Energy Harvesting in LoRaWAN for Space Communication

Ethics Certificate Number: 2024FEBEFREC-STD-35This research investigates the enhancement of LoRa-based Internet of Things (IoT) systems for Direct-to-Satellite (DtS) communication, addressing the limitations of terrestrial LoRa networks, particularly in remote and infrastructure-constrained areas. The study focuses on developing a novel Ambient Energy Management (AEM) system to enable energy harvesting, crucial for powering LoRa IoT devices in this demanding environment. It explores the interplay between duty cycle, signal design, and energy harvesting techniques to optimize energy efficiency. The primary aim is to extend system lifespan and broaden the applicability of LoRa IoT in global coverage scenarios, while adhering to regional regulatory standards such as those set by ICASA. This work contributes to the field by introducing innovative algorithms and insights into managing harvested energy for satellite communication, ultimately fostering the development of energy-autonomous IoT systems.<br>

伦理审查证书编号：2024FEBEFREC-STD-35。本研究针对面向直连卫星（Direct-to-Satellite, DtS）通信的基于LoRa的物联网（IoT）系统优化展开研究，旨在解决地面LoRa网络的局限性，尤其是在偏远及基础设施匮乏地区的应用短板。本研究聚焦于开发一款新型环境能量管理（Ambient Energy Management, AEM）系统以实现能量收集，该技术对于在该严苛环境下为LoRa IoT设备供电至关重要。研究探讨了占空比、信号设计与能量收集技术之间的协同作用，以优化能源利用效率。本研究的核心目标在于延长系统使用寿命，拓展LoRa物联网在全球覆盖场景中的应用范围，同时严格遵循南非独立通信管理局（ICASA）等区域监管标准。本研究通过提出面向卫星通信的能量收集管理创新算法与相关理论见解，为该领域贡献了新的研究视角，最终推动能量自主型物联网系统的发展。