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Energy-Efficient RSMA for Multigroup Multicast and Multibeam Satellite Communications

IEEE Wireless Communications Letters, 2023
This letter studies energy-efficient rate-splitting multiple access (RSMA) for multigroup multicast and multibeam satellite communication systems. Specifically, we minimize the unmet system capacity, which means the rate difference between the requested ...
Huanxi Cui, Lipeng Zhu, Zhenyu Xiao, B. Clerckx, Rui Zhang   +4 more
semanticscholar   +1 more source

Robust Secure Transmission for Satellite Communications

IEEE Transactions on Aerospace and Electronic Systems, 2023
In recent years, satellite communications have become the focus of research on space–air–ground–sea integrated wireless communication networks because of their wide coverage.
Bin Jiang, Yingchun Yan, Li You, Jue Wang, Wen Wang, Xiqi Gao   +5 more
semanticscholar   +1 more source

Machine Learning and Deep Learning powered satellite communications: Enabling technologies, applications, open challenges, and future research directions

International Journal of Satellite Communications And Networking, 2023
The recent wave of creating an interconnected world through satellites has renewed interest in satellite communications. Private and government‐funded space agencies are making advancements in the creation of satellite constellations, and the ...
Arindam Bhattacharyya, Shvetha M. Nambiar, Ritwik Ojha, Amogh Gyaneshwar, Utkarsh Chadha, Kathiravan Srinivasan   +5 more
semanticscholar   +1 more source

Space-Air-Ground FSO Networks for High-Throughput Satellite Communications

IEEE Communications Magazine, 2022
The next generation of satellite communication systems aims to achieve terabit-per-second throughput. Because of the limited spectrum available, traditional radio frequency (RF) communication links cannot provide such high throughput. Free-space optical (
Ramy Samy, Hong-Chuan Yang, Tamer Rakia, Mohamed-Slim Alouini   +3 more
semanticscholar   +1 more source

Holographic MIMO for LEO Satellite Communications Aided by Reconfigurable Holographic Surfaces

IEEE Journal on Selected Areas in Communications, 2022
Ultra-dense low-Earth-orbit (LEO) satellite communication networks have significant potential for providing high-speed data services. To compensate the severe path loss in satellite communications, a key conceptual enabler is the holographic multiple ...
Ruoqi Deng, Boya Di, Hongliang Zhang, H. Poor, Lingyang Song   +4 more
semanticscholar   +1 more source

High-Mobility Satellite-UAV Communications: Challenges, Solutions, and Future Research Trends

IEEE Communications Magazine, 2022
Due to their fast deployment and high flexibility, unmanned aerial vehicles (UAVs) are regarded as vital enablers of various applications that include emergency rescue, telecommunications, delivery of supplies, and more.
Jiawei Wang, Chunxiao Jiang, Linling Kuang   +2 more
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Phased Array Metantennas for Satellite Communications

IEEE Communications Magazine, 2022
To optimize the reception and transmission in real-time changing links, phased array antennas have been increasingly investigated and applied in satellite applications.
Zhi Ning Chen, X. Qing, Xinyi Tang, Wei E. I. Liu, Ruolei Xu   +4 more
semanticscholar   +1 more source

Multi-objective deep reinforcement learning based time-frequency resource allocation for multi-beam satellite communications

China Communications, 2022
Resource allocation is an important problem influencing the service quality of multi-beam satellite communications. In multi-beam satellite communications, the available frequency bandwidth is limited, users requirements vary rapidly, high service ...
Yuan-zhi He, Biao Sheng, Hao Yin, Di Yan, Yingchao Zhang   +4 more
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UAV-Assisted Physical Layer Security in Multi-Beam Satellite-Enabled Vehicle Communications

IEEE transactions on intelligent transportation systems (Print), 2021
In this paper, we investigate unmanned aerial vehicle (UAV) assisted physical layer security in multi-beam satellite enabled vehicle communications.
Zhisheng Yin, Min Jia, Nan Cheng, Wei Wang, Feng Lyu, Qing Guo, X. Shen   +6 more
semanticscholar   +1 more source