Results 11 to 20 of about 256,786 (320)
IEEE Open Journal of the Communications Society, 2021 Communication system’s performance is sensitive to bandwidth, power, cost etc. There have been various solutions to improve the performance, out of them, one of the fundamental solutions over the years is design of optimum modulation schemes.
Praveen Kumar Singya +4 more
doaj +2 more sources
LEO Mega Constellations: Review of Development, Impact, Surveillance, and Governance
Space: Science & Technology, 2022 The rapid development of Low Earth Orbit (LEO) mega constellations has significantly contributed to several aspects of human scientific progress, such as communication, navigation, and remote sensing.
Jingrui Zhang +4 more
doaj +2 more sources
LEO Mega-Constellations for 6G Global Coverage: Challenges and Opportunities
IEEE Access, 2021 Mega-constellations have the potential for providing 6G Internet owing to the unique advantage of global coverage. However, current satellite technologies are not omnipotent.
Haoran Xie +3 more
doaj +2 more sources
Valuation Studies, 2021 The focus on situated practices in current valuation studies becomes an obstacle when situations are too narrowly defined, when moments of valuation are treated as isolated events and especially when the interconnectedness of moments across situations ...
Désirée Waibel +2 more
doaj +2 more sources
Making Sense of Constellations: Methodologies for Understanding Starlink's Scheduling Algorithms [PDF]
Conference on Emerging Network Experiment and Technology, 2023 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 controllers in ...
Hammas Bin Tanveer +4 more
semanticscholar +1 more source
LEO Satellite Constellations for 5G and Beyond: How Will They Reshape Vertical Domains? [PDF]
IEEE Communications Magazine, 2021 The rapid development of communication technologies in the past decades has provided immense vertical opportunities for individuals and enterprises. However, conventional terrestrial cellular networks have unfortunately neglected the huge geographical ...
Shicong Liu +7 more
semanticscholar +1 more source
Distributed On-Demand Routing for LEO Mega-Constellations: A Starlink Case Study [PDF]
Advanced Satellite Multimedia Systems Conference / Signal Processing for Space Communications Workshop, 2022 The design and launch of large-scale satellite networks create an imminent demand for efficient and delay-minimising routing methods. With the rising number of satellites in such constellations, pre-computing all shortest routes between all satellites ...
Gregory F. Stock, J. Fraire, H. Hermanns
semanticscholar +1 more source
Ground-Assisted Federated Learning in LEO Satellite Constellations [PDF]
IEEE Wireless Communications Letters, 2021 In Low Earth Orbit (LEO) mega constellations, there are relevant use cases, such as inference based on satellite imaging, in which a large number of satellites collaboratively train a machine learning model without sharing their local datasets.
N. Razmi +3 more
semanticscholar +1 more source
Downlink Coverage and Rate Analysis of Low Earth Orbit Satellite Constellations Using Stochastic Geometry [PDF]
IEEE Transactions on Communications, 2020 As low Earth orbit (LEO) satellite communication systems are gaining increasing popularity, new theoretical methodologies are required to investigate such networks’ performance at large.
N. Okati +4 more
semanticscholar +1 more source
On-Board Federated Learning for Dense LEO Constellations [PDF]
ICC 2022 - IEEE International Conference on Communications, 2021 Mega-constellations of small-size Low Earth Orbit (LEO) satellites are currently planned and deployed by various private and public entities. While global connectivity is the main rationale, these constellations also offer the potential to gather immense
N. Razmi +3 more
semanticscholar +1 more source