Model-Free Dual-Loop Congestion Control for Leo Satellite Handovers
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Leo Satellite NetworksCongestion ControlNetwork Optimization
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This preprint proposes a model-free, dual-loop supervisory controller that uses only RTT signals to anticipate handovers (~1–2s early) and stabilize latency. It wraps around unmodified BBR v1 and runs in O(1) time (~36 µs per 10 ms cycle).
Single-flow and multi-flow simulations (50k samples per scenario) show reduced p99 latency and improved compliance under Normal/Degraded/Heavy Load LEO conditions.