Attachment Schedule S document

This document pretains to SES-MFS-20051202-01665 for Modification w/ Foreign Satellite (earth station) on a Satellite Earth Station filing.

IBFS_SESMFS2005120201665_469056

      Table A.12-14 – Link Budget for Communication Return Link to
              Class-2 User Terminal (200 kHz carrier; Spot Beam)

General                                          Unit
    User terminal type                           -                      Class-2
    Modulation ID / Designator                   -            C2RT / 200KD7W
    Data rate (kbps)                             (kbps)                     448
    Coding rate                                  -                        0.775
    Modulation                                   -                     16-QAM
    Carrier bandwidth                            (kHz)                      189
    Allocated bandwidth                          (kHz)                      200
Uplink
    Frequency                                    (GHz)                      1.6
    User terminal elevation angle                (deg)                       90
    User terminal EIRP towards satellite         (dBW)                     16.1
    Path loss                                    (dB)                     188.9
    Atmospheric loss                             (dB)                       0.1
    Satellite G/T                                (dB/K)                    12.7
    Boltzmann Constant                           (dBW/K/Hz)              -228.6
    Adjacent Channel Interference                (dB)                       0.2
    Up-path C/No                                 (dBHz)                    68.2
Downlink
    Frequency                                    (GHz)                      3.6
    SAS elevation angle                          (deg)                        5
    Satellite EIRP                               (dBW)                      9.6
    Path loss                                    (dB)                     195.7
    Atmospheric loss                             (dB)                       0.4
    SAS G/T                                      (dB/K)                    32.3
    Boltzmann Constant                           (dBW/K/Hz)              -228.6
    Random Loss (99%)                            (dB)                       0.5
    Down-path C/No                               (dBHz)                    73.9
Total
    Mean satellite C/IMo                         (dBHz)                   78.1
    Co-Channel Interference                      (dBHz)                   74.0
    Adjacent satellite interference allocation   (dB)                      1.0
    Mean Overall C/No                            (dBHz)                   65.1
    Mean Overall C/N                             (dB)                     12.3
Margin
    C/N objective                                (dB)                     10.8
    C/N margin                                   (dB)                      1.5



Document Created: 2005-12-05 13:46:55
Document Modified: 2005-12-05 13:46:55

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