Attachment Schedule S document

This document pretains to SES-AFS-20080410-00448 for Amendment Foreign Satellite App on a Satellite Earth Station filing.

IBFS_SESAFS2008041000448_635628

Table A.12-11 – Link Budget for Signaling Return Link from Class-2 User Terminal
                      (50 kHz bandwidth; Regional Beam)


   General                                          Unit
       User terminal type                           -                      Class-2
       Modulation ID / Designator                   -            C2R3 / 50K0G7W
       Data rate (kbps)                             (kbps)                    52.8
       Coding rate                                  -                         0.87
       Modulation                                   -                   pi/4 QPSK
       Carrier bandwidth                            (kHz)                       42
       Allocated bandwidth                          (kHz)                       50
   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)                     2.2
       Boltzmann Constant                           (dBW/K/Hz)              -228.6
       Adjacent Channel Interference                (dB)                       0.2
       Up-path C/No                                 (dBHz)                    57.7
   Downlink
       Frequency                                    (GHz)                      3.6
       SAS elevation angle                          (deg)                        5
       Satellite EIRP                               (dBW)                      1.6
       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)                    65.9
   Total
       Mean satellite C/IMo                         (dBHz)                   70.1
       Co-Channel Interference                      (dBHz)                   68.3
       Adjacent satellite interference allocation   (dB)                      1.0
       Mean Overall C/No                            (dBHz)                   55.6
       Mean Overall C/N                             (dB)                      9.3
   Margin
       C/N objective                                (dB)                       6.6
       C/N margin                                   (dB)                       2.7



Document Created: 2008-04-16 10:14:04
Document Modified: 2008-04-16 10:14:04

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