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The number of low Earth orbit (LEO) satellite constellations has grown rapidly in recent years, bringing a major change to global wireless communications. As LEO satellite links take on a growing role in critical services such as emergency…

Signal Processing · Electrical Eng. & Systems 2026-03-27 Jinyoung Lee , Stefano Tomasin , Dong-Hyun Jung

With the rapid development of sixth-generation (6G) communication technology, global communication networks are moving towards the goal of comprehensive and seamless coverage. In particular, low earth orbit (LEO) satellites have become a…

Signal Processing · Electrical Eng. & Systems 2024-11-08 Wenjun Lan , Kongyang Chen , Jiannong Cao , Yikai Li , Ning Li , Qi Chen , Yuvraj Sahni

This paper offers a thorough analysis of the coverage performance of Low Earth Orbit (LEO) satellite networks using a strongest satellite association approach, with a particular emphasis on shadowing effects modeled through a Poisson point…

Information Theory · Computer Science 2024-09-09 Jinseok Choi , Jeonghun Park , Junse Lee , Namyoon Lee

Due to the strong dependency of our societies onGlobal Navigation Satellite Systems and their vulnerability to outages, there is an urgent need for additional navigation systems. A possible approach for such an additional system uses the…

Signal Processing · Electrical Eng. & Systems 2023-04-20 Winfried Stock , Christian A. Hofmann , Andreas Knopp

This paper aims to develop satellite-user association and resource allocation mechanisms to minimize the total transmit power for integrated terrestrial and non-terrestrial networks wherein a constellation of LEO satellites provides the…

Signal Processing · Electrical Eng. & Systems 2023-02-06 Hung Nguyen-Kha , Vu Nguyen Ha , Eva Lagunas , Symeon Chatzinotas , Joel Grotz

Low Earth orbit (LEO) satellite communications (SATCOM) with ubiquitous global connectivity is deemed a pivotal catalyst in advancing wireless communication systems for 5G and beyond. LEO SATCOM excels in delivering versatile information…

Information Theory · Computer Science 2024-08-07 Jaehyup Seong , Juha Park , Dong-Hyun Jung , Jeonghun Park , Wonjae Shin

This paper focusses on Service Level Agreement (SLA) based end-to-end Quality of Service (QoS) maintenance across a wireless optical integrated network. We use long term evolution (LTE) based spectrum access system (SAS) in the wireless…

Networking and Internet Architecture · Computer Science 2021-12-02 Atri Mukhopadhyay , Goutam Das

Low Earth Orbit (LEO) Earth Observation (EO) satellites have changed the way we monitor Earth. Acting like moving cameras, EO satellites are formed in constellations with different missions and priorities, and capture vast data that needs…

Networking and Internet Architecture · Computer Science 2024-09-18 Xiaojian Wang , Ruozhou Yu , Dejun Yang , Guoliang Xue

The highly dynamic nature of Low-Earth Orbit (LEO) satellite networks introduces challenges that existing transport protocols fail to address, including non-congestive latency variation and loss, transient congestion hotspots, and frequent…

Networking and Internet Architecture · Computer Science 2026-03-26 Aiden Valentine , Ian Wakeman , George Parisis

Low Earth orbit (LEO) satellite mega constellations are beginning to include laser inter-satellite links (LISLs) to extend the Internet to the most remote locations on Earth. Since the process of establishing these links incurs a setup…

Networking and Internet Architecture · Computer Science 2024-06-05 Dhiraj Bhattacharjee , Pablo G. Madoery , Aizaz U. Chaudhry , Halim Yanikomeroglu , Gunes Karabulut Kurt , Peng Hu , Khaled Ahmed , Stephane Martel

Utilizing Low Earth Orbit (LEO) satellite networks equipped with Inter-Satellite Links (ISL) is envisioned to provide lower delay compared to traditional optical networks. However, LEO satellites have constrained energy resources as they…

Information Theory · Computer Science 2023-07-11 Kosta Dakic , Chiu Chun Chan , Bassel Al Homssi , Kandeepan Sithamparanathan , Akram Al-Hourani

This work develops an analytical framework for downlink low Earth orbit (LEO) or medium Earth orbit (MEO) satellite communications, leveraging tools from stochastic geometry. We propose a tractable approach to the analysis of such satellite…

Signal Processing · Electrical Eng. & Systems 2024-06-14 Chang-Sik Choi , François Baccelli

The low-altitude economy (LAE) is a new economic paradigm that leverages low-altitude vehicles (LAVs) to perform diverse missions across diverse areas. To support the operations of LAE, it is essential to establish LAE networks that enable…

Networking and Internet Architecture · Computer Science 2025-07-08 Shizhao He , Jiacheng Wang , Ying-Chang Liang , Geng Sun , Dusit Niyato

The new space race is heating up as private companies such as SpaceX and Amazon are building large satellite constellations in low-earth orbit (LEO) to provide global broadband internet access. As the number of subscribers connected to this…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-07 Tobias Pfandzelter , Jonathan Hasenburg , David Bermbach

Based on the vision of global coverage for sixth-generation (6G) wireless communication systems, the low earth orbit (LEO) satellite-to-ground channel model for urban scenarios has emerged as highly important for the system design. In this…

Systems and Control · Electrical Eng. & Systems 2025-01-07 Jiahao Ning , Jinhao Deng , Yuanfang Li , Chi Zhao , Jiashu Liu , Songjiang Yang , Yinghua Wang , Jie Huang , Cheng-Xiang Wang

Low Earth orbit (LEO) satellite mega-constellation networks aim to address the high connectivity demands with a projected 50,000 satellites in less than a decade. To fully utilize such a large-scale dynamic network, an air network composed…

Signal Processing · Electrical Eng. & Systems 2022-06-28 Eray Güven , Güneş Karabulut Kurt

This paper addresses the complexities of entanglement distribution in LEO satellite networks, particularly those arising from their dynamic topology. Traditional static and dynamic entanglement distribution methods often result in high…

Quantum Physics · Physics 2024-09-26 Seid Koudia , Junaid ur Rehman , Symeon Chatzinotas

Low Earth Orbit (LEO) satellites undergo a period of rapid development driven by ever-increasing user demands, reduced costs, and technological progress. Since there is a paucity of literature on the security and reliability issues of LEO…

Signal Processing · Electrical Eng. & Systems 2023-07-20 Pingyue Yue , Jianping An , Jiankang Zhang , Jia Ye , Gaofeng Pan , Shuai Wang , Pei Xiao , Lajos Hanzo

As private space companies such as SpaceX and Telesat are building large LEO satellite constellations to provide global broadband Internet access, researchers have proposed to embed compute services within satellite constellations to…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-04-15 Tobias Pfandzelter , David Bermbach

This work provides a rigorous methodology for assessing the feasibility of spectrum sharing between large low-earth orbit (LEO) satellite constellations. For concreteness, we focus on the existing Starlink system and the soon-to-be-launched…

Signal Processing · Electrical Eng. & Systems 2023-12-12 Eunsun Kim , Ian P. Roberts , Jeffrey G. Andrews