- Channel Model
- fading, pathloss, modulation, uplink, downlink
- Basic setup
- Satellite altitude = 650 km
- communication path distance = 1597.492286 (km)
- EIRP Density = 34.000000 (dBW/MHz)
- center frequency = 2 GHz
- transmit power = 200 mW
- UE_antenna_gain = 0
- Sat_antenna_gain = 30
- Transmit_antenna_gain = 0
- UE_antenna_power = 200.000000 mW
- UE_antenna_power = 52.983174 dBm
- others
- EIRP = -6.989700 (dBW)
- FSPL = 222.539375 (dB)
- Doppler model : -0.000000 (kHz)
- Fading channel model : 3GPP TDL-D
- maximum possible Doppler shift compensation (fd_max) = 1 (kHz)
- Reference CNR: 9.3198 dB
- Uplink
| ElevationAngle(degrees) | CNR(dB) | FSPL(dB) |
|---|---|---|
| 5 | -4.4943 | 166.24 |
| 15 | -1.4878 | 163.23 |
| 30 | 2.0158 | 159.73 |
| 60 | 5.9015 | 155.84 |
| 90 | 7.0198 | 154.73 |
- Downlink
| ElevationAngle(degrees) | Link Margin(dB) | NRep_Add |
|---|---|---|
| 5 | -13.814 | 24 |
| 15 | -10.808 | 12 |
| 30 | -7.304 | 5 |
| 60 | -3.4183 | 2 |
| 90 | -2.3 | 1 |
- Reference CNR: 0.2889 dB
- Uplink
| ElevationAngle(degrees) | CNR(dB) | FSPL(dB) |
|---|---|---|
| 5 | -3.6656 | 166.24 |
| 15 | -0.65901 | 163.23 |
| 30 | 2.8445 | 159.73 |
| 60 | 6.7303 | 155.84 |
| 90 | 7.8485 | 154.73 |
- Downlink
| ElevationAngle(degrees) | Link Margin(dB) | NRep_Add |
|---|---|---|
| 5 | -3.9545 | 2 |
| 15 | -0.9479 | 1 |
| 30 | 2.5556 | 0 |
| 60 | 6.4414 | 0 |
| 90 | 7.5596 | 0 |
- 因為衛星天線屬於射頻晶片（RF），所以採用SNR而非SNR
- SNR是總訊號功率比雜訊。 CNR有用訊號功率比噪音
- Satellite CNR Config:
- TransmitterPower: 22.9832
- TransmitterSystemLoss: 0
- TransmitterAntennaGain: 0
- Distance: 1.5975e+03
- Frequency: 2
- MiscellaneousLoss: 0
- GainToNoiseTemperatureRatio: 1.1000
- ReceiverSystemLoss: 0
- BitRate: 0.0100
- SymbolRate: 10
- Bandwidth: 6
- CN = 22.3637 dB
- TransmitterEIRP: 22.9832
- FSPL: 162.5372
- ReceivedIsotropicPower: -139.5540
- CarrierToNoiseDensityRatio: 90.1452
- ReceivedEbNo: 50.1452
- ReceivedEsNo: 20.1452