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相关论文: T3P: Demystifying Low-Earth Orbit Satellite Broadb…

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We have used an existing, robotic, multi-lens, all-sky camera system, coupled to a dedicated data reduction pipeline, to automatically determine orbital parameters of satellites in Low Earth Orbit (LEO). Each of the fixed cameras has a…

天体物理仪器与方法 · 物理学 2020-04-20 T. P. G. Wijnen , R. Stuik , M. Rodenhuis , M. Langbroek , P. Wijnja

The number of Low Earth Orbit~(LEO) satellites has grown enormously in the past years. Their abundance and low orbits allow for low latency communication with a satellite almost anywhere on Earth, and high-speed inter-satellite laser…

分布式、并行与集群计算 · 计算机科学 2024-10-22 Thomas Pusztai , Cynthia Marcelino , Stefan Nastic

The extension of wide area wireless connectivity to low-earth orbit (LEO) satellite communication systems demands a fresh look at the effects of in-orbit base stations, sky-to-ground propagation, and cell planning. A multi-beam LEO…

信号处理 · 电气工程与系统科学 2022-07-15 Eunsun Kim , Ian P. Roberts , Jeffrey G. Andrews

In practice, low Earth orbit (LEO) and medium Earth orbit (MEO) satellite networks consist of multiple orbits which are populated with many satellites. A widely used spatial architecture for LEO or MEO satellites is the Walker…

信息论 · 计算机科学 2025-08-04 Chang-Sik Choi , Francois Baccelli

We introduce a new analytical framework, developed based on the spatial network calculus, for performance assessment of Low Earth Orbit (LEO) satellite networks. Specifically, we model the satellites' spatial positions as a strong…

信息论 · 计算机科学 2025-11-12 Yuting Tang , Yufan He , Yi Zhong , Xijun Wang , Tony Q. S. Quek , Howard H. Yang

This Study proposes a routing strategy of combining a packet scheduling with congestion control policy that applied for LEO satellite network with high speed and multiple traffic. It not only ensures the QoS of different traffic, but also…

网络与互联网体系结构 · 计算机科学 2016-04-27 Saeid Aghaei Nezhad Firouzja , Muhammad Yousefnezhad , Masoud Samadi , Mohd Fauzi Othman

Frequency-division duplexing (FDD) remains the de facto standard in modern low Earth orbit (LEO) satellite communication (SatCom) systems, such as SpaceX's Starlink, OneWeb, and Amazon's Project Kuiper. While time-division duplexing (TDD)…

信号处理 · 电气工程与系统科学 2025-02-13 Hyunwoo Lee , Ian P. Roberts , Jehyun Heo , Joohyun Son , Hanwoong Kim , Yunseo Lee , Daesik Hong

5G and future cellular networks intend to incorporate low earth orbit (LEO) satellite communication systems (SatCom) to solve the coverage and availability problems that cannot be addressed by satellite-based or ground-based infrastructure…

信号处理 · 电气工程与系统科学 2022-04-08 Joan Palacios , Nuria Gonzalez-Prelcic , Carlos Mosquera , Takayuki Shimizu , Chang-Heng Wang

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…

网络与互联网体系结构 · 计算机科学 2025-11-05 Marc Martinez-Gost , Ana Pérez-Neira

Satellite networks are playing an important role in realizing global seamless connectivity in beyond 5G and 6G wireless networks. In this paper, we develop a comprehensive analytical framework to assess the performance of hybrid…

信号处理 · 电气工程与系统科学 2023-11-07 Houcem Ben Salem , Nour Kouzayha , Ammar EL Falou , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

Resilient routing in large-scale Low Earth Orbit (LEO) satellite networks remains a key challenge due to frequent and unpredictable link and node failures, potentially in response to cybersecurity breaches. While prior work has explored…

网络与互联网体系结构 · 计算机科学 2025-09-15 Lyubomir Yanev , Pietro Ronchetti , Joshua Smailes , Martin Strohmeier

Interest in the use of the low earth orbit (LEO) in space - from $160 \text{ km}$ to $2000 \text{ km}$ - has skyrocketed; this is evident by the fact that National Aeronautics and Space Administration (NASA) has partnered with various…

信号处理 · 电气工程与系统科学 2025-02-11 Don-Roberts Emenonye , Harpreet S. Dhillon , R. Michael Buehrer

Recently, Low Earth Orbit (LEO) satellites experience rapid development and satellite edge computing emerges to address the limitation of bent-pipe architecture in existing satellite systems. Introducing energy-consuming computing…

系统与控制 · 电气工程与系统科学 2022-03-14 Qing Li , Shangguang Wang , Xiao Ma , Ao Zhou , Fangchun Yang

Satellite systems face a significant challenge in effectively utilizing limited communication resources to meet the demands of ground network traffic, characterized by asymmetrical spatial distribution and time-varying characteristics.…

网络与互联网体系结构 · 计算机科学 2023-07-31 Sheikh Salman Hassan , Yu Min Park , Yan Kyaw Tun , Walid Saad , Zhu Han , Choong Seon Hong

We propose an architecture with accompanying protocol for on-board satellite data infrastructure designed for Low Earth Orbit (LEO) constellations offering communication services, such as direct-to-cell connectivity. Our design leverages…

分布式、并行与集群计算 · 计算机科学 2024-10-16 Thomas Sandholm , Sayandev Mukherjee , Bernardo A Huberman

Multiple low-Earth orbit satellite constellations, aimed at beaming broadband connectivity from space, are currently under active deployment. While such space-based Internet is set to augment, globally, today's terrestrial connectivity, and…

网络与互联网体系结构 · 计算机科学 2023-07-26 Aryan Taneja , Debopam Bhattacherjee , Saikat Guha , Venkata N. Padmanabhan

In recent years, there has been increasing investment in the deployment of massive commercial Low Earth Orbit (LEO) constellations to provide global Internet connectivity. These constellations, now equipped with inter-satellite links, can…

网络与互联网体系结构 · 计算机科学 2026-01-13 Miguel Rodríguez-Pérez , Sergio Herrería-Alonso , J. Carlos Lopez-Ardao , Andrés Suárez-González

Recently, stochastic geometry has been applied to provide tractable performance analysis for low earth orbit (LEO) satellite networks. However, existing works mainly focus on analyzing the ``coverage probability'', which provides limited…

信息论 · 计算机科学 2023-07-06 Yanshi Sun , Zhiguo Ding

Low earth orbit (LEO) satellite networks are emerging as a key infrastructure for global connectivity and space-based sensing. Many tasks in such systems can be formulated as measurement-set-to-spatial-inference problems, where spatial…

网络与互联网体系结构 · 计算机科学 2026-05-12 Liping Tao , Xindi Tong , Chee Wei Tan

Despite significant advancements in terrestrial networks, inherent limitations persist in providing reliable coverage to remote areas and maintaining resilience during natural disasters. Multi-tier networks with low Earth orbit (LEO)…

网络与互联网体系结构 · 计算机科学 2025-05-20 Jiahui Li , Geng Sun , Zemin Sun , Jiacheng Wang , Yinqiu Liu , Ruichen Zhang , Dusit Niyato , Shiwen Mao
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