A7.4 UNWANTED EMISSION NOISE FLOOR

The aforementioned formulas are also applicable to absolute emission floor emission_floor_ILT (dBm) . This emission floor mask can be described by a triplet (frequency offset (MHz), emission floor (dBm), reference bandwidth (MHz)).

Figure 378: illustration of the emission mask and the unwanted emission floor mask

The real emission is bounded by the emission floor by the following equation and illustrated in Figure 377.

  (Eq. 121)

Note that the value of the emission_floor_it is scaled to the VLR bandwidth. This means that assuming a VLR bandwidth of 200 KHz and the value of the Emission mask and Unwanted Emission floor as presented in Figure 378, the following emisssion_it are calculated:

for a f_ILT = 900.3 MHz and f_VLR = 900.0 MHz:

emission_ILT = max (-30 + 5 + 0 , -10)

emission_ILT = -10 dBm;

for a f_ILT = 900.0 MHz and f_VLR = 900.0 MHz:

emission_ILT = max (0 + 5 + 0 , 13)

emission_ILT = 13 dBm;

Figure 379: Resulting power level for the calculation of iRSS