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Test Method for Single Satellite’s Inter-Satellite Link Pointing and Tracking via Ground Station

open access: yesAerospace
An inter-satellite link is a key technology that improves control accuracy, transmission efficiency, and autonomous capability of constellations. A satellite’s pointing and tracking abilities mainly determine the inter-satellite link’s performance, which
Zhenqiang Hong   +5 more
doaj   +4 more sources

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

LEO Precise Orbit Determination With Inter-Satellite Links [PDF]

open access: yesRemote Sensing, 2019
Traditional precise orbit determination (POD) for low Earth orbit (LEO) satellites relies on observations from ground stations and onboard receivers. Although the accuracy can reach centimeter level, there are still problems such as insufficient autonomous operation capability.
Xingxing Li, Fujian Ma, Zihao Jiang
exaly   +3 more sources

Precise orbit determination for a large LEO constellation with inter-satellite links and the measurements from different ground networks: a simulation study

open access: yesSatellite Navigation, 2022
Geodetic applications of Low Earth Orbit (LEO) satellites requires accurate satellite orbits. Instead of using onboard Global Navigation Satellite System observations, this contribution treats the LEO satellite constellation independently, using Inter ...
Xingchi He   +4 more
doaj   +2 more sources

Rapid convergent ant colony algorithm for satellite network topology generation [PDF]

open access: yesJisuanji gongcheng, 2019
Aiming at the disadvantages that the ant colony algorithm can slow down the satellite network topology generation and easily fall into the local optimal solution,a new algorithm named SNTG-ACA is proposed,based on the characteristics of satellite network
YANG Li,LIU Yun,WEI Debin,CAI Ruiyan
doaj   +1 more source

High-speed inter-satellite link construction technology for navigation constellation oriented to engineering practice

open access: yesOpen Astronomy, 2022
This article presents a study on the design of high-speed inter-satellite links for the global navigation satellite system, which consists of 24 middle earth orbit, 3 inclined geosynchronous orbit, 3 geostationary orbit satellites, and 4 typical ground ...
Liu Canyou   +5 more
doaj   +1 more source

Research on Semi-Physical Simulation Testing of Inter-Satellite Laser Interference in the China Taiji Space Gravitational Wave Detection Program

open access: yesApplied Sciences, 2021
To guarantee a smooth in-orbit space gravitational wave detection for the Taiji mission, a semi-physical simulation test of inter-satellite laser interference is carried out.
Yikun Wang   +9 more
doaj   +1 more source

Relativistic Time Transfer for Inter-satellite Links [PDF]

open access: yesFrontiers in Astronomy and Space Sciences, 2016
Inter-Satellite links (ISLs) will be an important technique for a global navigation satellite system (GNSS) in the future. Based on the principles of general relativity, the time transfer in an ISL is modeled and the algorithm for onboard computation is described.
Yi eXie, Yi eXie, Yi eXie
openaire   +2 more sources

Link-State Aware Hybrid Routing in the Terrestrial–Satellite Integrated Network

open access: yesSensors, 2022
In this paper, we study data transmission in the Terrestrial–Satellite Integrated Network (TSIN), where terrestrial networks and satellites are combined together to provide seamless global network services for ground users.
Huihui Xu   +5 more
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

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