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The low earth orbit (LEO) satellite network is undergoing rapid development with the maturing of satellite communications and rocket launch technologies, and the demand for a global coverage network. However, current satellite communication…

Information Theory · Computer Science 2023-08-10 Zhuoao Xu , Gaojie Chen , Ryan Fernandez , Yue Gao , Rahim Tafazolli

Low earth orbit (LEO) satellite-assisted communications have been considered as one of key elements in beyond 5G systems to provide wide coverage and cost-efficient data services. Such dynamic space-terrestrial topologies impose exponential…

Signal Processing · Electrical Eng. & Systems 2021-10-14 Yaxiong Yuan , Lei lei , Thang X. Vu , Zheng Chang , Symeon Chatzinotas , Sumei Sun

Arctic regions, such as northern Canada, face significant challenges in achieving consistent connectivity and low-latency computing services due to the sparse coverage of Low Earth Orbit (LEO) satellites. To enhance service reliability in…

Signal Processing · Electrical Eng. & Systems 2025-11-25 Mohammed Almekhlafi , Antoine Lesage-Landry , Gunes Karabulut Kurt

Joint base station (BS) association and beam selection in multi-UAV aerial corridors constitutes a challenging radio resource management (RRM) problem. It is driven by high-dimensional action spaces, need for substantial overhead to acquire…

Signal Processing · Electrical Eng. & Systems 2026-02-04 Pulok Tarafder , Zoheb Hassan , Imtiaz Ahmed , Danda B. Rawat , Kamrul Hasan , Cong Pu

Satellite communication by leveraging the use of low earth orbit (LEO) satellites is expected to play an essential role in future communication systems through providing ubiquitous and continuous wireless connectivity. This thus has…

Networking and Internet Architecture · Computer Science 2022-10-18 Jingwei Zhang , Dali Qin , Chuili Kong , Feiran Zhao , Rong Li , Jun Wang , Ye Wang

Cooperative positioning with multiple low earth orbit (LEO) satellites is promising in providing location-based services and enhancing satellite-terrestrial communication. However, positioning accuracy is greatly affected by inter-beam…

Information Theory · Computer Science 2024-04-02 Hongtao Xv , Yaohua Sun , Yafei Zhao , Mugen Peng , Shijie Zhang

A mega-constellation of low-earth orbit (LEO) satellites has the potential to enable long-range communication with low latency. Integrating this with burgeoning unmanned aerial vehicle (UAV) assisted non-terrestrial networks will be a…

Networking and Internet Architecture · Computer Science 2020-05-27 Ju-Hyung Lee , Jihong Park , Mehdi Bennis , Young-Chai Ko

With the development of satellite communication technology, satellite-terrestrial integrated networks (STIN), which integrate satellite networks and ground networks, can realize seamless global coverage of communication services.…

Networking and Internet Architecture · Computer Science 2024-09-10 Yihong Tao , Bo Lei , Haoyang Shi , Jingkai Chen , Xing Zhang

Airborne Base Stations (ABSs) allow for flexible geographical allocation of network resources with dynamically changing load as well as rapid deployment of alternate connectivity solutions during natural disasters. Since the radio…

Networking and Internet Architecture · Computer Science 2025-10-27 Mauro Belgiovine , Chris Dick , Kaushik Chowdhury

To achieve ubiquitous wireless connectivity, low earth orbit (LEO) satellite networks have drawn much attention. However, effective beam management is challenging due to time-varying cell load, high dynamic network topology, and complex…

Social and Information Networks · Computer Science 2024-04-16 Yaohua Sun , Jianfeng Zhu , Mugen Peng

Networked low Earth orbit (LEO) satellite constellations enabled by inter-satellite links offer a promising path toward ubiquitous broadband non-terrestrial services. However, fast orbital motion induces frequent scheduling updates and…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Yuchen Zhang , Eva Lagunas , Symeon Chatzinotas , Tareq Y. Al-Naffouri

Low Earth Orbit (LEO) satellite communications (SATCOM) offers high-throughput, low-latency global connectivity to a very large number of users. To accommodate this demand with limited hardware resources, beam hopping (BH) has emerged as a…

Information Theory · Computer Science 2025-12-23 Juha Park , Seokho Kim , Wonjae Shin , H. Vincent Poor

The regenerative capabilities of next-generation satellite systems offer a novel approach to design low earth orbit (LEO) satellite communication systems, enabling full flexibility in bandwidth and spot beam management, power control, and…

Information Theory · Computer Science 2023-12-19 Sovit Bhandari , Thang X. Vu , Symeon Chatzinotas

The explosive growth in wireless service demand has prompted the evolution of integrated satellite-terrestrial networks (ISTNs) to overcome the limitations of traditional terrestrial networks (TNs) in terms of coverage, spectrum efficiency,…

Signal Processing · Electrical Eng. & Systems 2026-02-11 Hung Nguyen-Kha , Vu Nguyen Ha , Ti Nguyen , Eva Lagunas , Joel Grotz , Symeon Chatzinotas , Björn Ottersten

Low earth orbit (LEO) satellite constellation-enabled communication networks are expected to be an important part of many Internet of Things (IoT) deployments due to their unique advantage of providing seamless global coverage. In this…

Information Theory · Computer Science 2024-10-28 Keke Ying , Zhen Gao , Sheng Chen , Mingyu Zhou , Dezhi Zheng , Symeon Chatzinotas , Björn Ottersten , H. Vincent Poor

The ultra-dense deployment of interconnected satellites will characterize future low Earth orbit (LEO) mega-constellations. Exploiting this towards a more efficient satellite network (SatNet), this paper proposes a novel LEO SatNet…

Networking and Internet Architecture · Computer Science 2022-11-03 Mohammed Y. Abdelsadek , Gunes Karabulut Kurt , Halim Yanikomeroglu

Low Earth Orbit (LEO) satellite networks are capable of improving the global Internet service coverage. In this context, we propose a hybrid beamforming design for holographic metasurface based terrestrial users in multi-altitude LEO…

Information Theory · Computer Science 2025-01-09 Qingchao Li , Mohammed El-Hajjar , Kaijun Cao , Chao Xu , Harald Haas , Lajos Hanzo

In this paper, we focus on the use of Low-Eart Orbit (LEO) satellites providing the Narrowband Internet of Things (NB-IoT) connectivity to the on-ground user equipment (UEs). Conventional resource allocation algorithms for the NBIoT systems…

Signal Processing · Electrical Eng. & Systems 2024-10-28 O. Kodheli , N. Maturo , S. Chatzinotas , S. Andrenacci , F. Zimmer

The use of Low Earth Orbit (LEO) satellites in the next generation (Next-G) communication systems has been gaining traction over the last few years due to their potential for providing global connectivity with low latency. Since they are…

Signal Processing · Electrical Eng. & Systems 2025-06-03 Sambrama , Venkata Srirama Rohit Kantheti , Liang C Chu , Erik Blasch , Shih-Chun Lin

This paper proposes a novel split learning architecture designed to exploit the cyclical movement of Low Earth Orbit (LEO) satellites in non-terrestrial networks (NTNs). Although existing research focuses on offloading tasks to the NTN…

Networking and Internet Architecture · Computer Science 2025-11-05 Marc Martinez-Gost , Ana Pérez-Neira