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Doppler Shift Distribution in Satellite Constellations
  • Akram Al-Hourani
Akram Al-Hourani

Corresponding Author:[email protected]

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Doppler shift has significant implications in Low Earth Orbit (LEO) constellations due to the rapid relative movement of satellites. This paper presents a novel approach based on stochastic geometry to capture the statistical distribution of Doppler shift in modern mega satellite constellations. We derive a simplified expression for both the Doppler shift s-curve and its maximum value, highlighting the dependency of Doppler shifts on the zenith angle of the closest approach during a satellite pass. Additionally, we present a stochastic model for the distribution of these zenith angles within the random constellation model. Furthermore, the statistical distribution of the Doppler bound is analytically formulated and validated through extensive Monte Carlo simulations of two major satellite constellations currently in orbit.
31 Mar 2024Submitted to TechRxiv
01 Apr 2024Published in TechRxiv