中文说明：
GBSBEM(几何单反射椭圆模型)可以用来仿真功率－延迟－角度（pda-图）、功率延迟图、时间－角度的联合统计、波达方向的边缘特征和窄带衰落包络。适用于低层系统，包括微小区和微微小区、杂波绕射基站天线、发射机到接收机之间以及发射机和接收机的周围充斥着散射体的情形。由于其适用范围广泛且具有解析性质，揭示了空间无线信道不同特征间的相互联系，是进行研究的理想模型。
English Description：
Gbsbem (geometric single reflection ellipse model) can be used to simulate power delay angle (PDA graph), power delay graph, joint statistics of time angle, edge feature of direction of arrival and narrowband fading envelope. It is suitable for low-level systems, including micro cell and pico cell, base station antenna of clutter diffraction, between transmitter and receiver, and when scatterers are filled around transmitter and receiver. Because of its wide range of applications and analytical properties, it reveals the relationship between different characteristics of space wireless channel, and is an ideal model for research.