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Recent breakthroughs in technology have led to a thriving "new space" culture in low-Earth orbit (LEO) in which performance and cost considerations dominate over resilience and reliability as mission goals. These advances create a manifold…

Networking and Internet Architecture · Computer Science 2022-10-21 Gregory Stock , Juan A. Fraire , Holger Hermanns , Eduardo Cruz , Alastair Isaacs , Zhana Imbrosh

Low-Earth orbit (LEO) satellite systems have been deemed a promising key enabler for current 5G and the forthcoming 6G wireless networks. Such LEO satellite constellations can provide worldwide three-dimensional coverage, high data rate,…

Information Theory · Computer Science 2024-02-13 Mesut Toka , Byungju Lee , Jaehyup Seong , Aryan Kaushik , Juhwan Lee , Jungwoo Lee , Namyoon Lee , Wonjae Shin , H. Vincent Poor

Low-earth-orbit (LEO) satellite communication systems that use millimeter-wave frequencies rely on large antenna arrays with hybrid analog-digital architectures for rapid beam steering. LEO satellites are only visible from the ground for…

Signal Processing · Electrical Eng. & Systems 2025-11-03 Anders Malthe Westerkam , Amélia Struyf , Dimitri Lederer , Troels Pedersen , François Quitin

Global communications have undergone a paradigm shift with the rapid expansion of low-earth orbit (LEO) satellite constellations, offering a new space era of reduced latency and ubiquitous, high-speed broadband internet access. However, the…

Systems and Control · Electrical Eng. & Systems 2024-04-22 Flor Ortiz , Eva Lagunas , Almoatssimbillah Saifaldawla , Mahdis Jalali , Luis Emiliani , Symeon Chatzinotas

Low Earth orbit (LEO) satellite constellations play a pivotal role in sixth-generation (6G) wireless networks by providing global coverage, massive connections, and huge capacity. In this paper, we present a novel LEO satellite…

Information Theory · Computer Science 2025-09-05 Wenfei Yao , Xiaoming Chen , Qi Wang , Xingyu Peng

In this paper, we review well-known handovers algorithms in satellite environment. The modern research trends and contributions are proposed and summarized in order to overcome their considering problems in satellite-air-ground integrated…

Networking and Internet Architecture · Computer Science 2021-07-20 Soohyun Park , Joongheon Kim

Low Earth Orbit (LEO) satellite networks are an important part of the global communication infrastructure today. Despite ongoing efforts to improve their resilience, they remain vulnerable to component damage and deorbiting under harsh…

Earth and Planetary Astrophysics · Physics 2025-09-25 Eunju Kang , Alagappan Ramanathan , Sangeetha Abdu Jyothi

The deployment of low earth orbit (LEO) satellites with terrestrial networks can potentially increase the efficiency and reduce the cost of relaying content from a data center to a set of edge caches hosted by 6G and beyond enabled macro…

Signal Processing · Electrical Eng. & Systems 2023-03-24 Basem Abdellatif , Mostafa M. Shibl , Tamer Khattab , John Tadrous , Tarek ElFouly , Nizar Zorba

Due to their low latency, high capacity, and seamless worldwide coverage, low Earth orbit (LEO) satellites are essential to the equal access network. Stochastic geometry (SG) is an appropriate method for such a large and irregular system.…

Networking and Internet Architecture · Computer Science 2022-08-02 Yanbo Cao , Derui Gao , Jingyu Xu

LEO Satellite Networks (LSNs) are revolutionizing global connectivity, but their reliance on tens of thousands of satellites raises pressing concerns over sustainability and survivability. In this work, we argue that the inefficiencies in…

Networking and Internet Architecture · Computer Science 2025-08-26 Chris Misa , Ramakrishnan Durairajan

As air travel demand increases, uninterrupted high-speed internet access becomes essential. However, current satellite-based systems face latency and connectivity challenges. While prior research has focused on terrestrial 5G and…

Networking and Internet Architecture · Computer Science 2025-04-11 Raúl Parada , Victor Monzon Baeza , Carlos Horcajo Fernández de Gamboa , Rocío Serrano Camacho , Carlos Monzo

Multi orbit low earth orbit (LEO) satellites communication is envisioned as a key infrastructure to deliver global coverage, enabling future services from space air ground integrated networks.However, the optimized design of LEO which…

Systems and Control · Electrical Eng. & Systems 2025-11-18 Yingzhuo Sun , Yulan Gao , Ming Xiao , Zhu Han , Octavia A. Dobre

This paper analyzes the performance of low earth orbit (LEO) satellites based internet-of-things (IoT) network where each IoT node makes use of multiple satellites to communicate with the ground station (GS). In this work, we consider fixed…

Signal Processing · Electrical Eng. & Systems 2020-04-23 Ayush Kumar Dwivedi , Sai Praneeth Chokkarapu , Sachin Chaudhari , Neeraj Varshney

Positioning using Global Navigation Satellite Systems (GNSS) typically requires several seconds of continuous signal reception from satellites in Medium Earth Orbit (MEO). This requirement poses challenges for applications where receivers…

Signal Processing · Electrical Eng. & Systems 2026-03-18 Soham Desai , Dave Cade

Low Earth Orbit (LEO) satellite networks are quickly gaining traction with promises of impressively low latency, high bandwidth, and global reach. However, the research community knows relatively little about their operation and performance…

Networking and Internet Architecture · Computer Science 2023-12-14 Liz Izhikevich , Manda Tran , Katherine Izhikevich , Gautam Akiwate , Zakir Durumeric

Low Earth orbit (LEO) satellite constellations are emerging as a key enabler of next-generation communications, offering global coverage and significantly lower latency compared to traditional terrestrial networks and geostationary…

Signal Processing · Electrical Eng. & Systems 2025-07-01 Mohammad Taghi Dabiri , Mazen Hasna , Saud Althunibat , Khalid Qaraqe

The rapid deployment of Low Earth Orbit (LEO) satellite constellations has enabled the emergence of in-orbit edge computing and data centers-interconnected satellites equipped with onboard computing capabilities and high-speed…

Systems and Control · Electrical Eng. & Systems 2026-05-05 Zian Wang , Peng Hu , Grant Gunn

As emerging massive constellations are intended to provide seamless connectivity for remote areas using hundreds of small low Earth orbit (LEO) satellites, new methodologies have great importance to study the performance of these networks.…

Networking and Internet Architecture · Computer Science 2020-10-05 Niloofar Okati , Taneli Riihonen

Satellite communication systems (SatCom) is a brand-new network that uses artificial Earth satellites as relay stations to provide communication services such as broadband Internet access to various users on land, sea, air and in space. It…

Cryptography and Security · Computer Science 2025-04-01 Yunfei Meng , Changbo Ke , Zhiqiu Huang

Integrated sensing and communication (ISAC) and ubiquitous connectivity are two usage scenarios of sixth generation (6G) networks. In this context, low earth orbit (LEO) satellite constellations, as an important component of 6G networks, is…

Information Theory · Computer Science 2025-01-14 Qi Wang , Xiaoming Chen , Qiao Qi , Mili Li , Wolfgang Gerstacker