Table 1 Link budget parameters--FL
From: Linear and nonlinear techniques for multibeam joint processing in satellite communications
Parameter | Value |
|---|---|
Orbit | GEO |
Frequency band | Ka (20 GHz) |
User link bandwidth | 500 MHz |
Number of beams | 7 |
Beam diameter | 600 Km |
TWTA RF power @ saturation | 130 W |
Frequency reuse factor (conventional scheme) | 4 |
Free space loss | 210 dB |
Receiver noise power N | -118 dBW |
Max satellite antenna gain G T | 52 dBi |
Max user antenna Gain G R | 41.7 dBi |
Downlink free space loss | 210 dB |
Fading margin | 3 dB |
Rain fading mean | -2.6 dB |
Rain fading variance | 1.63 dB |
Receive SNR | 21 dB |