Sh. Chen et Sk. Jeng, AN SBR IMAGE APPROACH FOR INDOOR RADIO PROPAGATION IN A CORRIDOR, IEICE transactions on electronics, E78C(8), 1995, pp. 1058-1062
In this paper we will propose a deterministic approach to model the ra
dio propagation channels in complex indoor environments. This techniqu
e applies the SBR method to find equivalent sources (images) in each l
aunched ray tube, and sums the receiving amplitude contributed by all
images coherently. We verify our SBR/image approach by comparing the n
umerical results in two canonical examples where closed-form solutions
exist. The good agreement indicates that our method can provide a goo
d approximation of high frequency radio propagation inside corridors w
here reflection is dominant. In the special case of a curved corridor,
which can not be solved by analytic methods, we find a ''focusing'' e
ffect that at some certain point the receiver will receive high power,
even though it is out of sight. This SBR/image method can be enhanced
by including the wall penetration and wedge diffraction effects, and
even more complicated indoor environments will be tackles in the near
future.