Research on Key Technologies of Terminals for Electric Power Satellite IoT Private Network System
DOI:
https://doi.org/10.18486/ijcsnt/14.2.009Keywords:
Satellite IoT, Low power consumption, Low Demodulation Threshold, Anti-interference coding, GEO satelliteAbstract
To address the monitoring requirements of transmission lines in areas without public network coverage in Xinjiang, an integrated electric power satellite IoT terminal is developed. Using a GaN power amplifier and a three-level sleep/wake-up mechanism, the operating power consumption is ≤30W, standby is <1W, achieving 94.6% energy saving. Forward link uses QC-LDPC+BPSK, return link uses Turbo+QPSK+12x spreading, achieving a demodulation threshold as low as -17dB, meeting the -12dB target. Simulation verifies an end-to-end delay of 90-115ms, meeting the real-time requirements of electric power services.
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Copyright (c) 2025 Gang Liang, Yongbo Yao, Peng Xie, Xin Wang, Jie Liu, Wei Zhang, Gang Zhao
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