TRC-Based High-Precision Spot Position Detection in Inter-Satellite Laser Communication [PDF]
Sensors, 2020 Inter-satellite laser communication (Is-OWC) is one of the main space optical communication technologies currently studied in various countries. In recent years, a kind of Is-OWC communication terminal without independent beacon light has appeared.
Qing Li +7 more
doaj +7 more sources
Modeling and Simulation of Inter-Satellite Laser Communication for Space-Based Gravitational Wave Detection [PDF]
SensorsSpace-based gravitational wave detection uses an equilateral triangular satellite constellation with inter-satellite laser heterodyne interferometry to measure displacement variations caused by gravitational waves.
Haoqian Liang +3 more
doaj +6 more sources
Reservoir computing-based signal compensation for laser inter-satellite communications [PDF]
Scientific ReportsWe 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 +4 more sources
Assignment of hybrid laser and microwave inter-satellite links for navigation satellite systems [PDF]
Scientific ReportsA hybrid network comprising both laser and microwave inter-satellite links (ISLs) has been established within navigation satellite constellations. Leveraging the flexible construction of microwave links and the high ranging accuracy and communication ...
Nan Wang +6 more
doaj +3 more sources
Performance investigation of 160 Gb/s inter-satellite laser communication transmission system based on OFDM and PDM transmission with advanced signal processing techniques [PDF]
Scientific ReportsHigh-capacity inter-satellite laser communication links are essential for global coverage, remote sensing, and deep space missions, but face challenges from path loss, pointing errors, and limited aperture sizes that degrade performance at extended ...
Ammar Armghan +6 more
doaj +2 more sources
Research on thermal control technology for ultra-high-speed inter-satellite laser communication terminal [PDF]
Scientific ReportsThis paper focuses on the thermal control technology of a new generation ultra-high-speed inter-satellite laser communication terminal. The structure of the laser communication terminal, the influence of the satellite platform’s thermal interface, the ...
Shijun Li +3 more
doaj +2 more sources
Research on Positioning Accuracy of Four Quadrant Detector in Inter-satellite Laser Communication
Guangtongxin yanjiu, 2021 In inter-satellite laser communication, four-quadrant detector is often used in precise tracking unit for spot location. The positioning error directly affects the angular measurement accuracy of fine tracking unit.
Shu-de LI +4 more
doaj +2 more sources
An Imaging System with Robust Spot Detection for Space Laser Communication ATP Systems [PDF]
SensorsTo overcome the bandwidth and power limitations of traditional multi-chip architectures in inter-satellite laser communication ATP (Acquisition, Tracking, and Pointing) systems, we propose a highly integrated hardware-software co-design imaging system ...
Zhihong Liu +3 more
doaj +2 more sources
Angle of Arrival for the Beam Detection Method of Spatially Distributed Sensor Array [PDF]
SensorsLaser 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
Analysis and suggestions on inter-satellite laser communication of satellite Internet
Dianxin kexueSatellite 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