Evolution of non-terrestrial networks from 5G to 6G: A survey

MM Azari, S Solanki, S Chatzinotas… - … surveys & tutorials, 2022 - ieeexplore.ieee.org
Non-terrestrial networks (NTNs) traditionally have certain limited applications. However, the
recent technological advancements and manufacturing cost reduction opened up myriad …

Nonterrestrial communications assisted by reconfigurable intelligent surfaces

J Ye, J Qiao, A Kammoun… - Proceedings of the IEEE, 2022 - ieeexplore.ieee.org
Nonterrestrial communications have emerged as a key enabler for seamless connectivity in
the upcoming generation networks. This kind of network can support high data rate …

On the design of RIS–UAV relay-assisted hybrid FSO/RF satellite–aerial–ground integrated network

TV Nguyen, HD Le, AT Pham - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Satellite–aerial–ground integrated network (SAGIN) has been widely envisioned as a
promising network architecture for 6G. In the SAGINs, high-altitude platform (HAP)-aided …

Deep reinforcement learning-based energy efficiency optimization for RIS-aided integrated satellite-aerial-terrestrial relay networks

M Wu, K Guo, X Li, Z Lin, Y Wu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Integrated satellite-aerial-terrestrial relay networks (ISATRNs) have been considered as a
promising architecture for next-generation networks, where high altitude platform (HAP) is …

Non-terrestrial networks for energy-efficient connectivity of remote iot devices in the 6g era: A survey

S Plastras, D Tsoumatidis, DN Skoutas, A Rouskas… - Sensors, 2024 - mdpi.com
The Internet of Things (IoT) is gaining popularity and market share, driven by its ability to
connect devices and systems that were previously siloed, enabling new applications and …

Post-disaster communications: Enabling technologies, architectures, and open challenges

M Matracia, N Saeed, MA Kishk… - IEEE Open Journal of …, 2022 - ieeexplore.ieee.org
The number of disasters has increased over the past decade where these calamities
significantly affect the functionality of communication networks. In the context of 6G, airborne …

An overview of machine learning-based techniques for solving optimization problems in communications and signal processing

H Dahrouj, R Alghamdi, H Alwazani… - IEEE …, 2021 - ieeexplore.ieee.org
Despite the growing interest in the interplay of machine learning and optimization, existing
contributions remain scattered across the research board, and a comprehensive overview …

Uplink multiple access with semi-grant-free transmission in integrated satellite-aerial-terrestrial networks

H Kong, M Lin, L Han, WP Zhu, Z Ding… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
This paper investigates a semi-grant-free (SGF) based transmission strategy to provide a
flexible connectivity for various kinds of users in an integrated satellite-aerial-terrestrial …

Reinforcement learning in the sky: A survey on enabling intelligence in ntn-based communications

T Naous, M Itani, M Awad, S Sharafeddine - IEEE Access, 2023 - ieeexplore.ieee.org
Non terrestrial networks (NTN) involving 'in the sky'objects such as low-earth orbit satellites,
high altitude platform systems (HAPs) and Unmanned Aerial Vehicles (UAVs) are expected …

Unleashing the potential of networked tethered flying platforms: Prospects, challenges, and applications

BEY Belmekki, MS Alouini - IEEE Open Journal of Vehicular …, 2022 - ieeexplore.ieee.org
Networked Tethered Flying Platforms (NTFPs) have gained growing interest in recent years
due to their versatility and cost-efficiency. These aerial platforms are linked to ground …