Attachment Schedule S document SAT-MOD-20050926-00182

Attachment Schedule S document

This document pretains to SAT-MOD-20050926-00182 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2005092600182_456653

Table A.13-5 – Link Budget for Voice-Rate Forward Link to
Personal Accessory User Terminal using CDMA

Representative Forward Link Budget
UT Type Personal Accessory
Carrier Type CDM A
General Parameters Unit
E/S elevation angle deg 28.0
M inimum 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 1250.0
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 30.0
Rain faded uplink EIRP dBW 46.8
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/N o dBHz 69.2
Uplink C/IM o dBHz 77.4
Uplink C/I oASI dBHz 68.1
Uplink C/I o Intra-system dBHz 69.2
Aggregate uplink C/I o dBHz 65.6
Downlink
Satellite EIRP/carrier dBW 33.2
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 5.0
Downlink C/N o dBHz 43.5
Downlink C/IM o dBHz 55.2
Downlink C/I o Intra-system dBHz 50.0
Downlink C/I o ext dBHz 53.5
Aggregate downlink C/I o dBHz 48.4
End-to-End Performance
End-to-end C/N o dBHz 43.5
End-to-end aggregate C/I o dBHz 48.3
End-to-end C/IM o dBHz 55.2
Total aggregate C/(N o +I o +IM o ) dBHz 42.0
Total aggregate C/(N+I+IM ) dB -18.9
Required C/N dB -18.9
System M argin dB 0.0

Document Created: 2005-09-27 15:39:30
Document Modified: 2005-09-27 15:39:30

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