Attachment Schedule S DOC 5

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

IBFS_SESMFS2010101501297_849287

Table D-8 GMSA Broadband Return Link – Home Gateway
              460 kbps Broadband Data Channel - Terminal G/T=-15 dB/K
Parameter                                                    Units
                                      Carrier Bandwidth      KHz         1228.8
                                               Data Rate     kbps         460.8
                         Broadband channel reuse scheme                       3
                                       Number of beams                      170
Uplink L-band C/N
                                          Terminal EIRP      dBW           15.0
                                    Power Control Range       dB           12.0
                                L-Band Free-Space Loss        dB         -188.4
                                                     G/T     dB/K          20.6
                                    Boltzmann's constant dBW/Hz·K        -228.6
                                              Bandwidth                    60.9
                                                     C/N      dB            2.9
Co-channel Co-Beam Broadband Channel Interference
                      Average number of co-channel users                    0.0
                                                      C/I                  99.0
Co-channel Adjacent-Beam Broadband Channel Interference
             Average number of co-channel users per beam                    1.0
                                                Total C/I                   1.0
Downlink Ku-Band Feederlink C/N
                                              Frequency      GHz           11.5
                              Ku-Band EIRP per gateway       dBW           51.5
                   Return downlink bandwidth per gateway        MHz        480
                       Simultaneous User Transmissions                     7500
                      L-Band EIRP (for Power Robbing)           dBW        32.0
                                   Satellite (L-Band) G/T       dB/°K      20.6
                                  U/L Propagation Losses         dB      -188.8
                                    Boltzmann’s Constant      dBW/K-Hz   -228.6
                     Satellite EIRP per gateway per user        dBW        12.1
                               Ku-Band Free-Space Loss           dB      -215.2
                      Gateway Equipment Ku-Band G/T             dB/°K      37.9
                                    Boltzmann's Constant      dBW/K-Hz   -228.6
                                                       C/N       dB          2.5
Downlink Ku-Band Feederlink Interference
                          Effective C/I (across 480 MHz)        dB         14.5
                                          Interference psd    dBW -Hz     -49.8
                                  Effective C/I per carrier     dB          1.0
Total Link
                                                   C/(I+N)       dB        -4.2
                                          Processing Gain        dB         4.3
                                          Effective Eb/No        dB         0.0
                              Satellite Diversity Rx Gain        dB         2.5
                                          Required Eb/No         dB         3.1
                                                   Margin        dB        10.0



Document Created: 2010-11-02 08:46:07
Document Modified: 2010-11-02 08:46:07

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