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Dual-Satellite Alternate Switching Ranging/INS Integrated Navigation Algorithm for Broadband LEO Constellation Independent of Altimeter and Continuous Observation
Published 2021-08-01“…For cases with only two visible satellites, we propose a dual-satellite alternate switching ranging integrated navigation algorithm based on the broadband low earth orbit (LEO) constellation, which integrates communication and navigation (ICN) technology. …”
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Optimizing the Deployment of Ground Tracking Stations for Low Earth Orbit Satellite Constellations Based on Evolutionary Algorithms
Published 2024-02-01Subjects: “…LEO constellation…”
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Seeking Optimal GNSS Radio Occultation Constellations Using Evolutionary Algorithms
Published 2019-03-01Subjects: Get full text
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Research on an LEO Constellation Multi-Aircraft Collaborative Navigation Algorithm Based on a Dual-Way Asynchronous Precision Communication-Time Service Measurement System (DWAPC-TSM)
Published 2022-04-01“…In order to solve the collaborative navigation problems in challenging environments such as insufficient visible satellites, obstacle reflections and multipath errors, and in order to improve the accuracy, usability, and stability of collaborative navigation and positioning, we propose a dual-way asynchronous precision communication–timing–measurement system (DWAPC-TSM) LEO constellation multi-aircraft cooperative navigation and positioning algorithm which gives the principle, algorithm structure, and error analysis of the DWAPC-TSM system. …”
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Optimal Walker Constellation Design of LEO-Based Global Navigation and Augmentation System
Published 2020-06-01Subjects: Get full text
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Real-Time Estimation of Low Earth Orbit (LEO) Satellite Clock Based on Ground Tracking Stations
Published 2020-06-01Subjects: “…LEO constellation…”
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Broadband Connectivity for Handheld Devices via LEO Satellites: Is Distributed Massive MIMO the Answer?
Published 2023-01-01Subjects: Get full text
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Distributed Massive MIMO for LEO Satellite Networks
Published 2022-01-01Subjects: Get full text
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BeiDou Augmented Navigation from Low Earth Orbit Satellites
Published 2019-01-01“…In this contribution, the advantages of navigation from LEO constellation has been investigated and analyzed theoretically. …”
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Optimal Progressive Pitch for OneWeb Constellation with Seamless Coverage
Published 2022-08-01“…From the simulation results, the strategy can avoid harmful interference to the GSO satellite system and ensure the seamless coverage of the LEO constellation, and the satellite transmission capacity is also maximized.…”
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Simulation Experiment and Analysis of GNSS/INS/LEO/5G Integrated Navigation Based on Federated Filtering Algorithm
Published 2022-01-01“…This article examines the positioning effect of integrated navigation after adding an LEO constellation signal source and a 5G ranging signal source in the context of China’s new infrastructure construction. …”
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Satellite Availability and Service Performance Evaluation for Next-Generation GNSS, RNSS and LEO Augmentation Constellation
Published 2021-09-01“…With the augmentation of the 120-satellite mixed-orbit LEO constellation, the multi-GNSS visible satellites will increase by 5 to 8 at all latitudes, while the GDOP will be reduced by 6.2% on average. …”
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Simulation of space-borne tsunami detection using GNSS-Reflectometry applied to tsunamis in the Indian Ocean
Published 2010-06-01“…The detection performance of various LEO constellation scenarios with GPS, GLONASS and Galileo as signal sources is investigated. …”
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Three Satellites Dynamic Switching Range Integrated Navigation and Positioning Algorithm with Clock Bias Cancellation and Altimeter Assistance
Published 2023-04-01“…Next, based on the broadband LEO constellation, we give an integrated navigation and positioning scheme with the assistance of both a clock bias elimination system and an altimeter. …”
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Three Satellites Dynamic Switching Range Integrated Navigation and Positioning Algorithm with Clock Bias Cancellation and Altimeter Assistance
Published 2023-04-01“…Next, based on the broadband LEO constellation, we give an integrated navigation and positioning scheme with the assistance of both a clock bias elimination system and an altimeter. …”
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When LEO Mega-Constellations Meet New Radio: A Holistic Performance Evaluation Framework
Published 2023-01-01“…It can be observed that the achieved area traffic capacity of the reference LEO constellation with 1800 satellites is less than 4 Kbps/km2. …”
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GICS, a new concept to enhance in-flight safety and security of commercial aviation
Published 2019-01-01“…This paper presents a new concept of aircraft tracking based on a LEO constellation of small satellites, each of them carrying receiving and transmitting devices in order to check the integrity of the ADS-B (Automatic Dependent Surveillance - Broadcast) positioning information and proceed with a non-cooperative independent localization of the aircraft, if a flight anomaly comes out. …”
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