FPGA and ASIC Hardware Architectures for Onboard Demodulation and Decoding

Implementing LDPC and Polar decoders on radiation-tolerant Xilinx Versal and Microchip RTG4 silicon.

技術基盤とシステム制約

Deploying regenerative payload processing in non-terrestrial environments requires solving fundamental physics constraints: path loss over 1000km distances, rapid carrier frequency shifts due to Doppler effects, and power-thermal limits of spaceborne hardware. The architecture provides deterministic mitigation strategies.

実装アーキテクチャとプロトコルフロー

The protocol workflow for regenerative payload processing coordinates physical layer signal acquisition with higher-layer transport resilience. By leveraging open-loop ephemeris calculations and adaptive retransmission timers, communication links maintain uninterrupted throughput across satellite handoffs.

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