Attachment Schedule S document

This document pretains to SAT-MOD-20070529-00075 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2007052900075_570356

Table A-3: EVDO Forward Data Link Budget Satellite and Earth Station Information Uplink Name Las Vegas (6.3 m) Las Vegas (9.3 m) Satellite Longitude (degrees) (- = West) -111.1 -111.1 Downlink Elevation Angle (degrees) 36.10 36.10 Carrier Information Reuse Plan 4 4 Beam Pitch (deg) 0.25 0.25 Number of beams 280 280 Number of CDMA carriers per beam 1 1 Number of users per carrier 1 1 CDMA Carrier Bandwidth (MHz) 1.25 1.25 Information Rate (including overhead) (kbps) 964 964 Modulation QPSK QPSK FEC Code Rate 0.5 0.5 Required Total C/N with Margin (dB) 1.51 1.51 Uplink Uplink Frequency (GHz) 12.88 12.88 Uplink EIRP (on-axis) (dBW) 51.93 55.13 Uplink Atmospheric Loss (dB) 0.11 0.11 Rain Availability (%) 99.99 99.99 Uplink Rain Fade (dB) 3.37 3.37 Uplink Free Space Pathloss (dB) 206.05 206.05 Transponder G/T dBi/K 15.06 15.06 Uplink C/N (dB) 26.22 29.42 C/I adj-channel 23.13 23.13 C/I Crosspole Isolation (including rain depole) (dB) 23.01 23.01 Composite Uplink C/I (dB) 20.06 20.06 Satellite Transponder Power Control Error (dB)-per user 0.50 0.50 Power Control Error (dB)-per uplink 1.00 1.00 Per Carrier Output Backoff (dB) 27.47 27.47 Expected C/IM in Digital Carrier Bandwidth at Satellite (dB) 12.50 12.50 Downlink Downlink Frequency (GHz) 2.19 2.19 Satellite EIRP per carrier (dBW) 72.10 72.10 Downlink Free Space Pathloss (dB) 190.87 190.87 Downlink Atmospheric Loss (dB) 0.06 0.06 Shadowing + Fading (dB) 3.00 3.00 Earth Station On-axis G/T (with downlink rain fade) (dBi/K) -28.00 -28.00 Polarization Loss (dB) 3.00 3.00 Downlink C/N (dB) 15.94 15.94 C/I Intra-Beam (dB) 100.00 100.00 C/I Inter-Beam (dB) 2.16 2.16 C/I adjacent satellite (dB) 100.00 100.00 C/I adj-channel 100.00 100.00 Expected Composite Downlink C/I (dB) 2.16 2.16

Overall Performance Summary Computed Uplink or System Margin (dB) 0.03 0.04 Downlink Margin (dB) 0.76 0.93 Table A-4: EVDO Forward Voice Link Budget Satellite and Earth Station Information Uplink Name Las Vegas (6.3 m) Las Vegas (9.3 m) Satellite Longitude (degrees) (- = West) -111.1 -111.1 Downlink Elevation Angle (degrees) 36.10 36.10 Carrier Information Frequency reuse pattern 4 4 Beam Pitch (deg) 0.25 0.25 Number of beams 280 280 Number of CDMA carriers per beam 2 2 Number of users per carrier 1 1 CDMA carrier bandwidth (MHz) 1.25 1.25 Information Rate (including overhead) (kbps) 304.56 304.56 Activity factor 0.4 0.4 Voice rate (including overhead) (kbps) 5.64 5.64 Number of voice channels per beam 270.00 270.00 Modulation QPSK QPSK FEC code rate 0.2 0.2 Required Total C/N with Margin (dB) -3.53 -3.53 Uplink Uplink frequency (GHz) 12.88 12.88 Uplink EIRP (on-axis) (dBW) 48.92 52.12 Uplink atmospheric Loss (dB) 0.11 0.11 Rain availability (%) 99.99 99.99 Uplink rain fade (dB) 3.37 3.37 Uplink Free Space Pathloss (dB) 206.05 206.05 Transponder G/T dBi/K 15.06 15.06 Uplink C/N (dB) 24.23 27.43 C/I adj-channel (dB) 28.13 28.13 C/I Crosspole Isolation (including rain depole) (dB) 23.01 23.01 Composite Uplink C/I (dB) 21.85 21.85 Satellite Transponder Power Control Error (dB)-per user 0.50 0.50 Power Control Error (dB)-per uplink 1.00 1.00 Per Carrier Output Backoff (dB) 30.48 30.48 Expected C/IM in Digital Carrier Bandwidth at Satellite 12.50 12.50 (dB) Downlink Downlink Frequency (GHz) 2.19 2.19 Satellite EIRP per carrier (dBW) 52.86 52.86 Downlink Free Space Pathloss (dB) 190.87 190.87 Downlink Atmospheric Loss (dB) 0.06 0.06 Shadowing + Fading (dB) 3.00 3.00 Earth Station On-axis G/T (with downlink rain fade) -28.00 -28.00

(dBi/K) Polarization Loss (dB) 3.00 3.00 Downlink C/N (dB) -2.28 -2.28 C/I Intra-Beam (dB) 100.00 100.00 C/I Inter-Beam (dB) 3.19 3.19 C/I adjacent satellite (dB) 100.00 100.00 C/I adj-channel 100.00 100.00 Expected Composite Downlink C/I (dB) 3.19 3.19 Overall Performance Summary Computed Uplink or System Margin (dB) 0.03 0.04 Downlink Margin (dB) 0.04 0.05


Document Created: 2007-05-30 13:31:18
Document Modified: 2007-05-30 13:31:18
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