Link Budget

0577-EX-ST-2019 Text Documents

XTAR LLC

2019-04-04ELS_226888

Sat/Xpndr Beam Connectivity Carrier Data Rate (kbps) Modulation Coding BW (kHz) PEB (kHz) Uplink EIRP (dBW) Avail (%) Margin (dB) LANT/X06A C7-C7 Remote to Hub 4096 QPSK 2D16 438B 2/3 4230 4050 40.6 99.96 3.0 LANT/X06A C7-C7 Hub to Remote 2048 QPSK DVB-S2 1/2 3340 3300 40.8 99.93 3.1 7600 7400

CARRIER / MODEM INFORMATION & LINK PERFORMANCE REQUIREMENTS UPLINK RFT REQUIREMENTS Ckt Ref #: 4272 Modem Make: iDirect Power at HPA Flange: 10.9 dBW 12.24 W Model: Evolution Insertion Loss: 1.0 dB Network: Step Size: 2.5 kHz Power at Antenna Flange: 9.9 dBW 9.72 W Min. Allocated BW: 10 kHz Power Density at Antenna Flange: -55.1 dBW/Hz Information Rate: 4096 kbps EIRP Density: -24.4 dBW/Hz Modulation Type: QPSK Symbol Rate: 3131.5 ksps EIRP per Carrier: 40.6 dBW Code Rate: 4009/6130 2D16 438B 2/3 Noise BW: 3131.5 kHz = 1.00 x SBW Absolute Min. Alloc. BW: 4227.5 kHz = 1.35 x SBW Link Availability: 99.96 % Actual Min. Alloc. BW: 4230.0 kHz = 1.35 x SBW LINK CALCULATION Clear Rain on Rain on RFT INFORMATION Sky U/L D/L Probability of Rain Loss: 0.03 0.00 % Uplink Downlink Uplink: Site Code: GD20-20 Hamilton Earth Station EIRP: A 40.6 dBW Country: USA Canada Atmospheric Loss: C 3.0 dB Latitude: 38.3 43.3 N Power Flux Density: D=A-B-C -122.3 -125.2 dBW/m2 Longitude: 77.47 79.88 W Saturation Flux Density: E -104.8 dBW/m2 ITU Rain Zone: K K Carrier Input Backoff: F=E-D 17.5 20.5 dB Rain Rate: 50.1 39.4 mm/hr Area of Isotropic Antenna: G -39.9 dBm2 Satellite G/T & Saturated EIRP: 7.3 52.1 dB/K & dBW Satellite G/T: H 7.3 dB/K Geographic Advantage: -0.2 -0.7 dB Boltzmann's Constant: I -228.6 C/No: J=F+G+H-I 73.8 70.8 dBHz Azimuth: 119.6 120.0 degrees Noise Bandwidth: K 65.0 dBHz Elevation: 24.1 19.8 degrees C/N: L=J-K 8.8 5.8 dB Slant Range: 39158 39576 km Cross-Pol C/I: M 30.1 27.1 dB A(0.01%): 4.6 3.9 dB Adjacent Satellite C/I: N 30.1 27.1 dB Total C/I: O 27.1 