Results 11 to 20 of about 2,861 (209)

Acquisition Time in Laser Inter-Satellite Link Under Satellite Vibrations [PDF]

open access: yesIEEE Photonics Journal, 2023
Pointing, acquisition, and tracking (PAT) is a major technical challenge of laser inter-satellite links (ISLs). For the fast establishment of laser link and the maximization of communication time, it is of importance to minimize the acquisition time ...
Kwanyong Lee, Vuong Mai, Hoon Kim
doaj   +2 more sources

Overview of Space-Based Laser Communication Missions and Payloads: Insights from the Autonomous Laser Inter-Satellite Gigabit Network (ALIGN) [PDF]

open access: yesAerospace
This paper examines the growing adoption of laser communication (lasercom) in space missions and payloads for identifying emerging trends and key technology drivers of future optical communications satellite systems.
Othman I. Younus   +9 more
doaj   +4 more sources

Qualification of Inter-Satellite Link Laser Communication Terminals on CubeSats - CubeISL [PDF]

open access: yes, 2023
Free Space Optical (FSO) communications on the rise to replace classic Radio-Frequency (RF) systems in many sectors of satellite communication. DLR has a long heritage in developing Laser Communication Terminals (LCT’s) for LEO satellites. Major requirement for the design of the terminals is the optical characterization.
Rödiger, Benjamin   +5 more
core   +5 more sources

Method to Measure Light Spot Position in Beacon-Less Inter-Satellite Communication System

open access: yesApplied Sciences, 2019
This article focuses on a beacon-less Inter-satellite optical wireless communication (Is-OWC) system. This system uses the same wavelength for the transmitted and received laser beams and uses part of communication light beam as beacon light instead of ...
Qing Li   +7 more
doaj   +2 more sources

Design of Novel Laser Crosslink Systems Using Nanosatellites in Formation Flying: The VISION

open access: yesAerospace, 2022
With growth in data volume from space missions, interest in laser communications has increased, owing to their importance for high-speed data transfer in the commercial and defense fields, spaceborne remote sensing, and surveillance.
Geuk-Nam Kim   +10 more
doaj   +1 more source

Development Status and Trend of Space Optical Communication Technology

open access: yes天地一体化信息网络, 2022
Based on the laser inter-satellite communication link to realize information transmission between diff erent satellite nodes in satellite constellation, it can solve the problems of slow data rate and limited frequency resources in traditional satellite ...
Shaowen LU   +5 more
doaj   +2 more sources

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

Development concept of inter-satellite laser communication

open access: yesSiberian Aerospace Journal, 2023
The relevance of this research work is dictated, among other things, by the need to ensure higher requirements for the accuracy characteristics of the navigation field created by spacecraft of the GLONASS navigation system in order to meet the high requirements for the accuracy characteristics of navigation determinations over long intervals of ...
openaire   +1 more source

Satellite vibration effects on communication quality of OISN system

open access: yesOpen Engineering, 2022
Over space optical communications are considered as the critical technology for high-bandwidth, high-speed, and large-capacity communications. Indeed, the laser wavelength’s narrow beam divergence requires a precise beam pointing at both ends of the ...
Madhag Aqeel, Dhaam Haidar Zaeer
doaj   +1 more source

Advances and Prospects of Free Space Optical Communication in Space Applications [PDF]

open access: yesعلوم، فناوری و کاربردهای فضایی
This research aims to investigate the emerging technology of free-space optical communication and its applications in the space industry. By employing light beams as information carriers, this technology offers significantly higher bandwidth and enhanced
Javad Haghshenas
doaj   +1 more source

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