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_461497

Table A.13-4 – Link Budget for Voice-Rate Forward Link to
Personal Accessory User Terminal using TDMA

Representative Forw ard Link Budget
UT T ype Personal Accessory
Carrier Type TDM A
General Parameters U nit
E/S elevation angle deg 28.0
M inimum user elevation angle deg 20.0
U plink range km 38792
D ownlink range km 39554
U plink frequency G Hz 29.625
D ownlink frequency G Hz 2.200
B andwidth/carrier kH z 200.0
U plink
U plink E/S antenna diameter m 11.0
U plink E/S antenna peak gain dBi 68.1
E/S antenna pointing error dB 0.5
Clear-sky uplink EIRP dBW 44.3
Rain faded uplink EIRP dBW 61.1
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
U plink C/N o dB H z 83.5
U plink C/IM o dB H z 91.7
U plink C/I oASI dB H z 82.4
U plink C/I o Intra-system dB H z 75.1
Aggregate uplink C/I o dB H z 74.4
D ow nlink
Satellite EIRP/carrier dBW 47.5
Free space loss dB 191.2
Atmospheric loss dB 0.1
U ser terminal antenna gain dB 3.0
U ser terminal system noise temperature dB-K 25.0
U ser terminal G/T dB/K -22.0
D ownlink propagation margin dB 5.0
D ownlink C/N o dB H z 57.8
D ownlink C/IM o dB H z 69.5
D ownlink C/I o Intra-system dB H z 65.7
D ownlink C/I o ext dB H z 67.8
Aggregate downlink C/I o dB H z 63.6
End-to-End Performance
End-to-end C/N o dB H z 57.8
End-to-end aggregate C/I o dB H z 63.3
End-to-end C/IM o dB H z 69.5
Total aggregate C/(N o +I o +IM o ) dB H z 56.5
Total aggregate C/(N +I+IM ) dB 3.4
Required C/N dB 3.4
System M argin dB 0.0

Document Created: 2005-10-25 12:23:34
Document Modified: 2005-10-25 12:23:34

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