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An experimental study of reliable wireless communications in vehicles

机译：车载可靠无线通信的实验研究

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摘要

Recent works on enhancing comfortability and convenience in vehicles reveal that information collections by various wireless sensor nodes have the potential due to their easiness of install and their small size. However, the conventional wireless network standards achieve insufficient reliability for practical in-vehicle communications. In this paper, through implementing 2.4GHz devices in an actual vehicle with crews in the cabin. Based on the results, we propose a method to provide reliable multi-hop communications in a vehicle using overhearing. In the proposed method, the neighbor nodes overhear a packet sent from a source node. If the destination node does not receive the packet, neighbor nodes send the overheard packet as proxies of the source node. We evaluate the performance of the proposed method by computer simulation and experimental implementation. One of the results shows that the proposed method achieves 99.9% packet arrival ratio within 20ms.
机译：关于提高车辆的舒适性和便利性的最新工作表明，由于安装简便且体积小，各种无线传感器节点收集信息的潜力很大。然而，常规的无线网络标准对于实际的车载通信实现了不足的可靠性。在本文中，通过在有乘员组的实际车辆中实现2.4GHz设备。基于结果，我们提出了一种利用偷听在车辆中提供可靠的多跳通信的方法。在提出的方法中，邻居节点偷听从源节点发送的数据包。如果目的节点未接收到数据包，则邻居节点将窃听的数据包作为源节点的代理发送。我们通过计算机仿真和实验实现来评估所提出方法的性能。结果之一表明，该方法在20ms内可达到99.9％的分组到达率。

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