GPU accelerated ray launching for high-fidelity virtual test drives of VANET applications

M. Schiller, A. Knoll, M. Mocker, T. Eibert
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引用次数: 16

Abstract

Due to the complexity of Vehicular Ad Hoc Networks, future driving assistance systems need to be validated through virtual test drives in a simulated environment. An accurate modeling of the vehicle-to-vehicle communication channel is crucial to enable a precise evaluation of such network-aware applications. Since existing ray-based methods cause long computation times, a new parallel GPU-based ray-launching simulation method is presented. The algorithmic improvements allow a high utilization of the GPU computing power, which results in significantly faster simulations while achieving high accuracy. The validation of the simulation results against real-world measurements showed a high level of agreement.
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GPU加速射线发射的高保真虚拟测试驱动VANET应用程序
由于车载自组织网络的复杂性,未来的驾驶辅助系统需要通过模拟环境中的虚拟试驾来验证。车对车通信通道的精确建模对于精确评估此类网络感知应用至关重要。针对现有的射线发射仿真方法计算时间长,提出了一种基于并行gpu的射线发射仿真方法。算法的改进允许GPU计算能力的高利用率,从而在实现高精度的同时显着加快模拟速度。仿真结果与实际测量结果的验证表明了高度的一致性。
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