Distributed Orbit Determination for Global Navigation Satellite System with Inter-Satellite Link [PDF]
Sensors, 2019 To keep the global navigation satellite system functional during extreme conditions, it is a trend to employ autonomous navigation technology with inter-satellite link.
Yuanlan Wen +4 more
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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
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A New Measurement Method for BDS Inter-Satellite Link Based on Co-Frequency Co-Time Full Duplex System [PDF]
SensorsTo meet the urgent need for high-precision ranging and large-capacity transmission in the current BeiDou-3 inter-satellite link system, this paper proposes a novel two-way measurement method based on Co-frequency Co-time Full Duplex (CCFD) system.
Hao Feng +6 more
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Test Method for Single Satellite’s Inter-Satellite Link Pointing and Tracking via Ground Station
AerospaceAn 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 +3 more sources
Unidirectional Orbit Determination for Extended Users Based on Navigation Ka-Band Inter-Satellite Links [PDF]
SensorsTraditional spacecraft orbit determination primarily employs two methodologies: ground station/survey ship-based orbit determination and global navigation satellite system (GNSS)-based orbit determination.
Yong Shangguan +6 more
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The Availability of Space Service for Inter-Satellite Links in Navigation Constellations [PDF]
Sensors, 2016 Global navigation satellite systems (GNSS) are widely used in low Earth orbit (LEO) satellite navigation; however, their availability is poor for users in medium Earth orbits (MEO), and high Earth orbits (HEO).
Yinyin Tang, Yueke Wang, Jianyun Chen
doaj +3 more sources
Rapid convergent ant colony algorithm for satellite network topology generation [PDF]
Jisuanji 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
Acquisition Time in Laser Inter-Satellite Link Under Satellite Vibrations
IEEE 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 +1 more source
Open 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
Relativistic Time Transfer for Inter-satellite Links [PDF]
Frontiers 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