Modeling of 3D In-Building Propagation by Ray Tracing Technique  

作　　者：Gong Ke Xu Rui(Tsinghua University,Beijing 100084) 

出　　处：《通信学报》1995年第4期19-23,共5页Journal on Communications

摘　　要：Ｍｏｄｅｌｉｎｇｏｆ３ＤＩｎ－ＢｕｉｌｄｉｎｇＰｒｏｐａｇａｔｉｏｎｂｙＲａｙＴｒａｃｉｎｇＴｅｃｈｎｉｑｕｅＧｏｎｇＫｅ；ＸｕＲｕｉ（ＴｓｉｎｇｈｕａＵｎｉｖｅｒｓｉｔｙ，Ｂｅｉｊｉｎｇ１０００８４）Ａｂｓｔｒａｃｔ：Ｔｈｅｍｏｄｅｌｉｎｇｏｆｉｎ...The modeling of in-building propagation is of great importance for planning of indoor wireless networks.To model the transmission systetn comprising of transmitter, receiver and different kinds of obstacles,ray tracing technique is used by taking a transmitter as a source launching radio rays in different directions,some of these can reach the receiver through different paths with different path loss and delay,adding them together gives out the field strength at the receiving point.Based on this model,computer simulation is carried out to predict the propagation loss and delay spread,it is shown that the simulation agrees well with the experiments.

关 键 词：无线通线 院内传播 多路效应模式 射线跟踪 

分 类 号：TN92[电子电信—通信与信息系统]