A14.1 Power control in the interfering link

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Last updated: Oct 16, 2017
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A power control feature is implemented within SEAMCAT for the interfering link (see example in Section ‎4.9). When this feature is activated, this introduces a power control gain for the interefering link transmitter, defined as:

               (Eq. 184)

where:  

  •              : power supplied to the ILT antenna (before power control);
  •            : ILT antenna gain in the direction of the ILR;
  •          : ILR antenna gain in the direction of the ILT;
  •          : path loss between the ILT and the ILR;
  •        : power control receiver threshold, if the received power is lower than this threshold, then no power control takes place (dBm);
  •               : power control dynamic range (dB);
  •              : steps of power control (dB).

The power received in the interfering link receiver results in:

                               (Eq. 185)

It distinguished between 3 cases:

Case 1 - (Received power below power threshold):           

                                                                       

Case (i+1) - (within power control limits):                                                                   

where i is an integer ranging from 1 to 

Case (n_step +2) - (beyond power control limits):           

                                                                       Â