Attachment Schedule S DOC 24

This document pretains to SES-LIC-20120426-00397 for License on a Satellite Earth Station filing.

IBFS_SESLIC2012042600397_951155

INM-KA RETURN LINK BUDGET (COMMS. HCP )
General                                              Unit               150 cm
                                                                       model no
                                                                        radome
          User terminal type                         -               Typ-150cm

          Carrier designator                         -               4M78G7W
          Data rate (kbps)                           (kbps)               6366
          Coding rate                                -                      2/3
          Modulation                                 -                   8PSK
          Occupied bandwidth                         (kHz)              3981.1
          Allocated bandwidth                        (kHz)              4777.3
Uplink
          Beam                                                       User-Spot
                                                                        (HCP)

       Frequency                                     (GHz)               29.25
       User Terminal EIRP                            (dBW)                59.5
       Antenna tx gain                               dBi                  51.4
       Uplink power                                  (dBW)                 8.1
       Uplink p.s.d.                                 (dBW/Hz)            -57.9
       Path loss                                     (dB)                213.5
       Rain loss                                     (dB)                  7.0
       Mean Atmospheric loss                         (dB)                  1.7
       Satellite G/T (EOC)                           (dB/K)               11.0
       Up-path C/No                                  (dBHz)               76.7
       Up-path C/N                                   (dB)                 10.7
Downlink
       Beam                                                             Feeder
       Frequency                                     (GHz)                  18
       Max pfd per crx @ earth surface(beam peak)    (dBW/m2/1MHz)       -135.9
       Beam Peak to Edge of Coverage                 (dB)                   3.0
       Max pfd per crx @ earth surface(EOC)          (dBW/m2/1MHz)       -138.9
       Satellite EIRP (EOC)                          (dBW)                 29.1
       Path loss                                     (dB)                 209.3
       Rain loss                                     (dB)                   5.6
       Mean Atmospheric loss                         (dB)                   0.7
       Earth Station G/T                             (dB/K)                42.0
       G/T degradation due to rain                   (dB)                   2.6
       Rx terminal Pointing loss                     (dB)                   0.1
       Co-Channel / adj . beam interf. (dn)          (dBHz)                89.0
       Down-path C/No                                (dBHz)                80.8
       Down-path C/N                                 (dB)                  14.8
Total
       Mean satellite C/Imo                          (dBHz)               86.1
       Mean Overall C/No                             (dBHz)               74.9
       Total C/I (adjacent satellite interference)   (dB)                 23.1
       Mean Overall C/N (incl. a.s.i)                (dB)                  8.7
Margin
       C/N required                                  (dB)                   8.2


          C/N margin                                   (dB)             0.5
          Availability                                 (%)             98.6
C/I calculations

Orbital separation (interferor 1)                      degree           2.0
Worst case topocentric angle (1)                       degree          2.09

Uplink C/I
Interferor 1
           Max. uplink p.s.d                           (dBW/Hz)        -56.0
           Other's sidelobe at 2 deg. sep X-25log(t)                    29.0
           Tx Sidelobe gain at 2 deg sep               dBi              21.0
           Inm-Ka C/I up1                              dB               25.5
Downlink C/I
Interferor 1
           Max. ground PFD                             (dBW/m2/MHz)   -121.1
           Max. downlink EIRP s.d                      (dBW/Hz)        -19.0
           Inm Rx sidelobe gain at 2 deg sep           dBi              21.0
           Inm-Ka C/I dn1                              dB               26.9
Total C/I (adjacent satellite interference)            dB               23.1



Document Created: 2012-05-08 12:02:38
Document Modified: 2012-05-08 12:02:38

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