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The advances in satellite technology developments have recently seen a large number of small satellites being launched into space on Low Earth orbit (LEO) to collect massive data such as Earth observational imagery. The traditional way…

机器学习 · 计算机科学 2023-02-28 Mohamed Elmahallawy , Tie Luo

In this paper, we investigate the performance of large-scale heterogeneous low Earth orbit (LEO) satellite networks in the context of three association schemes. In contrast to existing studies, where single-tier LEO satellite-based network…

新兴技术 · 计算机科学 2024-05-14 Yuan Guo , Christodoulos Skouroumounis , Symeon Chatzinotas , Ioannis Krikidis

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…

系统与控制 · 电气工程与系统科学 2025-11-18 Yingzhuo Sun , Yulan Gao , Ming Xiao , Zhu Han , Octavia A. Dobre

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

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…

网络与互联网体系结构 · 计算机科学 2022-10-21 Gregory Stock , Juan A. Fraire , Holger Hermanns , Eduardo Cruz , Alastair Isaacs , Zhana Imbrosh

Unlike in terrestrial cellular networks, certain frequency bands for low-earth orbit (LEO) satellite systems have thus far been allocated on a non-exclusive basis. In this context, systems that launch their satellites earlier (referred to…

信号处理 · 电气工程与系统科学 2025-10-06 Jeong Min Kong , Eunsun Kim , Ian P. Roberts

The use of communication satellites in medium Earth orbit (MEO) is foreseen to provide quasi-global broadband Internet connectivity in the coming networking ecosystems. Multi-user multiple-input single-output (MU-MISO) digital signal…

The Internet is going through a massive infrastructural revolution with the advent of low-flying satellite networks, 5/6G, WiFi7, and hollow-core fiber deployments. While these networks could unleash enhanced connectivity and new…

Interference from terrestrial networks can reduce the communication rate for low Earth orbit (LEO) satellites in the upper mid-band. To coexist in frequency, MIMO precoding can be used to reduce the signal that impinges on the LEO…

信号处理 · 电气工程与系统科学 2025-06-05 Nima Razavi , Murat Bayraktar , Nuria Gonzalez Prelcic , Robert W. Heath

Low Earth orbit (LEO) satellites, as a prominent technology in the 6G non-terrestrial network, offer both positioning and communication capabilities. While these two applications have each been extensively studied and have achieved…

信号处理 · 电气工程与系统科学 2024-12-03 Jie Ma , Pinjun Zheng , Xing Liu , Yuchen Zhang , Tareq Y. Al-Naffouri

Low Earth Orbit (LEO) satellite networks are rapidly gaining traction today. Although several real-world deployments exist, our preliminary analysis of LEO topology performance with the soon-to-be operational Inter-Satellite Links (ISLs)…

网络与互联网体系结构 · 计算机科学 2024-09-12 Wenyi Zhang , Zihan Xu , Sangeetha Abdu Jyothi

A critical problem in global telecommunication is the drastic increase in data volume transmitted and received across the world. To address the need for scalable telecommunication solutions in light of growing data volume, the BMW Group and…

网络与互联网体系结构 · 计算机科学 2020-07-28 Sean Batir , Nicholas Humann , Carmel Ortiz , David Bettinger , Susanne Heger , Bennie Vorster

Low Earth orbit (LEO) satellite networks with mega constellations have the potential to provide 5G and beyond services ubiquitously. However, these networks may introduce mutual interference to both satellite and terrestrial networks,…

信号处理 · 电气工程与系统科学 2024-08-23 Daeun Kim , Jeonghun Park , Jinseok Choi , Namyoon Lee

Low Earth orbit (LEO) satellite constellations are rapidly becoming essential enablers of next-generation wireless systems, offering global broadband access, high-precision localization, and reliable sensing beyond terrestrial coverage.…

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…

社会与信息网络 · 计算机科学 2024-04-16 Yaohua Sun , Jianfeng Zhu , Mugen Peng

Small satellites in Low Earth Orbit (LEO) attract much attention from both industry and academia. The latest production and launch technologies constantly drive the development of LEO constellations. However, the wideband signal, except…

网络与互联网体系结构 · 计算机科学 2023-08-10 Zhuoao Xu , Yue Gao , Gaojie Chen , Ryan Fernandez , Vedaprabhu Basavarajappa , Rahim Tafazolli

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.…

网络与互联网体系结构 · 计算机科学 2022-08-02 Yanbo Cao , Derui Gao , Jingyu Xu

Low-Earth Orbit (LEO) Satellite Networks (LSNs) offer a promising solution for extending connectivity to areas not covered by Terrestrial Networks (TNs). However, the rapid movement, broad coverage, and high communication latency of LEO…

网络与互联网体系结构 · 计算机科学 2026-03-10 Xingqiu He , Zijie Ying , Chaoqun You , Yue Gao

With the rapid development of satellite communication technologies, the space-based access network has been envisioned as a promising complementary part of the future 6G network. Aside from terrestrial base stations, satellite nodes,…

信号处理 · 电气工程与系统科学 2022-07-26 Zhenyu Xiao , Junyi Yang , Tianqi Mao , Chong Xu , Rui Zhang , Zhu Han , Xiang-Gen Xia

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…

网络与互联网体系结构 · 计算机科学 2022-11-03 Mohammed Y. Abdelsadek , Gunes Karabulut Kurt , Halim Yanikomeroglu