Attachment Schedule S document

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

IBFS_SATMOD2005102100206_461494

Table A.13-1 – Link Budget for Voice-Rate Forward Link to Handheld User Terminal using TDMA Representative Forw ard Link Budget UT Type Handheld T erminal Carrier T ype TDM 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 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/N o dBHz 93.2 Uplink C/IM o dBHz 101.2 Uplink C/I oASI dBHz 92.1 Uplink C/I o Intra-system dBHz 75.1 Aggregate uplink C/I o dBHz 75.0 Dow nlink 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/N o dBHz 57.5 Downlink C/IM o dBHz 79.0 Downlink C/I o Intra-system dBHz 65.7 Downlink C/I o ext dBHz 67.5 Aggregate downlink C/I o dBHz 63.5 End-to-End Performance End-to-end C/N o dBHz 57.5 End-to-end aggregate C/I o dBHz 63.2 End-to-end C/IM o dBHz 78.9 Total aggregate C/(N o +I o +IM o ) dBHz 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 12:22:22
Document Modified: 2005-10-25 12:22:22
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