Attachment Schedule S document

This document pretains to SES-AMD-20070508-00582 for Amended Filing on a Satellite Earth Station filing.

IBFS_SESAMD2007050800582_566000

Table A-1: CDMA Return Link Data Budget Satellite and Earth Station Information Las Vegas (9.3 Downlink name Las Vegas (6.3 m) m) Satellite longitude (degrees) (- = West) -111.1 -111.1 Uplink elevation angle (degrees) 36.1001407 36.1001407 Carrier Information Frequency reuse pattern 4 4 Beam pitch (deg) 0.25 0.25 Number of CDMA carriers per beam 1 1 Number of traffic channels per CDMA carrier 1 1 CDMA carrier bandwidth (MHz) 1.25 1.25 Information rate (kbps) plus overhead 64 64 Pilot signal (dB below traffic channel) 3.75 3.75 Modulation QPSK QPSK FEC code rate 0.2 0.2 Required total C/N with margin (dB) -2.98 -2.98 Uplink Uplink frequency (GHz) 2.01 2.01 Deleted: Uplink EIRP (not including pilot) (dBW) -7.55 -7.55 Deleted: Uplink atmospheric loss (dB) 0.06 0.06 Deleted: Fade + head loss (dB) 3 3 Uplink free space pathloss (dB) 190.12 190.12 Transponder G/T (dBi/K) 21.50 21.50 Polarization loss (dB) 0 0 Uplink C/N (dB) -2.37 -2.62 C/I inband ATC (dB) 100 100 C/I inter-beam (dB) 14.05 14.05 C/I self Interference (Intra-beam) (dB) 100 100 C/I adj-channel (dB) 26.91 26.91 Composite uplink C/I (dB) 13.83 13.83 Satellite Transponder C/I ATC affecting amplifier backoff(dB) -42.55 -42.55 Power control tolerance (dB) 1 1 Per carrier output backoff (dB) 48.55 48.55 Deleted: Expected C/IM in digital carrier bandwidth at satellite (dB) 19 19 Downlink Downlink frequency (GHz) 11 11 Satellite EIRP per carrier (dBW) 6.95 6.95 Downlink free space pathloss (dB) 204.69 204.69 Downlink atmospheric loss (dB) 0.09 0.09 Rain availability (%) 99.99 99.99

Downlink rain fade (dB) 2.2 2.2 Deleted: Pointing + line losses (dB) 1 1 Deleted: Earth station on-axis G/T (dBi/K) 31.36 34.46 Downlink C/N (dB) 6.89 10.00 Expected composite downlink C/I (dB) 28.93 28.93 Overall Performance Summary Computed uplink or system margin (dB) 0.00 0.01 Downlink margin (dB) 0.04 0.18 Table A-2: CDMA Return Link Voice Budget Satellite and Earth Station Information Las Vegas Downlink name Las Vegas (6.3 m) (9.3 m) Satellite longitude (degrees) (- = West) -111.1 -111.1 Uplink 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 traffic channels per CDMA carrier 129 135 CDMA carrier bandwidth (MHz) 1.25 1.25 Information rate (kbps) plus overhead 5.64 5.64 Voice activity factor Number of voice channels per beam Pilot signal (dB below traffic channel) 3.75 3.75 Modulation QPSK QPSK FEC code rate 0.2 0.2 Required total C/N with margin (dB) -2.98 -2.98 Uplink Uplink frequency (GHz) 2.01 2.01 Uplink EIRP (not including pilot) (dBW) -7.55 -7.55 Uplink atmospheric loss (dB) 0.06 0.06 Fade + head loss (dB) 9.00 9.00 Uplink free space pathloss (dB) 190.12 190.12 Transponder G/T dBi/K 21.50 21.50 Polarization loss (dB) 0.00 0.00 Uplink C/N (dB) 1.88 1.88 C/I inband ATC (dB) 100.00 100.00 C/I inter-beam (dB) 3.49 3.30 C/I self Interference (Intra-beam) (dB) 1.38 1.19 C/I adj-channel (dB) 16.35 16.15

Composite uplink C/I (dB) -0.78 -0.98 Satellite Transponder C/I ATC affecting amplifier backoff(dB) -42.55 -42.55 Power control tolerance (dB) 1.00 1.00 Per carrier output backoff (dB) 56.82 56.99 Expected C/IM in digital carrier bandwidth at satellite (dB) 19 19 Downlink Downlink frequency (GHz) 11 11 Satellite EIRP per carrier (dBW) -1.32 -1.49 Downlink free space pathloss (dB) 204.69 204.69 Downlink atmospheric loss (dB) 0.09 0.09 Rain availability (%) 99.99 99.99 Downlink rain fade (dB) 2.20 2.20 Pointing + line losses (dB) 1.00 1.00 Earth station on-axis G/T (dBi/K) 31.36 34.46 Downlink C/N (dB) 9.17 12.11 Expected composite downlink C/I (dB) 28.93 28.93 Overall Performance Summary Computed uplink or system margin (dB) 0.01 0.02 Downlink margin (dB) 0.18 0.57


Document Created: 2007-05-11 10:43:58
Document Modified: 2007-05-11 10:43:58
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