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Design and Implementation of NS3-Based Simulation System of LEO Satellite Constellation for IoTs

机译:基于NS3的Leo卫星星座仿真系统的设计与实现IOTS

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LEO satellite constellation-based IoT is a novel direction, providing an optimal solution for terrestrial IoT system. LEO satellite communication has advantages of low propagation delay, small propagation loss and global coverage. Existing IoT technology is not suitable for satellite IoT scenarios, this paper will introduce a novel protocol design for LEO satellite constellation-based IoT. We adopt the technology of spread spectrum Aloha in reverse link to reduces the complexity of the protocol, design channel mapping for the limit wireless resource, simplify the procedure of authentication and random access for the purpose of reducing signaling interactions. The protocol will be described in the aspects of network architecture, radio protocol stack architecture, and random access procedure. In addition, we have implement a basically available simulation platform based on NS3 for research the protocol design.
机译:基于LEO卫星星座的IOT是一种新颖的方向,为地面IOT系统提供了最佳解决方案。 Leo卫星通信具有低传播延迟,传播损耗小和全球覆盖率的优点。现有物联网技术不适合卫星IOT方案,本文将为基于Leo卫星星座的IOT引入新颖的协议设计。我们采用反向链路的扩频Aloha技术,降低了协议的复杂性,限制无线资源的设计信道映射,简化了认证和随机访问的过程,以减少信令交互。该协议将在网络架构,无线电协议堆栈架构和随机访问过程的方面描述。此外,我们还基于NS3实现了基本上可用的仿真平台,用于研究协议设计。

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