CubeSat星座联盟:一个改变游戏规则的范例,实现空中增强的IoT服务
Opportunistic Federation of CubeSat Constellations: a Game-Changing Paradigm Enabling Enhanced IoT Services in the Sky
摘要:
空间物联网(IoST)是一个具有挑战性的范例,目前吸引了科学界和工业界的极大兴趣。IoST基于将空间部分整合到全球物联网(IoT)基础设施中。在相关文献中,通常会提到多个超小型卫星平台星座,用于在全球范围内提供物联网服务,其中也包括条件不利和基础设施薄弱的地区。在本文中,我们专注于多租户物联网场景,其中多个CubeSats星座通过利用动态联盟模型来提供服务。目标是通过利用最初为陆地物联网网络设计的有效合作策略,即移动物联网联邦即服务(MIFaaS)范式,在IoST场景中有效地提供服务。我们将这一愿景扩展到物联网卫星网络,以允许卫星星座通过与其他CubeSats星座的紧密合作行为有效地执行任务。所报告的性能评估研究表明,通过实施拟议的合作模式,就成功完成任务的百分比而言,可以实现更好的业绩。
英文摘要:
Internet of Space Things (IoST) is a challenging paradigm, which is currently attracting great interest from the scientific and industrial communities. IoST is based on the integration of the space segment into the global Internet of Things (IoT) infrastructure. In the relevant literature, reference is generally made to multiple constellations of nanosatellite platforms, used to enable IoT services on a global scale, including also disadvantaged and poorly infrastructured areas. In this paper, we focus on multi-tenant IoT scenarios, wherein multiple CubeSats constellations are enabled to offer services by exploiting a dynamic federation model. The objective is to efficiently provide services in an IoST scenario by leveraging an effective cooperation strategy originally designed for terrestrial IoT networks, the Mobile-IoT-Federation-as-a-Service (MIFaaS) paradigm. We extend this vision to IoT satellite networks in order to allow a constellation of satellites to effectively execute tasks through a tight cooperative behaviour with other CubeSats constellations. The reported performance evaluation studies show that better performance, in terms of percentage of tasks successfully completed, can be achieved through the implementation of the proposed cooperation paradigm.
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