67 citations · 111 across the 21 of their papers we have counts for
23 papers
Deep Learning Meets Swarm Intelligence for UAV-Assisted IoT Coverage in Massive MIMO
Mobeen Mahmood, MohammadMahdi Ghadaksaz, Asil Koc +1
This study considers a UAV-assisted multi-user massive multiple-input multiple-output (MU-mMIMO) systems, where a decode-and-forward (DF) relay in the form of an unmanned aerial ve…
Sub-Array Selection in Full-Duplex Massive MIMO for Enhanced Self-Interference Suppression
Mobeen Mahmood, Asil Koc, Duc Tuong Nguyen +2
This study considers a novel full-duplex (FD) massive multiple-input multiple-output (mMIMO) system using hybrid beamforming (HBF) architecture, which allows for simultaneous uplin…
Antenna Array Structures for Enhanced Cluster Index Modulation
Mahmoud Raeisi, Asil Koc, Ibrahim Yildirim +2
This paper investigates the effect of various antenna array structures, i.e., uniform linear array (ULA), uniform rectangular array (URA), uniform circular array (UCA), and concent…
Cluster Index Modulation for Reconfigurable Intelligent Surface-Assisted mmWave Massive MIMO
Mahmoud Raeisi, Asil Koc, Ibrahim Yildirim +2
In this paper, we propose a transmission mechanism for a reconfigurable intelligent surface (RIS)-assisted millimeter wave (mmWave) system based on cluster index modulation (CIM),…
Platoon Leader Selection, User Association and Resource Allocation on a C-V2X based highway: A Reinforcement Learning Approach
Mohammad Farzanullah, Tho Le-Ngoc
We consider the problem of dynamic platoon leader selection, user association, channel assignment, and power allocation on a cellular vehicle-to-everything (C-V2X) based highway, w…
Reinforcement Learning based Multi-connectivity Resource Allocation in Factory Automation Systems
Mohammad Farzanullah, Hung V. Vu, Tho Le-Ngoc
We propose joint user association, channel assignment and power allocation for mobile robot Ultra-Reliable and Low Latency Communications (URLLC) based on multi-connectivity and re…
RIS-Aided Angular-Based Hybrid Beamforming Design in mmWave Massive MIMO Systems
Ibrahim Yildirim, Asil Koc, Ertugrul Basar +1
This paper proposes a reconfigurable intelligent surface (RIS)-aided and angular-based hybrid beamforming (AB-HBF) technique for the millimeter wave (mmWave) massive multiple-input…
Nature-Inspired Intelligent α-Fair Hybrid Precoding in Multiuser Massive Multiple-Input Multiple-Output Systems
Asil Koc, Tho Le-Ngoc
This paper proposes a novel nature-inspired -fair hybrid precoding (NI-HP) technique for millimeter-wave multi-user massive multiple-input multiple-output systems. Unlike the…
Energy-Efficient Throughput Maximization in mmWave MU-Massive-MIMO-OFDM: Genetic Algorithm based Resource Allocation
Asil Koc, Farhan Bishe, Tho Le-Ngoc
This paper develops a new genetic algorithm based resource allocation (GA-RA) technique for energy-efficient throughout maximization in multi-user massive multiple-input multiple-o…
A Deep Learning and Geospatial Data-Based Channel Estimation Technique for Hybrid Massive MIMO Systems
Xiaoyi Zhu, Asil Koc, Robert Morawski +1
This paper presents a novel channel estimation technique for the multi-user massive multiple-input multiple-output (MU-mMIMO) systems using angular-based hybrid precoding (AB-HP).…
Full-Duplex Non-Coherent Communications for Massive MIMO Systems with Analog Beamforming
Asil Koc, Ahmed Masmoudi, Tho Le-Ngoc
In this paper, a novel full-duplex non-coherent (FD-NC) transmission scheme is developed for massive multiple-input multiple-output (mMIMO) systems using analog beamforming (ABF).…
Deep Learning based Multi-User Power Allocation and Hybrid Precoding in Massive MIMO Systems
Asil Koc, Mike Wang, Tho Le-Ngoc
This paper proposes a deep learning based power allocation (DL-PA) and hybrid precoding technique for multiuser massive multiple-input multiple-output (MU-mMIMO) systems. We first…
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…
Full-Duplex mmWave Massive MIMO Systems: A Joint Hybrid Precoding/Combining and Self-Interference Cancellation Design
Asil Koc, Tho Le-Ngoc
Millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems have been considered as one of the primary candidates for the fifth generation (5G) and beyond 5G wir…
Multi-Agent Reinforcement Learning for Channel Assignment and Power Allocation in Platoon-Based C-V2X Systems
Hung V. Vu, Mohammad Farzanullah, Zheyu Liu +3
We consider the problem of joint channel assignment and power allocation in underlaid cellular vehicular-to-everything (C-V2X) systems where multiple vehicle-to-network (V2N) uplin…
Underlaid FD D2D Communications in Massive MIMO Systems via Joint Beamforming and Power Allocation
Hung V. Vu, Tho Le-Ngoc
This paper studies the benefits of incorporating underlaid full-duplex (FD) device-to-device (D2D) communications into massive multiple-input-multiple-output (MIMO) downlink system…
Optimal Dynamic Point Selection for Power Minimization in Multiuser Downlink CoMP
Duy H. N. Nguyen, Long B. Le, Tho Le-Ngoc
This paper examines a CoMP system where multiple base-stations (BS) employ coordinated beamforming to serve multiple mobile-stations (MS). Under the dynamic point selection mode, e…
Leveraging Synergy of 5G SDWN and Multi-Layer Resource Management for Network Optimization
Mahsa Derakhshani, Saeedeh Parsaeefard, Tho Le-Ngoc +1
Fifth-generation (5G) cellular wireless networks are envisioned to predispose service-oriented, flexible, and spectrum/energy-efficient edge-to-core infrastructure, aiming to offer…
Joint User-Association and Resource-Allocation in Virtualized Wireless Networks
Saeedeh Parsaeefard, Rajesh Dawadi, Mahsa Derakhshani +1
In this paper, we consider a down-link transmission of multicell virtualized wireless networks (VWNs) where users of different service providers (slices) within a specific region a…
Virtualization of Multi-Cell 802.11 Networks: Association and Airtime Control
Mahsa Derakhshani, Xiaowei Wang, Tho Le-Ngoc +1
This paper investigates the virtualization and optimization of a multi-cell WLAN. We consider the station (STA)-access point (AP) association and airtime control for virtualized 80…
Energy-Efficient Adaptive Power Allocation for Incremental MIMO Systems
Tumula V. K. Chaitanya, Tho Le-Ngoc
We consider energy-efficient adaptive power allocation for three incremental multiple-input multiple-output (IMIMO) systems employing ARQ, hybrid ARQ (HARQ) with Chase combining (C…
Variable-Length Feedback Codes under a Strict Delay Constraint
Seong Hwan Kim, Dan Keun Sung, Tho Le-Ngoc
We study variable-length feedback (VLF) codes under a strict delay constraint to maximize their average transmission rate (ATR) in a discrete memoryless channel (DMC) while conside…
Full-Duplex Relay with Jamming Protocol for Improving Physical-Layer Security
Saeedeh Parsaeefard, Tho Le-Ngoc
This paper proposes a jointly cooperative relay and jamming protocol based on full-duplex (FD) capable relay to increase the source-destination secrecy rate in the presence of diff…