3 Example of running a simulation
3.1 Setting the scenario
Running a simulation consists essentially in setting the input parameters of the victim and th...
3.2 Calculating the dRSS
3.2.1 Victim link
The victim parameter characteristics summarised in Table 6 should be entered into SEAMCAT. Tabl...
3.2.2 System to be a victim
In order to set up a workspace, the first step is to set the system that will be used as victim: ...
3.2.4 Transmitter
Set now the victim link transmitter by selecting the transmitter tab Figure 74: Selecting the tr...
3.2.5 Positioning the VLT vs VLR
Define now the positions of transmitters and receivers of the victim link. Figure 76: Selecting ...
3.2.6 Selecting the propagation model
Since both the transmitter and the receiver characteristics and the location between the two have...
3.2.7 Calculating the dRSS by hand
Using the Free space equation, the power received by the Victim link receiver (dRSS) can be easil...
3.2.8 Export/import your system to library
When setting the system is complete, it is possible to export it to the library, so it can be reu...
3.2.9 Selecting the victim in the Scenario
Now it’s time to create the victim link. The only thing needed is to select a system to be used a...
3.3 Calculating the iRSS
3.3.0 Objective
3.3.1 Interfering Links
The characteristics of the interefering system summarised in Table 7 should be entered into the S...
3.3.2 System to be an interferer
Contrary to the victim link, is possible to set more than one interfering link in your simulation...
3.3.3 Transmitter
Set now the victim link transmitter by selecting the transmitter tab: the Interefering link tra...
3.3.4 Receiver
For this exercise, the Power Control is not activated, therefore there is no need to fill in any ...
3.3.5 Positioning of the ILT vs ILR
Positioning of the ILT vs ILR is similar to positioning VLT vs VLR as described in Section 3.2.5....
3.3.6 Positioning of the VLR vs ILT
SEAMCAT allows defining the relative location between the Victim link receiver and the Intereferi...
3.3.7 Calculating the iRSS by hand
Figure 91: Illustration of SEAMCAT display (only 1 snapshot) of the various pair of transmitter ...
3.3.8 Emission, reference, VLR bandwidth relationship and bandwidth correction factor
The proposed exercise considers the case where the VLR bandwidth is the same as the emission band...
3.4 Launching a simulation
A simulation is now ready to be launched. It should be noted that prior to beginning the simulati...
3.5 Extract results vectors (dRSS, iRSS etc...)
You can extract the dRSS vectors from the “Results” panel in the newly create workspace results i...
3.6 Calculating the probability of interference
Objective
After the simulation of all events has completed, SEAMCAT will have calculated and ...
3.6.1 Compatibility calculation mode
It is then possible to derive the C/I (i.e. dRSS/iRSS equivalent to dRSS-iRSS in dB): dRSS/iRSS =...
3.6.2 Translation calculation mode
When the Translation mode is chosen, it is possible to calculate and display a chart of the proba...
3.6.3 Example of probability of interference calculation
The protection criteria to be used for the calculation of the probability of interference and the...