24.1 dB Antenna Diameter: 0.508 9 m Total C/(N+I): P 8.7 5.8 dB HPA & LNA: 51 W&K Downlink: Waveguide Loss: 1 0.8 dB Saturated EIRP: Q 52.1 dBW Antenna Gain: 30.7 55.0 dBi Carrier Output Backoff: R 15.5 18.5 dB Antenna Efficiency: 0.60 0.60 Carrier EIRP: S=Q-R 36.6 33.6 dBW Antenna Noise Temp. @ 20° elev. angle: 40 dB & K Path Spreading Loss: T 162.9 dBm2 Atmospheric Loss: U 8.4 dB Pointing Error Loss: V 0.5 dB SATELLITE INFORMATION Power Flux Density: W=S-T-U-V -126.8 -129.8 -135.3 dBW/m2 Area of Isotropic Antenna: X -39.2 dBm2 Satellite: XTAR-LANT Uplink Downlink Earth Station G/T: Y 33.0 28.9 dB/K Xpdr Number: 6A Beam Coverage: C7 C7 Boltzmann's Constant: I -228.6 Longitude: 30 W Beam Type: Spot C/No: Z=W+X+Y-I 95.5 92.6 83.1 dBHz Actual BW: 72 MHz Center Frequency: 8.35 7.7 GHz Noise Bandwidth: K 65.0 dBHz Polarity: RHCP LHCP C/N: A'=Z-K 30.6 27.6 18.1 dB Total Operating Point: 5.0 3.0 dB Xpdr IM C/I: B' 16.7 13.7 dB D/L EIRP Density G/T & EIRP Reference Contours: 7.5 52.8 dB/K & dBW Cross-Pol C/I: C' 30.1 27.1 dB -27.7 dBW/Hz Xpdr Constant at Gain Setting of 0 dB: -106.5 dBW/m2K Adjacent Satellite C/I: D' 29.6 26.6 dB Gain (Pad) Setting: -9.0 dB TotalC/I: E' 16.3 13.3 dB Effective Xpdr Constant: -97.5 dBW/m2K Total C/(N+I): F' 16.2 13.2 14.1 dB Total Link: C/N: I' 8.8 5.8 8.3 dB SPACE SEGMENT REQUIREMENTS C/I: J' 16.0 13.0 dB C/(N+I): K' 8.0 5.0 7.6 dB BW must be purchased in multiples of: 10 kHz from 72 MHz of useable xpdr BW Noise Bandwidth: K 65.0 dBHz C/(No+Io): L' 73.0 70.0 72.6 dBHz Power: 5.6234% which is 4050.0 kHz referenced to 72.0 MHz useable BW Information Rate: M' 66.1 dBHz Limited by BW: 5.8750% which is 4230.0 kHz referenced to 72.0 MHz useable BW Ebi/(No+Io): N'=L'-M' 6.8 3.9 6.5 dB Link Margin: O' 3.0 0.1 2.7 dB Equivalent: 5.8750% which is 15.3 dB COPBO ref. to 3.0 dB TOPBO Implementation Margin: P' 0.0 dB Power & BW: 4230.0 kHz referenced to 72.0 MHz useable BW Target Ebi/No: Q'=N'-O'-P' 3.8 dB

