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Hybrid environment-based channel model for vehicular communications

机译：基于混合环境的车辆通信频道模型

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A novel hybrid environment-based approach for modeling the vehicular communication channel is developed in this study. It is a combination of a deterministic ray-launching algorithm (PIROPA) to model the Large-Scale parameters, and a stochastic model, to obtain the Small-Scale parameters. This hybrid channel model is site-dependent, i.e., the propagation parameters of the channel are obtained based on the particular scenario, giving a higher accuracy in modeling the channel than using an abstract representation of the scenario. The use of a stochastic approach also provides the model of a flexibility required for different scenario situations, specially in a dynamic environment like vehicular communications. The simulation results show the significance of the scenario and how the peculiarities of the vehicular communications, i.e., low antenna height and high mobility of the receivers and transmitters, impact on the communication channel. The proposed channel model can be used for different applications, such as anti-collision systems, autonomous driving or video applications.
机译：在本研究中开发了一种用于建模车辆通信信道的新型混合环境的方法。它是模拟大规模参数和随机模型的确定性射线发射算法（Piropa）的组合，以获得小规模参数。该混合信道模型是基于特定场景获得的基于特定场景的信道的传播参数，在模拟通道中的比较方案的比较方案的比例更高。随机方法的使用还提供了不同场景情况所需的灵活性模型，特别是在车辆通信等动态环境中。仿真结果表明了场景的意义以及车辆通信的特点，即，接收器和发射机的低天线高度和高迁移率，对通信信道的影响。所提出的频道模型可用于不同的应用，例如防碰撞系统，自动驾驶或视频应用。

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