蜂窝物联网中支持d2d的容错

Krzysztof Mateusz Malarski, Kalpit Dilip Ballal, S. Ruepp
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引用次数: 1

摘要

容错是任何可靠系统的基本特征。在蜂窝物联网的背景下,如果要部署关键应用程序,则需要防止故障时通信崩溃的机制。特别是,本文解决了终端设备位于偏远且难以到达的区域,经历附近唯一基站故障的场景。我们提出了一种可靠且轻量级的方案,通过设备到设备的链路来维持连接,该链路由充当中继的外部设备建立。由于直接通信仅在故障发生时发生,因此该解决方案将中继设备的开销降至最低,在我们的建议中,这可以通过受限的硬件实现。我们解释了系统的假设、行为和信号模式。最后,我们讨论了我们的方案的适用性,并提供了实现的注意事项。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
D2D-enabled Failure-tolerance in Cellular IoT
Failure-tolerance is an essential feature of any reliable system. In the context of Cellular IoT, mechanisms preventing the communications collapse at the event of failure are desired, if critical applications are to be deployed. In particular, this paper addresses the scenario, in which the end-devices, located in a remote and hard-to-reach area, experience a failure of the only base station in proximity. We propose a reliable and lightweight scheme that sustains the connectivity by means of a Device-to-Device link, established with a foreign device acting as a relay. Since the direct communications occurs only at the time of the failure, the solution introduces minimised overhead towards the relay device, which in our proposal can be realised by constrained hardware. We explain the assumptions, the behaviour and signalling patterns of the system. Finally, we discuss the applicability of our scheme and provide implementation considerations.
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