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首页> 外文期刊>Vehicular Technology Magazine, IEEE >Vehicular Communications: Survey and Challenges of Channel and Propagation Models
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Vehicular Communications: Survey and Challenges of Channel and Propagation Models

机译：车辆通信：渠道和传播模型的调查和挑战

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摘要

Vehicular communication is characterized by a dynamic environment, high mobility, and comparatively low antenna heights on the communicating entities (vehicles and roadside units). These characteristics make vehicular propagation and channel modeling particularly challenging. In this article, we classify and describe the most relevant vehicular propagation and channel models, with a particular focus on the usability of the models for the evaluation of protocols and applications. We first classify the models based on the propagation mechanisms they employ and their implementation approach. We also classify the models based on the channel properties they implement and pay special attention to the usability of the models, including the complexity of implementation, scalability, and the input requirements (e.g., geographical data input). We also discuss the less-explored aspects in vehicular channel modeling, including modeling specific environments (e.g., tunnels, overpasses, and parking lots) and types of communicating vehicles (e.g., scooters and public transportation vehicles). We conclude by identifying the underresearched aspects of vehicular propagation and channel modeling that require further modeling and measurement studies.
机译：车辆通信的特点是动态环境，高移动性以及通信实体（车辆和路边单元）上的天线高度相对较低。这些特性使车辆传播和通道建模特别具有挑战性。在本文中，我们将对最相关的车辆传播和通道模型进行分类和描述，并特别关注模型在协议和应用程序评估中的可用性。我们首先根据模型采用的传播机制及其实现方法对模型进行分类。我们还将根据模型实现的渠道属性对其进行分类，并特别注意模型的可用性，包括实现的复杂性，可伸缩性和输入要求（例如地理数据输入）。我们还讨论了车辆通道建模中较少探索的方面，包括对特定环境（例如，隧道，立交桥和停车场）和通信车辆（例如，踏板车和公共交通工具）的类型进行建模。通过确定需要进一步建模和测量研究的车辆传播和通道建模方面，我们得出结论。

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