Attachment Schedule S DOC 21

This document pretains to SES-LIC-20150402-00188 for License on a Satellite Earth Station filing.

IBFS_SESLIC2015040200188_1082807

INM-KA TEST FORWARD LINK BUDGET (COMMS. HCP)
General                                         Unit            150 cm model no radome

  User terminal type                            -              Test fwd carrier GW-GW
                                                                                 (HCP)


  Carrier designator                            -              50M0G7W (TEST-F2)
  Data rate (kbps)                              (kbps)                    165900
  Coding rate                                   -                             8/9
  Modulation                                    -                       16-APSK
  Occupied bandwidth                            (kHz)                      50000
  Allocated bandwidth                           (kHz)                      50000
Uplink
  Beam                                                                        Feeder
  Frequency                                     (GHz)                          27.75
  Earth Station EIRP                            (dBW)                           77.0
  Antenna tx gain                               dBi                             68.7
  Uplink power                                  (dBW)                            8.3
  Uplink p.s.d.                                 (dBW/Hz)                       -68.7
  Path loss                                     (dB)                           213.0
  Rain loss                                     (dB)                             7.0
  Mean Atmospheric loss                         (dB)                             1.2
  Satellite G/T (EOC)                           (dB/K)                           8.1
  Up-path C/No                                  (dBHz)                          92.5
  Up-path C/N                                   (dB)                            15.5
Downlink                                                   3
  Beam                                                              User-Spot (HCP)

  Frequency                                     (GHz)                           19.45
  Max pfd per crx @ earth surface(beam          (dBW/m2/1MHz                   -122.1
  peak)                                         )
  Beam Peak to Edge of Coverage                 (dB)                              3.0
  Max pfd per crx @ earth surface(EOC)          (dBW/m2/1MHz                   -125.1
                                                )
  Satellite EIRP (EOC)                          (dBW)                            54.0
  Path loss                                     (dB)                            209.9
  Rain loss                                     (dB)                              5.6
  Mean Atmospheric loss                         (dB)                              0.7
  E/S G/T                                       (dB/K)                           42.0
  G/T degradation due to rain                   (dB)                              2.3
  User terminal Pointing loss                   (dB)                              0.2
  Co-Channel / adj . beam interf. (dn)          (dBHz)                          100.0
  Down-path C/No                                (dBHz)                           99.0
  Down-path C/N                                 (dB)                             22.0
Total
  Mean satellite C/Imo                          (dBHz)                          999.0
  Mean Overall C/No                             (dBHz)                           91.6
  Total C/I (adjacent satellite interference)   (dB)                             34.5
  Mean Overall C/N (incl. a.s.i)                (dB)                             14.6
Margin


   C/N required                                 (dB)            13.8
   C/N margin                                   (dB)             0.8
   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)        -56.5
    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               35.5
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 at 2 deg. sep                                29.0
    Inm Rx sidelobe gain at 2 deg sep           dBi              21.0
    Inm-Ka C/I dn1                              dB               41.4
Total C/I (adjacent satellite interference)     dB               34.5



Document Created: 2015-04-08 17:09:22
Document Modified: 2015-04-08 17:09:22

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