Results 1 to 10 of about 13,102,569 (286)

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

An Overview of Satellite Link Budget Sensitivity Based on Digital Modulation Schemes in Multi-Orbit Satellite Networks

open access: yesApplied Sciences
With the rapid development of multi-orbit satellite networks, efficient and reliable communication systems have become essential for ensuring the link connectivity.
Denis Stanescu, Alexandra Buzducea
doaj   +1 more source

Design and electromagnetic analysis of pyramidal and conical horn antenna for X-band satellite communication systems

open access: yesFrontiers in Antennas and Propagation
The objective of this manuscript is to analyze and electromagnetically simulate two different horn antenna configurations, namely, a pyramidal horn antenna and a conical horn antenna.
Hatice-Andreea Topal   +1 more
doaj   +1 more source

Secure Communication in Non-Geostationary Orbit Satellite Systems: A Physical Layer Security Perspective

open access: yesIEEE Access, 2019
Satellite communication systems serve as an indispensable component of wireless heterogeneous networks in 5G era for providing various critical civil and military applications.
Yeqiu Xiao   +4 more
doaj   +1 more source

Feasibility research on the use of IMT frequencies for direct-to-cell satellite communication

open access: yesDianxin kexue
Frequency selection is the primary consideration and technical foundation for launching satellites for direct to cell-satellite communication. To this end, the frequency selection for such communication systems was analyzed and studied.
ZHANG Lingfan   +5 more
doaj   +2 more sources

Rapidly Deployable Satellite-Based Emergency Communications Infrastructure

open access: yesIEEE Access
Communication infrastructure is crucial during emergencies because it ensures reliable coordination and information dissemination for effective search and rescue missions.
Francis Kagai   +4 more
doaj   +1 more source

Mobility Management Technologies for 6G-Oriented Low Earth Orbit Satellite Communication Systems

open access: yes天地一体化信息网络
The LEO satellite system, with its unique advantages such as global coverage and low latency, combined with the direct satellite-to-ground communication method, has shown great potential in enhancing global communication capabilities and will become an ...
LU Hang, ZHANG Jiaxin, WANG Haixu
doaj  

Intelligent reflective surfaces in 5G and beyond: optimizing uplink satellite connectivity for IoT [PDF]

open access: yesPeerJ Computer Science
In the evolving landscape of communication technologies, the integration of intelligent reflective surfaces (IRS) into uplink satellite communication for Internet of Things (IoT) ecosystems presents a promising solution to overcome traditional ...
Callistus Odinaka Obidiozor   +4 more
doaj   +2 more sources

LEO Multi-Satellite Coordination and Satellite-Ground Coordination Remote Sensing Communication and Computation Integration Technology

open access: yes天地一体化信息网络
Firstly, the current situation of satellite remote sensing, communication, and computing systems was systematically analyzed, and the real-time remote sensing dilemma existing in the traditional satellite remote sensing systems and the satellite remote ...
Zhongyuan JIANG   +8 more
doaj   +2 more sources

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