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Delivery delay analysis for roadside unit deployment in intermittently connected VANETs

机译：间歇连接的VANET中路边单元部署的交付延迟分析

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摘要

This paper analyzes the information delivery delay for roadside unit deployment in an intermittently connected vehicular network. An analytical model is developed to describe the relationship between the average information delivery delay and the distance between two neighbor RSUs deployed along a road. The derived model considers a straight highway scenario where two RSUs are deployed at a distance without any direct connection and vehicles are sparsely distributed on the road with road condition information randomly generated between the two neighbor RSUs. Moreover, the model takes into account the vehicle speed, the vehicle density, the likelihood of an incident, and the distance between two RSUs. The effectiveness of the derived analytical model is verified through simulation results. Given the delay requirement of some time-critical applications, this model can be used to estimate the maximum distance allowed between two neighbor RSUs, which can provide a reference basis for the deployment of RSUs in such scenarios.
机译：本文分析了间歇连接的车辆网络中路边单元部署的信息传递延迟。建立了一个分析模型来描述平均信息传递延迟与沿道路部署的两个相邻RSU之间的距离之间的关系。导出的模型考虑了一条直的高速公路场景，其中两个RSU在没有任何直接连接的情况下以一定距离部署，并且车辆稀疏地分布在道路上，并且在两个相邻RSU之间随机生成路况信息。此外，该模型考虑了车速，车密度，事件的可能性以及两个RSU之间的距离。通过仿真结果验证了导出分析模型的有效性。给定某些对时间要求严格的应用程序的延迟要求，可以使用此模型来估计两个相邻RSU之间允许的最大距离，这可以为在这种情况下部署RSU提供参考依据。

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