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This paper presents a power-efficient telemetry synchronization and channel coding implementation for the ICUBE-Q CubeSat, a science payload for the Chang’e-6 lunar exploration mission. The synchronization and channel coding scheme of ICUBE-Q adheres to the CCSDS standard for ASM and concatenated coding. It’s implemented on a hybrid hardware platform, based on MCU and FPGA, and the system design aspects are discussed from both hardware and software perspectives. A CubeSat ground test system is also implemented, utilizing software defined radio, to demodulate and decode ICUBE-Q transceiver telemetry signal using USRP B210 and GNU Radio. Test results indicate that the hybrid hardware platform operates correctly and performs well, achieving a telemetry BER of less than \(1\times 10^{-5}\) at an SNR of 3.5 dB. The power consumption is \(0.1-0.25\) W for the MCU and an average of 10 W for the transceiver, demonstrating the power efficiency of the system.

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A Power-Efficient Implementation of Telemetry Synchronization and Channel Coding for ICUBE-Q CubeSat

  • 会议论文

  • 发表日期：

    2025年

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  • Xuelin Li,
  • Qiankun Mo

摘要

This paper presents a power-efficient telemetry synchronization and channel coding implementation for the ICUBE-Q CubeSat, a science payload for the Chang’e-6 lunar exploration mission. The synchronization and channel coding scheme of ICUBE-Q adheres to the CCSDS standard for ASM and concatenated coding. It’s implemented on a hybrid hardware platform, based on MCU and FPGA, and the system design aspects are discussed from both hardware and software perspectives. A CubeSat ground test system is also implemented, utilizing software defined radio, to demodulate and decode ICUBE-Q transceiver telemetry signal using USRP B210 and GNU Radio. Test results indicate that the hybrid hardware platform operates correctly and performs well, achieving a telemetry BER of less than \(1\times 10^{-5}\) at an SNR of 3.5 dB. The power consumption is \(0.1-0.25\) W for the MCU and an average of 10 W for the transceiver, demonstrating the power efficiency of the system.