled F-RANs
Tung T. Vu, Duy T. Ngo, Lawrence Ong +2
This paper considers the downlink of a cache-enabled fog radio access network (F-RAN) with limited fronthaul capacity, where user association (UA), data delivery rate (DDR) and sig…
Interference Alignment Designs for Secure Multiuser MIMO Systems: Rank Constrained Rank Minimization Approach
Tung T. Vu, Ha Hoang Kha, Trung Q. Duong
In this paper, we formulate the interference alignment (IA) problem for a multiuser multiple-input multiple-output (MIMO) system in the presence of an eavesdropper as a rank constr…
Particle Swarm Optimization for Weighted Sum Rate Maximization in MIMO Broadcast Channels
Tung T. Vu, Ha Hoang Kha, Trung Q. Duong +1
In this paper, we investigate the downlink multiple-input-multipleoutput (MIMO) broadcast channels in which a base transceiver station (BTS) broadcasts multiple data streams to K M…
Wiretapped Signal Leakage Minimization for Secure Multiuser MIMO Systems via Interference Alignment
Tung T. Vu, Ha Hoang Kha, Trung Q. Duong +1
In this paper, interference alignment (IA) is designed for secure multiuser multiple-input multiple-output systems in the presence of an eavesdropper. The proposed IA technique des…