Attachment Schedule S document

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

IBFS_SATMOD2007052900075_570355

Table A-17: Modified Wimax Return Link Data Budget Satellite and Earth Station Information Downlink Name Las Vegas, (6.3 m) Las Vegas, (9.3 m) Satellite Longitude (degrees) (- = West) -111.1 -111.1 Uplink Elevation Angle (degrees) 36.1 36.1 Carrier Information Frequency reuse 4.0 4.0 Code reuse 3.0 3.0 Beam Pitch (deg) 0.3 0.3 Number of beams 280.0 280.0 Number of bins per beam 16.0 16.0 Number of data subcarriers per bin 3.0 3.0 Number of pilots per bin 1.0 1.0 Information Burst Rate (Kbps) 50.8 50.8 Modulation 16-QAM 16-QAM FEC Code Rate 0.50 0.50 Transmission rate (kbps) 101.6 101.6 Allocated bandwidth per carrier (kHz) 32.8 32.8 Required Total C/N with Margin (dB) 7.4 7.4 Uplink Uplink Frequency (GHz) 2.0 2.0 Uplink EIRP (not including pilot) (dBW) -1.5 -1.5 Uplink atmospheric loss (dB) 0.1 0.1 Uplink free space loss (dB) 190.1 190.1 Fade + head loss(dB) 3.0 3.0 Transponder G/T dBi/K 21.5 21.5 Polarization Loss (dB) or dual polarization gain (-) 0.0 0.0 Uplink C/N (dB) 11.4 11.4 C/I Inband ATC (dB) 100.0 100.0 C/I Inter Beam (dB) 15.9 15.9 C/I adj-channel 22.0 22.0 Composite Uplink C/I (dB) 14.9 14.9 Satellite Transponder C/I ATC affecting amplifier backoff(dB) -36.5 -36.5 Power Control Error (dB) 1.0 1.0 Per Carrier Output Backoff (dB) 44.8 44.8 Expected C/IM in Digital Carrier Bandwidth at Satellite (dB) 19.0 19.0 Downlink Downlink Frequency (GHz) 11.0 11.0 Satellite EIRP per carrier (dBW) 9.7 9.7 Downlink Free Space Pathloss (dB) 204.7 204.7 Downlink Atmospheric Loss (dB) 0.1 0.1 Rain Availability (%) 99.99 99.99 Downlink Rain Fade (dB) 2.2 2.2 Pointing + Line Losses (dB) 1.0 1.0 Earth Station On-axis G/T (with downlink rain fade) (dBi/K) 31.4 34.5 Downlink C/N (dB) 17.6 20.7 C/I Crosspole Isolation (including rain depole) (dB) 25.3 25.3

Overall Performance Summary Computed Uplink or System Margin (dB) 1.2 1.5 Downlink Margin (dB) 5.5 8.6 Table A-18: Modified Wimax Return Link Voice Budget Satellite and Earth Station Information Downlink Name Las Vegas, (6.3 m) Las Vegas, (9.3 m) Satellite Longitude (degrees) (- = West) -111.1 -111.1 Uplink Elevation Angle (degrees) 36.1 36.1 Carrier Information Frequency reuse 4.0 4.0 Code reuse 3.0 3.0 Beam Pitch (deg) 0.25 0.25 Number of beams 280.0 280.0 Number of subcarriers per 2.5 MHz 256.0 256.0 Number of bins per beam 16.0 16.0 Number of data subcarriers per bin 3.0 3.0 Number of pilots per bin 1.0 1.0 Number of voice channels per bin (time slots) 8.0 8.0 Information rate per bin 4.23 4.23 Number of simultaneous voice channels per beam 128.0 128.0 Information Burst Rate (Kbps) 33.9 33.9 Modulation QPSK QPSK FEC Code Rate 0.67 0.67 Transmission rate (kbps) 50.8 50.8 Allocated bandwidth per carrier (kHz) 32.82 32.82 Required Total C/N with Margin (dB) 4.3 4.3 Uplink Uplink Frequency (GHz) 2.0 2.0 Uplink EIRP (not including pilot) (dBW) -1.5 -1.5 Uplink atmospheric loss (dB) 0.1 0.1 Uplink free space loss (dB) 190.1 190.1 Fade + head loss(dB) 9.0 9.0 Transponder G/T dBi/K 21.5 21.5 Polarization Loss (dB) or dual polarization gain (-) 0.0 0.0 Uplink C/N (dB) 5.4 5.4 C/I Inband ATC (dB) 100.0 100.0 C/I Inter Beam (dB) 15.9 15.9 C/I adj-channel 22.0 22.0 Composite Uplink C/I (dB) 14.9 14.9 Satellite Transponder C/I ATC affecting amplifier backoff(dB) -36.5 -36.5 Power Control Error (dB) 1.0 1.0 Per Carrier Output Backoff (dB) 44.8 44.8 Expected C/IM in Digital Carrier Bandwidth at Satellite (dB) 19.0 19.0 Downlink Downlink Frequency (GHz) 11.0 11.0

Satellite EIRP per carrier (dBW) 9.7 9.7 Downlink Free Space Pathloss (dB) 204.7 204.7 Downlink Atmospheric Loss (dB) 0.1 0.1 Rain Availability (%) 99.99 99.99 Downlink Rain Fade (dB) 2.2 2.2 Pointing + Line Losses (dB) 1.0 1.0 Earth Station On-axis G/T (with downlink rain fade) (dBi/K) 31.4 34.5 Downlink C/N (dB) 17.6 20.7 C/I Crosspole Isolation (including rain depole) (dB) 25.3 25.3 Overall Performance Summary Computed Uplink or System Margin (dB) 0.2 0.3 Downlink Margin (dB) 3.0 6.1


Document Created: 2007-05-30 13:30:33
Document Modified: 2007-05-30 13:30:33
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