Results 31 to 40 of about 3,586,525 (243)

Cooperative Beam Association and Power Allocation in UD-LEO Satellite Communication Networks: A Spectrum Sharing Manner

open access: yes, 2022
In recent years, the ultra-dense low Earth orbit (LEO) satellite communication (UD-LSC) networks such as SpaceX and OneWeb are under rapid development to provide worldwide and broadband services.
Jianfei Tong   +4 more
core   +1 more source

Quantum Key Distribution Over Double-Layer Quantum Satellite Networks

open access: yesIEEE Access, 2020
Quantum key distribution (QKD) has attracted much attention on secure communications across global networks. QKD over satellite networks can overcome the limitations of terrestrial optical networks, such as large attenuation over long distance fiber ...
Donghai Huang   +6 more
doaj   +1 more source

Topology Abstraction-Based Routing Scheme for Secret-Key Provisioning in Hybrid GEO/LEO Quantum Satellite Networks

open access: yesEntropy, 2023
Quantum key distribution (QKD) is a promising technique to resist the threat against quantum computers. However, the high loss of quantum signals over a long-distance optical fiber is an obstacle for QKD in the intercontinental domain.
Mingxuan Guo   +9 more
doaj   +1 more source

Service-Oriented Resource Allocation in SDN Enabled LEO Satellite Networks

open access: yes, 2023
As an integral component of space-air-ground integrated networks (SAGINs), the low Earth orbit (LEO) satellite networks have displayed immense potential in providing ubiquitous connectivity and broadband mobile communication.
Yin, Zhisheng   +7 more
core   +1 more source

A Modified Regular Perturbation Model for the Single-Span Fiber Transmission Using Learnable Methods

open access: yesPhotonics
In fiber optic communication systems, the dispersion and nonlinear interaction of optical signals are critical to modeling fiber optic communication, and the regular perturbation (RP) model is a simplified modeling method composed of parallel branches ...
Shuhong He   +11 more
doaj   +1 more source

An Efficient Location-Based Forwarding Strategy for Named Data Networking and LEO Satellite Communications

open access: yesFuture Internet, 2022
Low Earth orbit (LEO) satellite constellations are increasingly gaining attention as future global Internet providers. At the same time, named data networking (NDN) is a new data-centric architecture that has been recently proposed to replace the classic
Pablo Iglesias-Sanuy   +5 more
doaj   +1 more source

DNNs Based Computation Offloading for LEO Satellite Edge Computing

open access: yes, 2022
Huge low earth orbit (LEO) satellite networks can achieve global coverage with low latency. In addition, mobile edge computing (MEC) servers can be mounted on LEO satellites to provide computing offloading services for users in remote areas. A multi-user
Jian Wu, Liang Zhang, Min Jia, Qing Guo
core   +1 more source

ns-3-leo: Evaluation Tool for Satellite Swarm Communication Protocols

open access: yesIEEE Access, 2022
We present ns-3-leo, a module for the discrete event network simulator ns-3, which includes models for the network mobility and link characteristics of Low Earth Orbit (LEO) satellite mega-constellations.
Tim Schubert, Lars Wolf, Ulf Kulau
doaj   +1 more source

Overview of LEO satellite networking communication technology for direct-to-phone connectivity

open access: yesZhongguo kongjian kexue jishu
To overcome the limitations of traditional terrestrial communication coverage and establish seamless, all-time, all-domain connectivity capabilities through direct-to-phone connection of integrated space-ground services, this study conducts a systematic ...
LI Jingling   +8 more
doaj   +1 more source

On call admission control and handover management in multimedia LEO satellite systems

open access: yes, 2013
11 S.Low earth orbit (LEO) satellite systems gained considerable interest in the past decade and were expected to be instrumental in future telecommunications systems.
Pavlidou, Fotini-Niovi   +2 more
core   +1 more source

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