By analyzing the limitations in the existing 2-D/3-D hybrid model,a modified UTD model combined with the actual characteristics for indoor propagation prediction is presented.

• 分析了现有预测室内电波传播的2-D/3-D混合算法模型的不足,提出一种修正模型,该模型建立在环境的二维对地平面图基础上。