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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

Reservoir computing-based signal compensation for laser inter-satellite communications [PDF]

open access: yesScientific Reports
We introduce the reservoir computing (RC) concept into the laser processing unit for the scenario of the inter-satellite communication to mitigate the impacts from the multi-distortion sources, enabling significantly improving the quality of the coherent
Feng Wen   +3 more
doaj   +2 more sources

Analysis and suggestions on inter-satellite laser communication of satellite Internet

open access: yesDianxin kexue
Satellite communication and terrestrial mobile communication have strong complemented co-benefits.Satellite Internet is the hot spot supporting current industrial development and an important part of the future 6G network.Global coverage requires ...
Shanzhi CHEN   +3 more
doaj   +3 more sources

Angle of Arrival for the Beam Detection Method of Spatially Distributed Sensor Array [PDF]

open access: yesSensors
Laser space networks are an important development direction for inter-satellite communication. Detecting the angle of arrival (AOA) of multiple satellites in a wide field of view (FOV) is the key to realize inter-satellite laser communication networking.
Shan Zhao   +6 more
doaj   +2 more sources

Beam Scanning and Capture of Micro Laser Communication Terminal Based on MEMS Micromirrors

open access: yesMicromachines, 2023
With the development of space laser communication and the planned deployment of satellite Internet constellations, there is a growing demand for microminiature laser communication terminals.
Xuan Wang   +9 more
doaj   +1 more source

Modeling and simulation analysis of Starlink constellation communication [PDF]

open access: yesZhihui kongzhi yu fangzhen, 2023
Starlink is the only giant constellation in low Earth orbit currently being rapidly deployed. This paper analyzes the advantages and characteristics of low orbit satellite communication and summarizes Starlink construction and system architecture.
LI Yuanlong, LI Zhiqiang
doaj   +1 more source

Thermal Deformation Stability Optimization Design and Experiment of the Satellite Bus to Control the Laser Communication Load’s Acquisition Time

open access: yesApplied Sciences, 2023
The optical axis angle fluctuation due to thermal deformation of the satellite bus between the laser communication load and the star sensor must be constrained to within 0.16 mrad to meet the rapid acquisition needs of the laser communication satellite ...
Yousheng Shi   +5 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

Satellite Quantum Communication via the Alphasat Laser Communication Terminal

open access: yesCoRR, 2015
By harnessing quantum effects, we nowadays can use encryption that is in principle proven to withstand any conceivable attack. These fascinating quantum features have been implemented in metropolitan quantum networks around the world. In order to interconnect such networks over long distances, optical satellite communication is the method of choice ...
Dominique Elser   +14 more
openaire   +2 more sources

Spaceborne Optical Switching Technology for Satellite Internet

open access: yes天地一体化信息网络, 2022
With the increasing demands for ultra-high speed and large-capacity information transmission such as satellite remote sensing, big data super computing center, video battlefield and 6G mobile communication.The satellite laser communication technology ...
Jiacheng MENG   +7 more
doaj   +2 more sources

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