Attachment Schedule S document SAT-AMD-20060727-00083

Attachment Schedule S document

This document pretains to SAT-AMD-20060727-00083 for Amended Filing on a Satellite Space Stations filing.

IBFS_SATAMD2006072700083_516092

Table 1 – Link Budget for Voice-Rate Forward Link to
Handheld User Terminal using TDMA

Representative Forward Link Budget
UT Type Handheld Terminal
Carrier Type TDMA
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 200.0
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 54.0
Rain faded uplink EIRP dBW 70.8
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 93.2
Uplink C/IMo dBHz 101.2
Uplink C/IoASI dBHz 92.1
Uplink C/Io Intra-system dBHz 75.1
Aggregate uplink C/Io dBHz 75.0
Downlink
Satellite EIRP/carrier dBW 57.3
Free space loss dB 191.2
Atmospheric loss dB 0.1
User terminal antenna gain dB 0.0
User terminal system noise temperature dB-K 27.0
User terminal G/T dB/K -27.0
Downlink propagation margin dB 10.0
Downlink C/No dBHz 57.5
Downlink C/IMo dBHz 79.0
Downlink C/Io Intra-system dBHz 65.7
Downlink C/Io ext dBHz 67.5
Aggregate downlink C/Io dBHz 63.5
End-to-End Performance
End-to-end C/No dBHz 57.5
End-to-end aggregate C/Io dBHz 63.2
End-to-end C/IMo dBHz 78.9
Total aggregate C/(No+Io+IMo) dBHz 56.5
Total aggregate C/(N+I+IM) dB 3.4
Required C/N dB 3.4
System Margin dB 0.0

Document Created: 2006-07-31 14:42:04
Document Modified: 2006-07-31 14:42:04

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