Attachment Schedule S document

This document pretains to SAT-AMD-20060505-00054 for Amended Filing on a Satellite Space Stations filing.

IBFS_SATAMD2006050500054_498839

                      Table 7 – Link Budget for Voice-Rate Return Link from
                               Handheld User Terminal using FDMA

Representative Return Link Budget
UT Type                                                      Handheld Terminal
Carrier Type                                                      FDMA
General Parameters                              Unit
E/S elevation angle                             deg                28.0
Minimum 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                 0.0
Free space loss                                  dB                190.5
Atmospheric loss                                 dB                 0.1
Uplink propagation margin                        dB                11.9
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/No                                     dBHz               43.1
Uplink C/Io Intra-system                        dBHz               48.2
Uplink C/Io ext                                 dBHz               53.1
Aggregate uplink C/Io                           dBHz               47.0
Downlink
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/IMo                                  dBHz               64.7
Downlink C/Io Intra-system                      dBHz               60.5
Downlink C/Io ASI                               dBHz               63.5
Aggregate downlink C/Io                         dBHz               58.7
End-to-End Performance
End-to-end C/No                                 dBHz               42.9
End-to-end aggregate C/Io                       dBHz               46.7
End-to-end C/IMo                                dBHz               64.7
Total aggregate C/(No+Io+IMo)                   dBHz               41.4
Total aggregate C/(N+I+IM)                       dB                 2.3
Required C/N                                     dB                 2.3
System Margin                                    dB                 0.0



Document Created: 2006-05-09 10:47:13
Document Modified: 2006-05-09 10:47:13

© 2024 FCC.report
This site is not affiliated with or endorsed by the FCC