3-DIMENSIONAL MODELING OF 900-MHZ AND 2.44-GHZ RADIO PROPAGATION IN CORRIDORS

A three-dimensional (3-D) propagation model, combined with a patched-w all model, has been developed to predict radio loss in a corridor envi ronment, The ray-tracing technique is used and combined with the ray-f ixed coordinate system to simplify the computations of transmission, r eflection, and diffraction coefficients in 3-D space, The computed pat h loss is compared with the measured value of 900-MHz and 2.44-GHz rad io propagation along a hallway and gives a reasonable agreement, It is also found that the fields transmitted through the interior walls giv e the major contribution to the received field when the radio path lie s around a corner.