comnum.building_penetration_db

comnum.building_penetration_db(model, fc_hz, d2d_in_m)

The outdoor-to-indoor penetration of a building (TR 38.901 eq. (7.4-2), Table 7.4.3-2).

Parameters:

• model (str) – "low", "high" or "low-a".

• fc_hz (float) – the carrier frequency (Hz).

• d2d_in_m (float) – the indoor horizontal distance (m).

Returns:

the mean loss PL_tw + PL_in and the standard deviation sigma_P (dB).

Return type:

tuple[float, float]

Raises:

ValueError – for an unknown model.