Results 11 to 20 of about 211,018 (292)

Atmospheric influence on a laser beam observed on the OICETS – ARTEMIS communication demonstration link [PDF]

open access: yesAtmospheric Measurement Techniques, 2010
In 2006 bi-directional optical inter-satellite communication experiments were conducted between the Japan Aerospace Exploration Agency (JAXA) Optical Inter-orbit Communications Engineering Test Satellite (OICETS) and the European Space Agency (ESA) multi-
A. Löscher
doaj   +4 more sources

A Community-Based Construct Method for an Inter-Satellite Communication Network of Satellite Swarm

open access: yesEntropy, 2023
An inter-satellite communication network of satellite swarm (ICNS) is created if the members of a satellite swarm communicate with each other via inter-satellite links (ISLs). ICNS can be constructed using the theory of complex networks. A link community
Weicheng Lun, Qun Li, Can Zhang, Zhi Zhu
doaj   +1 more source

Research on LEO Satellite Network Routing Security

open access: yes天地一体化信息网络, 2023
The design of secure mechanisms and failure recovery mechanisms for inter-satellite routing has become pivotal in maintaining dependable communication within the LEO satellite network.To address the potential security threats faced by satellite networks,
Wenhao XUE   +5 more
doaj   +2 more sources

Survey of Inter-satellite Communication for Small Satellite Systems: Physical Layer to Network Layer View [PDF]

open access: yes, 2016
Small satellite systems enable whole new class of missions for navigation, communications, remote sensing and scientific research for both civilian and military purposes.
Afghah, Fatemeh   +5 more
core   +3 more sources

Precoding in multigateway multibeam satellite systems [PDF]

open access: yes, 2016
This paper considers a multigateway multibeam satellite system with multiple feeds per beam. In these systems, each gateway serves a set of beams (cluster) so that the overall data traffic is generated at different geographical areas.
Joroughi, Vahid   +2 more
core   +3 more sources

Research on a routing task planning algorithm for LEO remote sensing constellation

open access: yesDianxin kexue, 2022
In order to solve the problem of poor timeliness of data transmission in remote sensing constellation, the inter-satellite link network and a routing task planning algorithm suitable for inter-satellite network with intermittent burst characteristics was
Xing QI   +4 more
doaj   +2 more sources

Terabyte capacity-enabled (10 x 400 Gbps) Is-OWC system for long-haul communication by incorporating dual polarization quadrature phase shift key and mode division multiplexing scheme.

open access: yesPLoS ONE, 2022
Inter-satellite optical wireless communication (Is-OWC) links can become promising solutions to realize the next-generation high-speed communication services.
Sushank Chaudhary   +5 more
doaj   +2 more sources

Performance Analysis of DPSK Optical Communication for LEO-to-Ground Relay Link Via a GEO Satellite

open access: yesJournal of Astronomy and Space Sciences, 2020
Satellite optical communication has gained significant attention owing to its many quality features (e.g., a larger bandwidth, license free spectrum, higher data rate, and better security) compared to satellite microwave communication.
Hyung-Chul Lim   +5 more
doaj   +1 more source

LEO laser microwave hybrid inter-satellite routing strategy based on modified Q-routing algorithm

open access: yesEURASIP Journal on Wireless Communications and Networking, 2022
Low earth orbit (LEO) satellite communication networks require huge load capacity and information processing speed to carry global communication traffic. Inter-satellite links and the on-board processing are the key technologies to achieve this goal, but
Fei Zheng   +4 more
doaj   +1 more source

Frame Based Precoding in Satellite Communications: A Multicast Approach [PDF]

open access: yes, 2014
In the present work, a multibeam satellite that employs aggressive frequency reuse towards increasing the offered throughput is considered. Focusing on the forward link, the goal is to employ multi-antenna signal processing techniques, namely linear ...
Chatzinotas, Symeon   +2 more
core   +2 more sources

Home - About - Disclaimer - Privacy