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Table 1: Input parameters of ITU-R P.2109-0
Input | Symbol | Unit | Default value | ||||
Frequency |
| GHz | 0.08 to 100 GHz | ||||
Probability with which the loss is not exceeded | \(P\) | - | \(0 < P < 1\) | ||||
Building class | - | - | traditional thermally-efficient | ||||
Elevation angle | \(\theta \) | deg | at the building façade (above horizontal) |
The building entry loss distribution is given by a combination of two lognormal distributions. The building entry loss not exceeded for the probability, P, is given by:
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In Local Environments in the SEAMCAT’s GUI, the user can define the percentage of receiver and transmitter terminals that are indoor (see Figure 1). For those terminals that are indoors, the parameters of the building entry loss can be set by editing the Local Environment as shown in Figure 2. Note that the user can also set the percentage of traditional and thermally efficient buildings.
Figure 1: GUI of Local Environments in SEAMCAT.
Figure 2: GUI of ITU-R P.2109-0 for predicting building entry loss in SEAMCAT.