Survey On Opportunistic PNT With Signals From LEO Communication Satellites

W Stock, RT Schwarz, CA Hofmann… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
Positioning, Navigation, and Timing (PNT) is an essential service for modern societies, their
industries, and governmental organizations. Mobility, logistics, and agriculture, among …

Joint Doppler and azimuth DOA tracking for positioning with Iridium LEO satellites

S Shahcheraghi, FN Gourabi, M Neinavaie… - Proceedings of the 36th …, 2023 - ion.org
A receiver capable of estimating the Doppler and azimuth direction-of-arrival (DOA) of
Iridium NEXT low Earth orbit (LEO) signals of opportunity (SOPs) is presented. The …

[PDF][PDF] A software defined radio based method for accurate frequency estimation for space domain awareness in real-time

EGW Peters, T Bateman, R Saleem… - … Maui Optical and …, 2022 - researchgate.net
We present our proposed software defined radio (SDR) algorithm that can estimate Doppler
frequency measurements for space domain awareness purposes in real-time. We present …

[PDF][PDF] Formation flying and change detection for the UNSW canberra space 'm2'low earth orbit formation flying cubesat mission

M Brown, R Boyce, A Lambert… - … Maui Optical and …, 2022 - researchgate.net
ABSTRACT The University of New South Wales, Canberra (UNSW Canberra) embarked on
an ambitious CubeSatellite research, development, and education program in 2017 through …

[PDF][PDF] Space based space surveillance using passive radio frequency observations–A feasibility study

EG Peters, T Bateman, R Saleem… - … Maui Optical and …, 2023 - unsworks.unsw.edu.au
Space-based space surveillance (SBSS) is a growing area of interest, and an obvious way
to extend the coverage of parts of the sky and Earth's orbits that are not visible from …

[PDF][PDF] Wide Band Passive RF data Aggregation and Frequency Estimation for Space Domain Awareness Purposes

T Bateman, E Peters, R Saleem… - … Maui Optical and …, 2023 - unsworks.unsw.edu.au
The number of satellites in low earth orbit (LEO) is expanding at the fastest rate in human
history. Current and planned LEO constellations look set to introduce up to 50 000 satellites …

[PDF][PDF] An Effective Machine Learning Approach to Detect Satellite Signals in Passive RF Space Domain Awareness Data

K Tripathi, T Bessell, TQ Wang, T Spitzer - 2022 - amostech.com
ABSTRACT An increase in Resident Space Objects (RSOs) requires improved custody
through tracking and space object characterisation. A technology that can assist with this is …