Attachment Schedule S document

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

IBFS_SATMOD2005092600182_456657

Table A.13-9 – Link Budget for Voice-Rate Return Link from Personal Accessory User Terminal using FDMA Representative Return Link Budget UT Type Personal Accessory Carrier Type FDM A General Parameters Unit E/S elevation angle deg 28.0 M inimum user elevation angle deg 20.0 Uplink range km 39554 Downlink range km 38792 Uplink frequency GHz 2.020 Downlink frequency GHz 19.700 Bandwidth/carrier kHz 8.0 Uplink Uplink EIRP dBW 6.0 Free space loss dB 190.5 Atmospheric loss dB 0.1 Uplink propagation margin dB 17.9 Effective satellite antenna gain dBi 43.0 Satellite receive system noise temperature dB-K 26.0 Effective satellite antenna G/T dB/K 17.0 Uplink C/N o dBHz 43.1 Uplink C/I o Intra-system dBHz 48.2 Uplink C/I o ext dBHz 53.1 Aggregate uplink C/I o dBHz 46.9 Dow nlink Satellite EIRP dBW 8.5 Free space loss dB 210.1 Atmospheric attenuation dB 0.5 Rain attenuation dB 8.1 E/S antenna gain dB 64.5 E/S antenna pointing error dB 0.3 Nominal system noise temperature dB-K 23.9 Nominal E/S G/T dB/K 40.3 System noise temperature degradation in rain dB 2.6 Rain-degraded system noise temperature dB-K 26.5 Rain-degraded E/S G/T dB/K 37.7 Downlink C/No dBHz 56.1 Downlink C/IM o dBHz 68.1 Downlink C/I o Intra-system dBHz 60.5 Downlink C/I o ASI dBHz 63.7 Aggregate downlink C/I o dBHz 58.8 End-to-End Performance End-to-end C/N o dBHz 42.9 End-to-end aggregate C/I o dBHz 46.7 End-to-end C/IM o dBHz 68.1 Total aggregate C/(N o +I o +IM o ) dBHz 41.4 Total aggregate C/(N+I+IM ) dB 2.3 Required C/N dB 2.3 System M argin dB 0.0


Document Created: 2005-09-27 15:40:57
Document Modified: 2005-09-27 15:40:57
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