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Large low earth orbit (LEO) satellite networks such as SpaceX's Starlink constellation promise to deliver low-latency, high-bandwidth Internet access with global coverage. As an alternative to terrestrial fiber as a global Internet…

分布式、并行与集群计算 · 计算机科学 2021-03-05 Tobias Pfandzelter , David Bermbach

Low Earth Orbit (LEO) satellite networks connect millions of devices on Earth and offer various services, such as data communications, remote sensing, and data harvesting. As the number of services increases, LEO satellite networks will…

信息论 · 计算机科学 2024-08-12 Chang-Sik Choi

Non-terrestrial networks (NTNs) increasingly rely on non-geostationary (NGSO) constellations that combine radio frequency (RF) feeder links (FLs) with free space optical (FSO) inter-satellite links (ISLs). Downlink performance in such…

信号处理 · 电气工程与系统科学 2026-03-16 Abid Afridi , Alexis A. Dowhuszko , Jevgenij Krivochiza , Risto Wichman , Jyri Hämäläinen

Low Earth Orbit (LEO) satellite networks, characterized by their high data throughput and low latency, have gained significant interest from both industry and academia. Routing data efficiently within these networks is essential for…

网络与互联网体系结构 · 计算机科学 2025-03-24 Yi Ching Chou , Long Chen , Hengzhi Wang , Feng Wang , Hao Fang , Haoyuan Zhao , Miao Zhang , Xiaoyi Fan , Jiangchuan Liu

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…

信号处理 · 电气工程与系统科学 2025-06-03 Sambrama , Venkata Srirama Rohit Kantheti , Liang C Chu , Erik Blasch , Shih-Chun Lin

With the increase in global positioning service demands and the requirement for more precise positioning, assisting existing medium and high orbit satellite-enabled positioning systems with low Earth orbit (LEO) satellites has garnered…

网络与互联网体系结构 · 计算机科学 2025-06-05 Ruibo Wang , Mustafa A. Kishk , Howard H. Yang , Mohamed-Slim Alouini

Low earth orbit (LEO) satellite constellations are becoming a cornerstone of next-generation satellite networks, enabling worldwide high-precision navigation and high-quality remote sensing. This paper proposes a novel dual-function LEO…

信息论 · 计算机科学 2025-11-18 Qi Wang , Xiaoming Chen , Qiao Qi , Zhaolin Wang , Yuanwei Liu

Starlink constellations are currently the largest LEO WAN and have seen considerable interest from the research community. In this paper, we use high-frequency and high-fidelity measurements to uncover evidence of hierarchical traffic…

网络与互联网体系结构 · 计算机科学 2023-07-04 Hammas Bin Tanveer , Mike Puchol , Rachee Singh , Antonio Bianchi , Rishab Nithyanand

In this paper, we consider traffic offloading of integrated low earth orbit (LEO) satellite-terrestrial network. We first derive traffic offloading probability from the terrestrial network to the LEO satellite network based on the…

信息论 · 计算机科学 2023-08-01 Hossein Akhlaghpasand , Vahid Shah-Mansouri

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,…

Recent advancements in low-Earth-orbit (LEO) satellites aim to bring resilience, ubiquitous, and high-quality service to future Internet infrastructure. However, the soaring number of space assets, increasing dynamics of LEO satellites and…

网络与互联网体系结构 · 计算机科学 2024-11-21 Peng Hu

Low-Earth-Orbit (LEO) satellite constellations have become vital in emerging commercial and defense Non-Terrestrial Networks (NTNs). However, their predictable orbital dynamics and exposed geometries make them highly susceptible to…

信号处理 · 电气工程与系统科学 2026-02-09 Shizhen Jia , Mingjun Ying , Marco Mezzavilla , Theodore S. Rappaport , Sundeep Rangan

The emergence of Low Earth Orbit (LEO) satellite constellations dedicated to positioning applications holds the promise of improving the capabilities of existing Global Navigation Satellite Systems (GNSS). However, the absence of…

地球与行星天体物理 · 物理学 2024-02-01 Miquel Garcia-Fernandez

Future integrated terrestrial, aerial, and space networks will involve thousands of Low Earth Orbit (LEO) satellites forming a network of mega-constellations, which will play a significant role in providing communication and Internet…

网络与互联网体系结构 · 计算机科学 2023-08-15 Tasneem Darwish , Gunes Kurt , Halim Yanikomeroglu , Guillaume Lamontagne , Michel Bellemare

Deciphering the genesis and evolution of the Martian polar caps can provide crucial understanding of Mars' climate system. The growing scientific interest for the exploration of Mars at high latitudes, and the need of minimizing the…

空间物理 · 物理学 2022-12-06 S. Molli , D. Durante , G. Boscagli , G. Cascioli , P. Racioppa , E. M. Alessi , S. Simonetti , L. Vigna , L. Iess

With the rapid expansion of low Earth orbit (LEO) constellations, thousands of satellites are now in operation, many equipped with onboard GNSS receivers capable of continuous orbit determination and time synchronization. This development…

信号处理 · 电气工程与系统科学 2026-01-14 Xing Liu , Xue Xian Zheng , José A. López-Salcedo , Tareq Y. Al-Naffouri , Gonzalo Seco-Granados

The integration of Low Earth Orbit (LEO) satellite constellations into 5G and Beyond is essential to achieve efficient global connectivity. As LEO satellites are a global infrastructure with predictable dynamics, a pre-planned fair and…

网络与互联网体系结构 · 计算机科学 2022-11-14 Israel Leyva-Mayorga , Vineet Gala , Federico Chiariotti , Petar Popovski

The efforts to replace the successful, albeit aging, TCP/IP Internet architecture with a better suited one have driving research interest to information-centric alternatives. The Named Data Networking (NDN) architecture is probably one of…

This article investigates the transmission delay of a Low Earth Orbit (LEO) satellite communication system in a bent pipe structure. By employing a stochastic geometry framework, satellites are modeled as spherical binomial point processes…

几何拓扑 · 数学 2023-09-12 Sixi Cheng , Xiang Ling

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…

信号处理 · 电气工程与系统科学 2023-03-24 Basem Abdellatif , Mostafa M. Shibl , Tamer Khattab , John Tadrous , Tarek ElFouly , Nizar Zorba