物联网节点与实时LoRa GEO卫星连接,用于在偏远地区跟踪农业食品链
Giacomo Giannetti1, Marco Badii1, Giovanni Lasagni1
1Department of Information Engineering, University of Florence, Via di Santa Marta 3, IT-50139 Florence, Italy.
Sensors (Basel, Switzerland)
|October 29, 2025
概括
本研究介绍了一种低功耗的物联网 (IoT) 节点,用于使用直接与卫星通信进行远程农业食品跟踪. 该设备可从孤立的位置实现可靠的数据传输,为供应链监控提供了可行的解决方案.
科学领域:
- 农业食品供应链管理 供应链管理
- 物联网 (IoT) 的物联网 (IoT) 的物联网.
- 卫星通信 卫星通信
背景情况:
- 偏远地区往往缺乏地面通信基础设施,阻碍实时跟踪.
- 现有的物联网解决方案在地理上孤立的地区的连接方面扎.
- 有效的监测对于农业食品链的完整性和安全性至关重要.
研究的目的:
- 开发和描述一种新的物联网节点,用于偏远地区的低功耗农业食品链跟踪.
- 为了利用直接与卫星的连接来实现可靠的数据传输.
- 评估原型的性能和能源效率.
主要方法:
- 设计了一个物联网节点,集成一个微控制器,传感器和S频段LR-FHSS卫星通信的无线电调制解调器.
- 在无声室中描述了原型的无线电性能,包括最大的EIRP.
- 在固定和移动场景中评估传感器功能 (GPS,加速,温度,湿度,太阳辐射) 和能源消耗.
主要成果:
- 达到27.5dBm的最大有效同位素辐射功率 (EIRP),确保了强大的卫星链接.
- 已证明具有集成传感器的功能,用于环境和位置数据收集.
- 测量平均无线电调制解调器每次传输的能量消耗为356mC,估计可以在单个电池组上传输25,000个数据包.
结论:
- 开发的物联网节点有效地利用直接与卫星通信进行远程农业食品跟踪.
- 该原型为在陆地连接有限的地区收集数据提供了低功耗,可靠的解决方案.
- 这项技术具有显著的潜力,可以在具有挑战性的环境中提高供应链可见性和管理.
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