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In real-time and high-resolution Earth observation imagery, Low Earth Orbit (LEO) satellites capture images that are subsequently transmitted to ground to create an updated map of an area of interest. Such maps provide valuable information…

网络与互联网体系结构 · 计算机科学 2023-07-18 Israel Leyva-Mayorga , Marc M. Gost , Marco Moretti , Ana Pérez-Neira , Miguel Ángel Vázquez , Petar Popovski , Beatriz Soret

With the rapid growth of IoT networks, ubiquitous coverage is becoming increasingly necessary. Low Earth Orbit (LEO) satellite constellations for IoT have been proposed to provide coverage to regions where terrestrial systems cannot.…

信息论 · 计算机科学 2025-11-11 Kosta Dakic , Bassel Al Homssi , Sumeet Walia , Akram Al-Hourani

Earth Observation (EO) has traditionally involved the transmission of a large volume of raw data to map the Earth surface. This results in congestion to the satellite network and delays in the availability of the results, invalidating the…

网络与互联网体系结构 · 计算机科学 2024-10-11 Antonio M. Mercado-Martínez , Beatriz Soret , Antonio Jurado-Navas

The high mobility of satellites in Low Earth Orbit (LEO) mega-constellations induces a highly dynamic network topology, leading to many problems like frequent service disruptions. To mitigate this, Packet-based Load Balancing (PBLB) is…

网络与互联网体系结构 · 计算机科学 2025-08-20 Xiyuan Liu , Guano Liu , Xiucheng Tian , Wenting Wei

In recent years, Low-Earth Orbit (LEO) mega-constellations have emerged as a promising network technology and have ushered in a new era for democratizing Internet access. The Starlink network from SpaceX stands out as the only…

网络与互联网体系结构 · 计算机科学 2024-02-23 Nitinder Mohan , Andrew Ferguson , Hendrik Cech , Prakita Rayyan Renatin , Rohan Bose , Mahesh Marina , Jörg Ott

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…

网络与互联网体系结构 · 计算机科学 2024-06-05 Dhiraj Bhattacharjee , Pablo G. Madoery , Aizaz U. Chaudhry , Halim Yanikomeroglu , Gunes Karabulut Kurt , Peng Hu , Khaled Ahmed , Stephane Martel

Low Earth Orbit (LEO) satellite ISPs promise universal Internet connectivity, yet their interaction with content delivery remains poorly understood. We present the first comprehensive measurement study decomposing Starlink's web content…

网络与互联网体系结构 · 计算机科学 2025-10-16 Rohan Bose , Jinwei Zhao , Tanya Shreedhar , Jianping Pan , Nitinder Mohan

Low Earth Orbit (LEO) satellites present a compelling opportunity for the establishment of a global quantum information network. However, satellite-based entanglement distribution from a networking perspective has not been fully…

网络与互联网体系结构 · 计算机科学 2023-06-16 Alena Chang , Yinxin Wan , Guoliang Xue , Arunabha Sen

A mega-constellation of low-earth orbit (LEO) satellites has the potential to enable long-range communication with low latency. Integrating this with burgeoning unmanned aerial vehicle (UAV) assisted non-terrestrial networks will be a…

网络与互联网体系结构 · 计算机科学 2020-05-27 Ju-Hyung Lee , Jihong Park , Mehdi Bennis , Young-Chai Ko

The existence and prevalence of planar, co-rotating distributions of satellite galaxies around L* host galaxies in the local universe remains a subject of ongoing debate. Despite numerous observational efforts over the past decade, a…

星系天体物理 · 物理学 2026-02-25 Ethan Crosby , Marcel S. Pawlowski , Oliver Müller , Helmut Jerjen

This paper presents a study of an integrated satellite-terrestrial network, where Low-Earth-Orbit (LEO) satellites are used to provide the backhaul link between base stations (BSs) and the core network. The mobility of LEO satellites raises…

信号处理 · 电气工程与系统科学 2023-03-21 Hung Nguyen-Kha , Vu Nguyen Ha , Eva Lagunas , Symeon Chatzinotas , Joel Grotz

Low earth orbit (LEO) satellite-assisted integrated sensing and communications (ISAC) systems have been extensively studied to achieve ubiquitous connectivity. However, the severe signal attenuation and limited transmit power at LEO…

信号处理 · 电气工程与系统科学 2025-11-07 Hanfu Zhang , Erwu Liu

Offering space-based Internet services with mega-constellations of low Earth orbit (LEO) satellites is a promising solution to connecting the unconnected. It can complement the coverage of terrestrial networks to help bridge the digital…

网络与互联网体系结构 · 计算机科学 2021-08-18 Xingqin Lin , Stefan Cioni , Gilles Charbit , Nicolas Chuberre , Sven Hellsten , Jean-Francois Boutillon

Large Low Earth Orbit (LEO) constellations (e.g., Starlink and Iridium) significantly increase the likelihood of transient, high-power interference events at ground receivers. This report presents SatTrack, a GUI-driven simulation framework…

天体物理仪器与方法 · 物理学 2025-12-24 J. M. Santana , L. Heller , R. M. Buehrer

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

In this paper, we derive the fundamental limits of low earth orbit (LEO) enabled localization by analyzing the available information in signals from multiple LEOs during different transmission time slots received on a multiple antennas and…

信号处理 · 电气工程与系统科学 2024-09-05 Don-Roberts Emenonye , Harpreet S. Dhillon , R. Michael Buehrer

This paper proposes a robust resource allocation framework for a low Earth orbit (LEO) satellite-enabled simultaneous wireless information and power transfer (SWIPT) system, assisted by a ground-deployed simultaneously transmitting and…

信号处理 · 电气工程与系统科学 2025-09-03 Zahra Rostamikafaki , Francois Chan , Claude D'Amours

Low-Earth orbit (LEO) mega-constellations are emerging as high-capacity backbones for next-generation Internet. Deployment of laser terminals enables high-bandwidth, low-latency inter-satellite links (ISLs); however, their limited number,…

网络与互联网体系结构 · 计算机科学 2026-04-22 Shayan Hamidi Dehshali , Tzu-Hsuan Liao , Shaileshh Bojja Venkatakrishnan

This paper presents a star-of-star topology for internet-of-things (IoT) networks using mega low-Earth-orbit constellations. The proposed topology enables IoT users to broadcast their sensed data to multiple satellites simultaneously over a…

信号处理 · 电气工程与系统科学 2023-09-06 Ayush Kumar Dwivedi , Sachin Chaudhari , Neeraj Varshney , Pramod K. Varshney

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…

信号处理 · 电气工程与系统科学 2025-07-01 Mohammad Taghi Dabiri , Mazen Hasna , Saud Althunibat , Khalid Qaraqe