Attachment Schedule S document

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

IBFS_SATMOD2007052900075_570359

Table A-15: Modified Wimax 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) -111.10 -111.10 Downlink elevation angle (degrees) 36.10 36.10 Carrier Information Frequency reuse 4.00 4.00 Subcarrier reuse 3.00 3.00 Beam pitch ( deg) 0.25 0.25 Number of beams 280.00 280.00 Total subcarriers 256.00 256.00 Number of data subcarriers 192.00 192.00 Carriier bandwidth (MHz) 2.50 2.50 Number of data subcarriers per beam 60.00 63.00 Percentage of power in data subcarriers (%) 86.00 86.00 Information burst rate (Kbps) per subcarrier 22.58 22.58 Burst rate per beam (Kbps) plus overhead 1354.80 1422.54 Modulation 16-QAM 16-QAM FEC code rate 0.67 0.67 Transmission rate (kbps) per burst 33.87 33.87 Allocated bandwidth per subcarrier (kHz) 10.94 10.94 Required total C/N with margin (dB) 9.58 9.58 Uplink Uplink frequency (GHz) 12.88 12.88 Uplink EIRP (on-axis) (dBW) 34.15 37.14 Uplink atmospheric loss (dB) 0.11 0.11 Rain availability (%) 99.99 99.99 Uplink rain fade (dB) 4.52 4.52 Uplink free space pathloss (dB) 206.05 206.05 Transponder G/T dBi/K 2.20 2.20 Uplink C/N (dB) 29.00 31.99 C/I adj-channel 22.00 22.00 C/I Crosspole Isolation (including rain depole) (dB) 23.01 23.01 Composite uplink C/I (dB) 19.47 19.47 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) 45.91 46.12 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) 54.99 54.77 Downlink free space pathloss (dB) 190.87 190.87 Downlink atmospheric loss (dB) 0.06 0.06 Average fade and head loss (dB) 3.00 3.00 Earth station on-axis G/T (dBi/K) -28.00 -28.00 Polarization loss (dB) 3.00 3.00 Downlink C/N (dB) 19.38 19.17

C/I inter beam (dB) 15.26 15.26 Overall Performance Summary Computed uplink or system margin (dB) 0 0 Downlink margin (dB) 0 0 Table A-16: Modified Wimax 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) -111.10 -111.10 Downlink elevation angle (degrees) 36.10 36.10 Carrier Information Frequency reuse 4.00 4.00 Subcarrier reuse 3.00 3.00 Beam pitch ( deg) 0.25 0.25 Number of beams 280.00 280.00 Total subcarriers 256.00 256.00 Number of data subcarriers 192.00 192.00 Carriier bandwidth (MHz) 2.50 2.50 Number of data subcarriers per beam 34.00 34.00 Percentage of power in data subcarriers (%) 86.00 86.00 Number of pilots 8.00 8.00 Information burst rate (Kbps) per subcarrier 11.29 11.29 Number of time slots per frame 8.00 8.00 Number of subcarriers per voice call 3.00 3.00 Information rate per voice user (Kbps) 4.23 4.23 Activity factor 0.40 0.40 Number of simultaneous voice channels per beam 227 227 Modulation QPSK QPSK FEC code rate 0.67 0.67 Transmission rate (kbps) per burst 16.93 16.93 Allocated bandwidth per subcarrier (kHz) 10.94 10.94 Required total C/N with margin (dB) 3.72 3.72 Uplink Uplink frequency (GHz) 12.88 12.88 Uplink EIRP (on-axis) (dBW) 36.61 39.81 Uplink atmospheric loss (dB) 0.11 0.11 Rain availability (%) 99.99 99.99 Uplink rain fade (dB) 4.52 4.52 Uplink free space pathloss (dB) 206.05 206.05 Transponder G/T dBi/K 2.20 2.20 Uplink C/N (dB) 31.46 34.66 C/I adj-channel 22.00 22.00 C/I Crosspole Isolation (including rain depole) (dB) 23.01 23.01 Composite uplink C/I (dB) 19.47 19.47 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) 43.44 43.44

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) 40.56 40.56 Downlink free space pathloss (dB) 190.87 190.87 Downlink atmospheric loss (dB) 0.06 0.06 Average fade and head loss (dB) 3.00 3.00 Earth station on-axis G/T (dBi/K) -28.00 -28.00 Polarization loss (dB) 3.00 3.00 Downlink C/N (dB) 4.96 4.96 C/I inter beam (dB) 15.26 15.26 Overall Performance Summary Computed uplink or system margin (dB) 0.07 0.08 Downlink margin (dB) 0.10 0.10


Document Created: 2007-05-30 13:33:24
Document Modified: 2007-05-30 13:33:24
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