Attachment Schedule S document SAT-AMD-20060505-00054

Attachment Schedule S document

This document pretains to SAT-AMD-20060505-00054 for Amended Filing on a Satellite Space Stations filing.

IBFS_SATAMD2006050500054_498838

Table 6 – Link Budget for High-Power Notification Forward Link to
Personal Accessory User Terminal (SCPC)

Representative Forward Link Budget
UT Type Personal Accessory
Carrier Type High Power Notification
General Parameters Unit
E/S elevation angle deg 28.0
Minimum user elevation angle deg 20.0
Uplink range km 38792
Downlink range km 39554
Uplink frequency GHz 29.625
Downlink frequency GHz 2.200
Bandwidth/carrier kHz 8.0
Uplink
Uplink E/S antenna diameter m 11.0
Uplink E/S antenna peak gain dBi 68.1
E/S antenna pointing error dB 0.5
Clear-sky uplink EIRP dBW 56.3
Rain faded uplink EIRP dBW 73.1
Free space loss dB 213.7
Rain attenuation dB 16.8
Satellite antenna pointing error dB 0.3
Satellite antenna receive system noise temp. dB-K 30.9
Effective satellite antenna G/T dB/K 24.8
Uplink C/No dBHz 95.5
Uplink C/IMo dBHz 103.7
Uplink C/IoASI dBHz 94.2
Uplink C/Io Intra-system dBHz 199.0
Aggregate uplink C/Io dBHz 94.2
Downlink
Satellite EIRP/carrier dBW 59.5
Free space loss dB 191.2
Atmospheric loss dB 0.1
User terminal antenna gain dB 3.0
User terminal system noise temperature dB-K 25.0
User terminal G/T dB/K -22.0
Downlink propagation margin dB 31.7
Downlink C/No dBHz 43.2
Downlink C/IMo dBHz 54.8
Downlink C/Io Intra-system dBHz 199.0
Downlink C/Io ext dBHz 53.2
Aggregate downlink C/Io dBHz 53.2
End-to-End Performance
End-to-end C/No dBHz 43.2
End-to-end aggregate C/Io dBHz 53.2
End-to-end C/IMo dBHz 54.8
Total aggregate C/(No+Io+IMo) dBHz 42.5
Total aggregate C/(N+I+IM) dB 3.4
Required C/N dB 3.4
System Margin dB 0.0

Document Created: 2006-05-09 10:46:52
Document Modified: 2006-05-09 10:46:52

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