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首页> 外文期刊>IEEE Antennas and Wireless Propagation Letters >A Hybrid TDPE/FDTD Method for Site-Specific Modeling of O2I Radio Wave Propagation
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A Hybrid TDPE/FDTD Method for Site-Specific Modeling of O2I Radio Wave Propagation

机译：混合TDPE / FDTD方法用于O2I无线电波传播的特定于站点的建模

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摘要

A hybrid time-domain parabolic equation/finite-difference time-domain (FDTD) method for site-specific modeling of outdoor-to-indoor (O2I) radio wave propagation is presented in this letter. It provides fast three-dimensional deterministic propagation predictions in a mixed environment containing both large-scale outdoor areas and indoor scenarios with specific detailed structures. The proposed hybrid method is evaluated by comparison with the four-ray model, via a canonical single knife edge propagation example. The simulation results, which agree well with each other, are applied to predicting the radio wave propagation in a geo-based O2I scenario on an island. An accurate field strength distribution and impulse response are obtained at a far lower computational cost than with a pure FDTD solution. The method is a perfect choice for applications involving targeted integrated environmental modeling.
机译：本文提出了一种混合时域抛物线方程/有限差分时域（FDTD）方法，用于室外到室内（O2I）无线电波传播的特定位置建模。它在包含大型室外区域和具有特定详细结构的室内场景的混合环境中提供快速的三维确定性传播预测。通过典型的单刀刃传播实例，通过与四射线模型进行比较来评估所提出的混合方法。相互吻合的仿真结果可用于预测岛上基于地理的O2I场景中的无线电波传播。以比使用纯FDTD解决方案低得多的计算成本获得了准确的场强分布和脉冲响应。该方法是涉及目标集成环境建模的应用程序的理想选择。

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