Derives closed-form BCRB for rain rate from LEO OFDM signals, showing multi-link fusion lowers RMSE bound to ~0.07 mm/h at 20 mm/h rain, and introduces weather-adaptive pilot allocation with three regimes plus sensing-optimal elevation at 15°.
A Cram ´er–Rao based study of 2-D fields retrieval by measurements from a random sensor network
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Rain Rate Estimation Bounds and Weather-Adaptive Pilot Allocation for LEO Satellite ISAC
Derives closed-form BCRB for rain rate from LEO OFDM signals, showing multi-link fusion lowers RMSE bound to ~0.07 mm/h at 20 mm/h rain, and introduces weather-adaptive pilot allocation with three regimes plus sensing-optimal elevation at 15°.