What question did this study set out to answer?

The research aims to develop a firmware-only technique for reconstructing signal uplink in Starlink systems affected by atmospheric jitter.

April 18, 20260 citationsOpen Access

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Predistortive Reconstruction of the 15µs Atmospheric Jitter: A Sovereign Solution to Starlink Rain Fade

JRJames Herbert Rider

Key Points

The research aims to develop a firmware-only technique for reconstructing signal uplink in Starlink systems affected by atmospheric jitter.
Utilized H(f,t) predistortion for signal reconstruction.
Shifted from reactive AMC fallback to predictive Quantized Field Matching.
Targeted 15µs temporal jitter in phase-array DSP.
Restored phase-coherence during 20dB rain events.
Gained 4-8 dB improvement in signal-to-noise ratio without hardware changes.
Established the atmospheric medium as a deterministic linear transfer function.

Abstract

This record establishes a firmware-only method for the total reconstruction of the uplink manifold via H(f,t) predistortion*, specifically targeting the 15µs temporal jitter inherent in Starlink phase-array DSP. By transitioning from reactive AMC fallback to predictive Quantized Field Matching, the engine restores phase-coherence in 20dB rain events, reclaiming 4-8 dB of SNR without hardware modification. This identifies the atmospheric medium as a deterministic linear transfer function rather than a source of stochastic entropy.

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Predistortive Reconstruction of the 15µs Atmospheric Jitter: A Sovereign Solution to Starlink Rain Fade

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