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Performance Analysis of LEO PNT Constellations
2025 IEEE/ION Position, Location and Navigation Symposium (PLANS)Jong-Hoon Won, Young-Jin Song
exaly +2 more sources
Optimal Traffic Load Allocation for Aloha-Based IoT LEO Constellations
IEEE Sensors Journal, 2023The deployment of satellite networks is key to providing global wireless connectivity for the Internet of Things (IoT). In this line, we consider a cluster of IoT devices served by a constellation of low-Earth-orbit (LEO) satellites, while slotted Aloha ...
Felipe Augusto Tondo +5 more
semanticscholar +1 more source
FedHAP: Fast Federated Learning for LEO Constellations using Collaborative HAPs
International Conference on Wireless Communications and Signal Processing, 2022Low Earth Orbit (LEO) satellite constellations have seen a surge in deployment over the past few years by virtue of their ability to provide broadband Internet access as well as to collect vast amounts of Earth observational data that can be utilized to ...
Mohamed Elmahallawy, Tie Luo
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IEEE Transactions on Geoscience and Remote Sensing, 2022
Global ionosphere model with high accuracy and resolution is of great importance for ionospheric research and global navigation satellite system (GNSS) precise positioning applications.
X. Ren +3 more
semanticscholar +1 more source
Global ionosphere model with high accuracy and resolution is of great importance for ionospheric research and global navigation satellite system (GNSS) precise positioning applications.
X. Ren +3 more
semanticscholar +1 more source
An Efficient LEO Global Navigation Constellation Design Based on Walker Constellation
2020 IEEE Computing, Communications and IoT Applications (ComComAp), 2020Compared with medium Earth orbit (MEO) and high Earth orbit (HEO) satellites, low Earth orbit (LEO) satellites have lower cost, smaller power loss and shorter transmission delay, which mean they can be used in many areas like navigation and space-based internet of things (IOT), etc.
Yanbo Wei, Huaijian Li, Xiaojing Du
openaire +1 more source
Journal of Geophysical Research: Space Physics, 2021
Computerized ionospheric tomography (CIT) based on Global Navigation Satellite System (GNSS) data is a worthwhile project. However, predominant issues like unevenly distributed stations, lack of data, and high‐elevation GNSS signals could affect the ...
X. Ren +4 more
semanticscholar +1 more source
Computerized ionospheric tomography (CIT) based on Global Navigation Satellite System (GNSS) data is a worthwhile project. However, predominant issues like unevenly distributed stations, lack of data, and high‐elevation GNSS signals could affect the ...
X. Ren +4 more
semanticscholar +1 more source
Robust Software Defined Multicast in Broadband LEO Constellations
IEEE Transactions on Vehicular TechnologyIn broadband Low Earth Orbit (LEO) satellite networks, efficient video delivery is achieved through multicast techniques, which combine the bandwidth of both the satellite Access Networks and the Backbone Networks, resulting in significant bandwidth ...
Yan Dong +7 more
semanticscholar +1 more source
IEEE Journal on Selected Areas in Communications
Space AI has become increasingly important and sometimes even necessary for government, businesses, and society. An active research topic under this mission is integrating federated learning (FL) with satellite communications (SatCom) so that numerous ...
Mohamed Elmahallawy +2 more
semanticscholar +1 more source
Space AI has become increasingly important and sometimes even necessary for government, businesses, and society. An active research topic under this mission is integrating federated learning (FL) with satellite communications (SatCom) so that numerous ...
Mohamed Elmahallawy +2 more
semanticscholar +1 more source
Obstacle-Aware Multicast Routing Algorithm for Large-Scale LEO Constellations
IEEE Transactions on Network Science and EngineeringThe emergence of large-scale Low Earth Orbit (LEO) satellite networks presents new opportunities for high-quality video distribution. Leveraging advanced multicast technologies, LEO constellations can efficiently utilize satellite access and backbone ...
Liangyuan Wang +6 more
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Navigation Using Doppler Shift From LEO Constellations and INS Data
IEEE Transactions on Aerospace and Electronic Systems, 2020Absolute navigation using the downlink communication signals of massive low Earth orbit (LEO) constellations augmented by data from an inertial navigation system (INS) is considered.
B. McLemore, M. Psiaki
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