Bulk of the existing Wireless Sensor Network (WSN) nodes are usually battery powered, stationary and mostly designed for short distance communication, with little to no consideration for constrained devices that operate solely on harvested energy. On many occasions, batteries and beefy super-capacitors are used to power these WSN, but these systems are prone to service-life degradation and current-leakages. Most of the systems implementing super capacitors do not account for leakages after exceeding the charge cycle threshold. Frequent battery maintenance and replacement at scale is non-trivial, labor-intensive and challenging task, especially on sensing nodes deployed in extreme harsh environments with limited human intervention. In this paper, we present the technique for achieving Kilometer range communication on batteryless constraint devices by harnessing the capabilities of LoRa technology.

中文翻译：

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无电池设备上的远程通信

大部分现有的无线传感器网络 (WSN) 节点通常是电池供电的、固定的，并且主要设计用于短距离通信，几乎没有考虑仅依靠收集的能量运行的受限设备。在许多情况下，电池和强大的超级电容器用于为这些 WSN 供电，但这些系统容易出现使用寿命下降和电流泄漏。大多数采用超级电容器的系统在超过充电周期阈值后不考虑泄漏。频繁的大规模电池维护和更换是一项艰巨的、劳动密集型且具有挑战性的任务，尤其是在人为干预有限的极端恶劣环境中部署的传感节点上。在本文中，