Attachment Schedule S DOC 3

This document pretains to SES-MFS-20101015-01297 for Modification w/ Foreign Satellite (earth station) on a Satellite Earth Station filing.

IBFS_SESMFS2010101501297_849292

Table D-12 GMR-3G Return Link Budget – PC Card Terminal

                                  21 kbps Data - Terminal G/T=-26 dB/K
Parameter                      Units                 Parameter                             Units
Traffic type                             Data        Gateway Downlink C/No
Burst type                             PNB(1 6)      Downlink bandwidth                    MHz      480
Throughput                     kbps       21         Number of data carriers per Gateway            1260
Modulation                             PI/4 QPSK     Satellite EIRP per Gateway            dBW     51.50
FEC/Code rate                           Turbo/.6     Satellite EIRP per carrier, net                2.85
Es/No                           dB         5.80      Frequency                             GHz     11.450
Implementation margin           dB         0.50      Path loss                              dB     205.25
Burst duration                  ms        10.00      Atmospheric loss                       dB      6.95
Symbol rate                    ksps      23.40       Gateway G/T                           dB/K    37.90
Occupied bandwidth              kHz      31.25       G/T degradation                        dB      2.80
MT Uplink C/No                                       C/No, downlink                        dBHz    54.35
MT EIRP                        dBW       -2.30       Gateway Downlink C/Io
Frequency                      GHz       1.640       C/I (across 480 MHz)                   dB     14.85
Path loss                       dB      188.80       C/Io, downlink                        dBHz    53.01
Fade and blocking loss          dB       6.00        Total Link
Satellite G/T                  dB/K      20.60       Uplink C/(No+Io)                      dBHz    49.67
Polarization mismatch loss      dB       0.70        Downlink C/(No+Io)                    dBHz    50.62
C/No, uplink                   dBHz      51.40       C/(No+Io)                             dBHz    47.11
MT Uplink C/Io                                       Received Es/(No+Io)                    dB      3.41
C/I, co-channel                 dB       22.50       Polarization diversity gain            dB      0.00
Number of co-frequency beams               24        Satellite diversity gain               dB      2.95
Adjacent beam loading           %         0.60       Es/(No+Io)                             dB      6.36
VAD gain                        dB       2.01        Required Es/(No+Io)                    dB      6.30
C/I, co-channel                dBHz      32.92       Margin                                 dB      0.06
C/I, adjacent channel           dB       11.28
C/I, calibration signal         dB       21.42
C/I, pointing beacon            dB       15.42
C/Io, uplink                   dBHz      54.50



Document Created: 2010-11-02 08:47:57
Document Modified: 2010-11-02 08:47:57

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