Attachment Schedule S document

This document pretains to SES-AMD-20070309-00336 for Amended Filing on a Satellite Earth Station filing.

IBFS_SESAMD2007030900336_557794

LB6 – LINK BUDGETS - EVDOF 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 Frequency reuse pattern 4 4 Beam pitch (deg) 0.25 0.25 CDMA carrier bandwidth (MHz) 1.25 1.25 Information rate (including overhead) (kbps) 964 965 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 path loss (dB) 206.05 206.05 Transponder G/T (dBi/K) 15.06 15.06 Uplink C/N (dB) 26.22 29.41 C/I adj channel (dB) 16.13 16.12 C/I depolarization (dB) 25.23 25.23 Composite uplink C/I (dB) 15.62 15.62 Satellite Transponder Power control tolerance (dB)-per user 0.50 0.50 Power control tolerance (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) 75.10 75.10 Downlink free space path loss (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) 18.94 18.93 Expected composite downlink C/I (dB) 2.16 2.16 Overall Performance Summary Computed uplink or system margin (dB) 0.00 0.00 Downlink margin (dB) 0.01 0.20

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 path loss (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) 21.13 21.13 C/I depolarization (dB) 25.23 25.23 Composite uplink C/I (dB) 19.70 19.70 Satellite Transponder Power control tolerance (dB)-per user 0.50 0.50 Power control tolerance (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 (dB) 12.50 12.50 Downlink Downlink frequency (GHz) 2.19 2.19 Satellite EIRP per carrier (dBW) 52.86 52.86 Downlink free space path loss (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) -2.28 -2.28 Expected composite downlink C/I (dB) 3.19 3.19 Overall Performance Summary Computed uplink or system margin (dB) 0.02 0.03 Downlink margin (dB) 0.03 0.04


Document Created: 2007-03-27 16:58:28
Document Modified: 2007-03-27 16:58:28
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