卫星辅助中断OMNeT ++中的通信：实验和IoT案例研究
Satellite assisted disrupted communications in OMNeT++: Experiments and IoT Case Study
摘要：
在这项工作中，我们讨论了利用微卫星星座作为有效的基础设施，用于地面站之间的通信，甚至在物联网场景中的“智能”设备之间的通信。我们在OMNeT++（与OS3框架）中设计并实现了一系列实验，并在不同的场景下评估其结果。首先，我们建立必要的理论背景空间通信，包括卫星和星座设计功能，现有的和新的卫星服务在各个领域的利益。此外，我们详细介绍了OMNeT++和OS3框架，并介绍了我们的实验的重要变量/参数。我们的场景分为三组，从简单的一个发送器-一个接收器通信，并继续与多个相邻的地面站发送ping的拓扑结构。最后，我们以一个物联网案例研究为结尾，在该案例研究中，我们从SmartSantander测试台的传感器中导入了真实的测量结果。通过我们的实验，我们观察了仿真参数的影响，如星座设计（例如，卫星和飞机的数量）和卫星间链路的RTT和ping损失，同时我们还强调了它们在中断占主导地位时对网络通信的潜在贡献。
英文摘要：
In this work we discuss the utilization of micro-satellite constellations as effective infrastructures for the communication among ground stations or even among 'smart' devices in IoT scenarios. We design and implement a series of experiments in OMNeT++ (with the OS3 framework) and evaluate their results in different scenarios. Initially, we establish the necessary theoretical background for space communications, including satellite and constellation design features, with existing and novel satellite services in various areas of interest. Furthermore, we detail the OMNeT++ and OS3 frameworks and introduce the significant variables/parameters for our experiments. Our scenarios are presented in three groups, departing from the straightforward one sender - one receiver communication and proceeding with a topology of multiple neighboring ground stations transmitting pings. We conclude with an IoT Case Study in which we import real measurements from sensors of the SmartSantander test-bed. Through our experiments we observe the effect of simulation parameters such as the constellation design (e.g., the number of satellites and planes) and the intersatelliteLinks regarding the produced RTT and ping loss, while we also highlight their potential contribution on networking communications when disruptions dominate.
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