CARRIER / MODEM INFORMATION & LINK PERFORMANCE REQUIREMENTS UPLINK RFT REQUIREMENTS Ckt Ref #: 4273 Modem Make: iDirect Power at HPA Flange: -12.9 dBW 0.05 W Model: Evolution Insertion Loss: 2.0 dB Network: Step Size: 2.5 kHz Power at Antenna Flange: -14.9 dBW 0.03 W Min. Allocated BW: 10 kHz Power Density at Antenna Flange: -78.9 dBW/Hz Information Rate: 2048 kbps EIRP Density: -23.2 dBW/Hz Modulation Type: QPSK Symbol Rate: 2473.4 ksps EIRP per Carrier: 40.8 dBW Code Rate: 207/500 DVB-S2 1/2 Noise BW: 2473.4 kHz = 1.00 x SBW Absolute Min. Alloc. BW: 3339.1 kHz = 1.35 x SBW Link Availability: 99.93 % Actual Min. Alloc. BW: 3340.0 kHz = 1.35 x SBW LINK CALCULATION Clear Rain on Rain on RFT INFORMATION Sky U/L D/L Probability of Rain Loss: 0.03 0.04 % Uplink Downlink Uplink: Site Code: Hamilton GD20-20 Earth Station EIRP: A 40.8 dBW City: Hamilton, Ontario Fredericksburg, VA Path Spreading Loss: B 162.9 dBm2 Country: Canada USA Atmospheric Loss: C 3.0 dB Latitude: 43.3 38.3 N Power Flux Density: D=A-B-C -122.2 -125.1 dBW/m2 Longitude: 79.88 77.47 W Saturation Flux Density: E -103.8 dBW/m2 ITU Rain Zone: K K Carrier Input Backoff: F=E-D 18.4 21.4 dB Rain Rate: 39.4 50.1 mm/hr Area of Isotropic Antenna: G -39.9 dBm2 Satellite G/T & Saturated EIRP: 6.3 52.7 dB/K & dBW Satellite G/T: H 6.3 dB/K Geographic Advantage: -1.2 -0.1 dB Boltzmann's Constant: I -228.6 C/No: J=F+G+H-I 72.9 69.9 dBHz Azimuth: 120.0 119.6 degrees Noise Bandwidth: K 63.9 dBHz Elevation: 19.8 24.1 degrees C/N: L=J-K 8.9 5.9 dB Slant Range: 39576 39158 km Cross-Pol C/I: M 30.2 27.3 dB A(0.01%): 4.9 3.7 dB Adjacent Satellite C/I: N 30.2 27.3 dB Total C/I: O 27.2 24.3 dB Antenna Diameter: 9 0.508 m Total C/(N+I): P 8.9 5.9 dB HPA & LNA: 50.7 W&K Downlink: Waveguide Loss: 2 0.5 dB Saturated EIRP: Q 52.7 dBW Antenna Gain: 55.7 29.9 dBi Carrier Output Backoff: R 16.4 19.4 dB Antenna Efficiency: 0.60 0.59 Carrier EIRP: S=Q-R 36.3 33.3 dBW Antenna Noise Temp. @ 20° elev. angle: 63 dB & K Path Spreading Loss: T 162.8 dBm2 Atmospheric Loss: U 2.2 dB Pointing Error Loss: V 0.5 dB SATELLITE INFORMATION Power Flux Density: W=S-T-U-V -127.0 -130.0 -129.3 dBW/m2 Area of Isotropic Antenna: X -39.2 dBm2 Satellite: XTAR-LANT Uplink Downlink Earth Station G/T: Y 8.0 5.8 dB/K Xpdr Number: 6A Beam Coverage: C7 C7 Boltzmann's Constant: I -228.6 Longitude: 30 W Beam Type: Spot C/No: Z=W+X+Y-I 70.4 67.4 65.9 dBHz Actual BW: 72 MHz Center Frequency: 8.35 7.7 GHz Noise Bandwidth: K 63.9 dBHz Polarity: RHCP LHCP C/N: A'=Z-K 6.5 3.5 2.0 dB Total Operating Point: 5.0 3.0 dB Xpdr IM C/I: B' 16.8 13.9 dB D/L EIRP Density G/T & EIRP Reference Contours: 7.5 52.8 dB/K & dBW Cross-Pol C/I: C' 30.2 27.3 dB -27.5 dBW/Hz Xpdr Constant at Gain Setting of 0 dB: -106.5 dBW/m2K Adjacent Satellite C/I: D' 19.7 16.8 dB Gain (Pad) Setting: -9.0 dB TotalC/I: E' 14.9 11.9 dB Effective Xpdr Constant: -97.5 dBW/m2K Total C/(N+I): F' 5.9 2.9 1.8 dB Total Link: C/N: I' 4.5 1.5 1.2 dB SPACE SEGMENT REQUIREMENTS C/I: J' 14.7 11.7 dB C/(N+I): K' 4.1 1.1 1.0 dB BW must be purchased in multiples of: 10 kHz from 72 MHz of useable xpdr BW Noise Bandwidth: K 63.9 dBHz C/(No+Io): L' 68.0 65.1 64.9 dBHz Power: 4.5709% which is 3300.0 kHz referenced to 72.0 MHz useable BW Information Rate: M' 63.1 dBHz Limited by BW: 4.6389% which is 3340.0 kHz referenced to 72.0 MHz useable BW Ebi/(No+Io): N'=L'-M' 4.9 1.9 1.8 dB Link Margin: O' 3.1 0.1 0.0 dB Equivalent: 4.6389% which is 16.3 dB COPBO ref. to 3.0 dB TOPBO Implementation Margin: P' 0.0 dB Power & BW: 3340.0 kHz referenced to 72.0 MHz useable BW Target Ebi/No: Q'=N'-O'-P' 1.8 dB


Document Created: 2019-04-02 15:12:41
Document Modified: 2019-04-02 15:12:41
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