Enhancing NOMA backscatter IoT communications with RIS

MS Van Nguyen, DT Do, A Vahid… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
As potential solutions to empower transmissions among the Internet of Things (IoT) devices,
ambient radio frequency (RF) backscatter technology and reconfigurable intelligent surfaces …

Low-cost and highly accurate behavioral modeling of antenna structures by means of knowledge-based domain-constrained deep learning surrogates

S Koziel, N Çalık, P Mahouti… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The awareness and practical benefits of behavioral modeling methods have been steadily
growing in the antenna engineering community over the last decade or so. Undoubtedly, the …

Towards energy-efficient data collection by unmanned aerial vehicle base station with NOMA for emergency communications in IoT

S Fu, X Guo, F Fang, Z Ding, N Zhang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
For emergency communications in an internet of thing (IoT) network, a large number of
gateways are distributed to gather the data traffic. Considering the practical difficulty of …

Joint design of improved spectrum and energy efficiency with backscatter NOMA for IoT

CB Le, DT Do, A Silva, WU Khan, W Khalid, H Yu… - IEEE …, 2021 - ieeexplore.ieee.org
To develop emerging transmission techniques for potential applications of Internet of Things
(IoT), the system performance analysis of a cognitive radio (CR)-enabled ambient …

Ergodic performance analysis of double intelligent reflecting surfaces-aided NOMA–UAV systems with hardware impairment

MS Van Nguyen, DT Do, VD Phan, W Ullah Khan… - Drones, 2022 - mdpi.com
In this work, we design an intelligent reflecting surface (IRS)-assisted Internet of Things (IoT)
by enabling non-orthogonal multiple access (NOMA) and unmanned aerial vehicles (UAV) …

Overlay CR-NOMA assisted intelligent transportation system networks with imperfect SIC and CEEs

L Xingwang, G Xuesong, L Yingting… - Chinese Journal of …, 2023 - ieeexplore.ieee.org
With the development of the mobile communication and intelligent information technologies,
the intelligent transportation systems driven by the sixth generation (6G) has many …

Performance analysis of downlink double-IRS systems relying on non-orthogonal multiple access

TA Nguyen, HV Nguyen, DT Do, A Silva - IEEE Access, 2023 - ieeexplore.ieee.org
The intelligent reflecting surface (IRS) has emerged as a promising solution to enhance the
quality of radio transmission by allowing flexible control over the direction of reflection and …

Antenna selection and device grouping for spectrum-efficient UAV-assisted IoT systems

DT Do, CB Le, A Vahid… - IEEE Internet of Things …, 2022 - ieeexplore.ieee.org
Unmanned aerial vehicle (UAV)-assisted Internet of Things (IoT) systems have been
implemented for over a decade, from transportation to military surveillance, and is proven …

Intelligent reflecting surface aided wireless systems with imperfect hardware

ND Nguyen, AT Le, M Munochiveyi, F Afghah, E Pallis - Electronics, 2022 - mdpi.com
In this article, we investigate the design of reconfigurable intelligent surface (RIS)-aided
transmission as a smart method to reflect signals received from access points to users and …

[PDF][PDF] Impacts of relay and direct links at destinations in full-duplex non-orthogonal multiple access system

DT Do, TTT Nguyen - Indones. J. Electr. Eng. Comput. Sci, 2022 - academia.edu
In this study, one of effective methods of multiple access, namely non-orthogonal multiple
access (NOMA), is investigated. Such NOMA scheme can be worked with signal processing …