Attachment Schedule S document SAT-MOD-20051021-00206

Attachment Schedule S document

This document pretains to SAT-MOD-20051021-00206 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2005102100206_461496

Table A.13-3 – Link Budget for High-Power Notification Forward Link to
Handheld User Terminal (SCPC)

Representative Forward Link Budget
UT Type Handheld Terminal
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 57.2
Rain faded uplink EIRP dBW 74.0
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/N o dBHz 96.4
Uplink C/IM o dBHz 104.5
Uplink C/I oASI dBHz 95.3
Uplink C/I o Intra-system dBHz 199.0
Aggregate uplink C/Io dBHz 95.3
Downlink
Satellite EIRP/carrier dBW 60.4
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 27.8
Downlink C/N o dBHz 42.9
Downlink C/IM o dBHz 64.5
Downlink C/I o Intra-system dBHz 199.0
Downlink C/I o ext dBHz 52.9
Aggregate downlink C/Io dBHz 52.9
End-to-End Performance
End-to-end C/N o dBHz 42.9
End-to-end aggregate C/Io dBHz 52.9
End-to-end C/IM o dBHz 64.5
Total aggregate C/(N o +I o +IM o ) 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: 2005-10-25 12:23:13
Document Modified: 2005-10-25 12:23:13

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