Attachment Schedule S DOC 1

This document pretains to SAT-MOD-20100421-00081 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2010042100081_812091

Digital Ku-band link budgets (Table 14 of Technical Appendix) Digital TV Digital TV MCPC 50 Digital TV MCPC MCPC 40 Digital TV Digital TV 1.544 MBPS 40 MBPS QPSK ¾ MBPS SCPC QPSK ¾ SCPC QPSK 56Kbps MBPS 8PSK 2/3 Parameter RS QPSK ¾ RS RS ¾ RS QPSK ¾ RS QPSK 3/4 RS Digital MOD ID A_Ku B_Ku C_Ku D_Ku E_Ku F_Ku G_Ku Carrier designation 36M0G7W 27M0G7W 6M95G1W 5M00G1W 100KG1W 1M60G1W 36M0G7W Throughput rate, Mbps 40 32 8 6 0.0562 1.5440 50 Symbol rate, MHz 28.80 22.88 5.75 4.16 0.04 1.12 27.13 Uplinks: Transmit Power (dBW) 20.00 20.00 8.90 8.90 -5.00 8.00 20.00 Transmit Loss (dB) -1.00 -1.00 -1.00 -1.00 -1.00 -1.00 -1.00 Antenna diameter 6.10 6.10 3.70 3.70 1.80 1.80 6.10 Antenna Gain (dBi) 57.20 57.20 52.85 52.85 46.60 46.60 57.20 Ground Station EIRP (dBW) 76.20 76.20 60.75 60.75 40.60 53.60 76.20 Uplink Rain Loss (dB) -2.00 -2.00 -2.00 -2.00 -2.00 -2.00 -2.00 Free Space Loss (dB) -207.50 -207.50 -207.50 -207.50 -207.50 -207.50 -207.50 Satellite G/T (dB/K) 3.00 3.00 3.00 3.00 3.00 3.00 3.00 Data Rate (dB-Hz) 76.00 75.00 69.00 67.60 47.50 61.89 76.00 Boltzmann’s Constant (dBW/K-Hz) -228.60 -228.60 -228.60 -228.60 -228.60 -228.60 -228.60 Eb/No (dB) 22.30 23.30 13.85 15.25 15.20 13.81 21.31 Eb/Io (dB) 18.00 18.00 16.00 16.00 16.00 16.00 18.00 Total Eb/(No + Io) (dB) For 10-7 16.63 16.88 11.79 12.60 12.57 11.76 16.34 Downlinks: Satellite Carrier EIRP (dBW) 48.70 48.70 35.70 34.30 18.50 28.50 48.70 Downlink Rain Loss (dB) -3.00 -3.00 -3.00 -3.00 -3.00 -3.00 -3.00 Free Space Loss (dB) -206.30 -206.30 -206.30 -206.30 -206.30 -206.30 -206.30 Ground station antenna dia, m 0.90 0.90 2.40 2.40 1.20 2.40 2.40 Ground Station G/T (dB/K) 17.09 17.09 25.61 25.61 19.59 25.61 25.61 Eb/No (dB) 9.09 10.09 11.61 11.61 9.89 11.53 16.62 C/IM 0.00 0.00 18.00 18.00 18.00 18.00 0.00 Eb/IModB) 0.00 0.00 16.59 16.59 16.59 16.59 0.00 C/I(dB) 15.00 15.00 15.00 15.00 15.00 15.00 15.00 Eb/Io(ASI) 13.59 13.59 13.59 13.59 13.59 13.59 12.34 Eb/Io (dB) 13.59 13.59 11.83 11.83 11.83 11.83 12.34 Eb/(No + Io) (dB) 7.78 8.49 8.71 8.71 7.74 8.67 10.97 Total UP/DOWN Eb/(No+Io)(dB) 7.24 7.90 6.97 7.22 6.51 6.93 9.86 Required (dB) 5.40 5.40 5.40 5.40 5.40 5.40 7.20 Margin (dB) 1.84 2.50 1.57 1.82 1.11 1.53 2.66


Document Created: 2010-04-22 12:26:43
Document Modified: 2010-04-22 12:26:43
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