Results 31 to 40 of about 2,494,127 (194)

Research on design of permanent inter-satellite-links in satellite networks

open access: yesTongxin xuebao, 2006
Based on constellation designation,conditions of permanent inter-satellite-links were analyzed in order to solve problems of continual handoff caused by relative movements of satellites in different orbits in satellite networks.A scheme to design ...
WANG Zhen-yong   +3 more
doaj   +2 more sources

Orbit Determination Method for BDS-3 MEO Satellites Based on Multi-Source Observation Links

open access: yesRemote Sensing
Research on augmentation and supplement systems for navigation systems has become a significant aspect in comprehensive positioning, navigation and timing (PNT) studies.
Jie Xin, Kai Li
doaj   +1 more source

On the Role of Reflectarrays for Interplanetary Links

open access: yesIEEE Open Journal of the Communications Society
Interplanetary links (IPL) serve as crucial enablers for space exploration, facilitating secure and adaptable space missions. An integrated IPL with inter-satellite communication (IP-ISL) establishes a unified deep space network, expanding coverage and ...
Eray Guven   +3 more
doaj   +1 more source

Networking Feasibility of Quantum Key Distribution Constellation Networks

open access: yesEntropy, 2022
Quantum key distribution constellation is the key to achieve global quantum networking. However, the networking feasibility of quantum constellation that combines satellite-to-ground accesses selection and inter-satellite routing is faced with a lack of ...
Junyong Wang   +3 more
doaj   +1 more source

Inter-American Development Bank Annual Report 2013: Financial Statements [PDF]

open access: yes, 2014
This report is the second of two volumes which together constitute the Inter-American Development Bank\u27s 2013 Annual Report. This report contains the management\u27s discussion and analysis of the Bank\u27s ordinary capital and financial ...
Inter-American Development Bank
core   +1 more source

Laser Inter-Satellite Links in a Starlink Constellation

open access: yes, 2021
Laser inter-satellite links (LISLs) are envisioned between satellites in upcoming satellite constellations, such as Phase I of SpaceX's Starlink. Within a constellation, satellites can establish LISLs with other satellites in the same orbital plane or in different orbital planes.
Chaudhry, Aizaz U., Yanikomeroglu, Halim
openaire   +2 more sources

Design of Mega-Constellations for Global Uniform Coverage with Inter-Satellite Links

open access: yesAerospace, 2022
Constellation configuration design is a prerequisite and critical step in the construction of a mega-constellation system in low Earth orbit. However, the huge number of satellites and the intricate changes in relative positions among them make the ...
Lu Jia   +3 more
doaj   +1 more source

Inter-American Development Bank Annual Report 2022: Financial Statements

open access: yes, 2023
This report is the second of two volumes which together constitute the Inter-American Development Bank\u27s 2022 Annual Report. This report contains the management\u27s discussion and analysis of the Bank\u27s ordinary capital and financial ...
Inter-American Development Bank
core   +1 more source

Stages of Structural and Parametric Synthesis of Low Earth Orbit Communication Systems with Broadband Inter-Satellite Links

open access: yesRUDN Journal of Engineering Research
The paper discusses the scientific rationale for the structural and parametric synthesis of low Earth orbit communication systems (LEOCSs) with broadband inter-satellite links (ISLs) and on-board data routing, principles and stages underlying data ...
Sergey B. Pichugin
doaj   +1 more source

On-Board Federated Learning for Satellite Clusters With Inter-Satellite Links [PDF]

open access: yesIEEE Transactions on Communications
The emergence of mega-constellations of interconnected satellites has a major impact on the integration of cellular wireless and non-terrestrial networks, while simultaneously offering previously inconceivable data gathering capabilities. This paper studies the problem of running a federated learning (FL) algorithm within low Earth orbit satellite ...
Nasrin Razmi   +3 more
openaire   +3 more sources

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