高性能射线跟踪技术在智能交通领域的应用

随着移动通信技术的快速发展和更新换代，各行各业的信息化、智能化日益依赖于无线通信的强有力保障。因此，准确的信道信息、可靠的无线覆盖至关重要。射线跟踪技术面向不同行业的各类通信场景，通过建立有效的三维场景模型，以材料电磁参数、天线参数为基础，依托高性能计算引擎，将光学的射线技术引入电磁计算领域，能够准确地表征反射、散射、绕射、透射等多种电波传播机理及其对无线系统的影响。本文介绍了作者团队自主研发的高性能射线跟踪仿真平台，围绕高性能射线跟踪技术在智能交通领域的应用案例，阐述了射线跟踪技术在轨道交通、水路交通、公路交通等智能交通领域无线网络规划与优化、无线信道建模及信道特性分析等方面的技术优势，以期以自主可控的高性能射线跟踪仿真技术更好地助力我国交通强国战略的实施。

Application of high-performance ray tracing technology in intelligent transportation

With the rapid development and upgrading of mobile communication technologies, the informatization and intelligentization of all walks of life increasingly rely on the strong guarantee of wireless communications. Therefore, accurate channel information and reliable wireless coverage are crucial. Ray tracing technology can be used for various communication scenarios in different industries. By establishing effective three-dimensional environment models, based on the electromagnetic parameters of materials and antenna parameters, and relying on high-performance computing engines, optical ray technologies can be introduced into the field of electromagnetic computing, and can accurately characterize the propagation mechanisms such as reflection, scattering, diffraction, and transmission as well as their impacts on wireless systems. This paper introduces the high-performance ray tracing simulation platform developed by the authors. Focusing on the application cases of the high-performance ray tracing technology in the field of intelligent transportation, it expounds the technical advantages of the ray tracing technology in the field of wireless network planning and optimization, wireless channel modeling and channel characterization in various fields of intelligent transportation, such as railway, water transportation, highway transportation, etc. It is expected that the high-performance ray tracing simulation technology can be better leveraged to enhance the high-quality development of modern transportation.