Attachment Schedule S document

This document pretains to SAT-MOD-20080124-00030 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2008012400030_618838

Table 4 Link budgets for 7 typical Ku-band carriers Digital Digital TV TV MCPC 40 MCPC 40 Digital Digital MBPS MBPS TV SCPC TV SCPC 56Kbps QPSK ¾ QPSK ¾ QPSK ¾ QPSK ¾ QPSK ¾ Parameter RS RS RS RS RS Digital MOD ID A_Ku B_Ku C_Ku D_Ku E_Ku 36M0G7 27M0G7 6M95G1 5M00G1 100KG1 Carrier designation W W W W W Throughput rate, Mbps 40 32 8 6 0.0562 Symbol rate, MHz 28.8 22.9 5.7 4.2 0.0407 Uplinks: Transmit Power (dBW) 20 20 8.9 8.9 -2 Transmit Loss (dB) -1 -1 -1 -1 -1 Antenna diameter 6.1 6.1 3.7 3.7 1.8 Antenna Gain (dBi) 57.2 57.2 52.9 52.9 46.6 Ground Station EIRP (dBW) 76.2 76.2 60.8 60.8 43.6 Uplink Rain Loss (dB) -2 -2 -2 -2 -2 Free Space Loss (dB) -207.5 -207.5 -207.5 -207.5 -207.5 Satellite G/T (dB/K) 3 3 3 3 3 Data Rate (dB-Hz) 76 75 69 67.6 47.5 Boltzmann’s Constant (dBW/K-Hz) -228.6 -228.6 -228.6 -228.6 -228.6 Eb/No (dB) 22.3 23.3 13.9 15.3 18.2 Eb/Io (dB) 18 18 16 16 16 Total Eb/(No + Io) (dB) For 10-7 16.6 16.9 11.8 12.6 14 Downlinks: Satellite Carrier EIRP (dBW) 49.4 49.4 35.7 34.3 18.5 Downlink Rain Loss (dB) -3 -3 -3 -3 -3 Free Space Loss (dB) -206.3 -206.3 -206.3 -206.3 -206.3 Ground station antenna dia, m 0.9 0.9 2.4 2.4 1.2 Ground Station G/T (dB/K) 17.1 17.1 25.6 25.6 19.6 Eb/No (dB) 9.8 10.8 11.6 11.6 9.9 C/IM(dB) 18 18 18 Eb/InterMod, dB 16.6 16.6 16.6 C/I(ASI), dB 15 15 15 15 15 Eb/Io(ASI), dB 13.6 13.6 13.6 13.6 13.6 Eb/Io (dB) 13.6 13.6 11.8 11.8 11.8 Eb/(No + Io) (dB) 8.3 9 8.7 8.7 7.7 Eb/(No+Io) total (dB) 7.7 8.3 7 7.2 6.8

Required(dB) 5.4 5.4 5.4 5.4 5.4 Margin(dB) 2.3 2.9 1.6 1.8 1.4 Table 5 Link budgets for TV/FM in Ku-band Typical TV/FM Parameter link Carrier designation 36M0F3F Uplinks: Transmit Power (dBW) 22 Transmit Loss (dB) -1 Antenna diameter 6.1 Antenna Gain (dBi) 57.2 Ground Station EIRP (dBW) 78.2 Uplink Rain Loss (dB) -2 Free Space Loss (dB) -207.5 Satellite G/T (dB/K) 3 Bandwidth (dB-Hz) 75.6 Boltzmann’s Constant (dBW/K-Hz) -228.6 C/N, uplink(dB) 24.7 Downlinks: Satellite Carrier EIRP (dBW) 49.4 Downlink Rain Loss (dB) -3 Free Space Loss (dB) -206.3 Ground station antenna dia, m 1.2 Ground Station G/T (dB/K) 19.6 C/N, DL (dB) 12.7 C/I ASI (dB) 18 C/Ntot, dB 11.4 Required(dB) 11 Margin(dB) 0.4

Digital TV MCPC 50 1.544 MBPS MBPS 8PSK 2/3 QPSK 3/4 RS F_Ku G_Ku 1M60G1 36M0G7 W W 1.544 50 1.1 27.1 32.55319 8 20 -1 -1 1.8 6.1 46.6 57.2 53.6 76.2 -2 -2 -207.5 -207.5 3 3 61.9 76 -228.6 -228.6 13.8 21.3 16 18 11.8 16.3 28.5 49.4 -3 -3 -206.3 -206.3 2.4 2.4 25.6 25.6 11.5 17.3 18 16.6 15 15 13.6 12.3 11.8 12.3 8.7 11.1 6.9 10

5.4 7.2 1.5 2.8


Document Created: 2008-01-30 13:41:06
Document Modified: 2008-01-30 13:41:06
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