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Table 3 Overview of the three different contributions (DL = Distance Loss, CWL = Cumulated Wall Loss, IL = Interaction Loss) to the total path loss PL between eight receiver points and the transmitter in two buildings

From: Coverage prediction and optimization algorithms for indoor environments

Rx Tx DL CWL IL PL Dominant path
point   [dB] [dB] [dB] [dB]  
P T1 Z TA 57.0 0 0 57.0 direct ray
P T3 Z TA 64.1 2.0 0 66.1 direct ray
P T4 Z TA 69.5 4.0 1.9 75.4 through room of P T3 Z
P E Z TB 67.4 8.0 0 75.4 direct ray
P F Z TB 70.0 6.0 3.0 79.0 through corridor and room of P E Z
P T3 V TB 75.2 2.0 17.0 94.2 through corridors along T2 and T3
P T4 V TB 78.7 2.0 17.2 97.9 through corridors along T2, T3, and T4
P T6 V TB 73.8 6.0 15.0 94.8 through corridor along T2, then crossing the inner yard
       then crossing the inner yard