Attachment Schedule S DOC 18

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

IBFS_SESLIC2012042600397_951161

General                                         Unit              SEATEL
                                                                    60cm
  User terminal type                            -                Typ-60cm
  Carrier designator                            -               50M0G7W
  Data rate (kbps)                              (kbps)             40800
  Coding rate                                   -                    1/2
  Modulation                                    -                  QPSK
  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
  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
  Satellite EIRP density (EOC)                  (dBW/Hz)            -23.0
  Path loss                                     (dB)                209.9
  Rain loss                                     (dB)                  5.6
  Mean Atmospheric loss                         (dB)                  0.7
  User terminal G/T                             (dB/K)               15.0
  G/T degradation due to rain                   (dB)                  2.1
  User terminal Pointing loss                   (dB)                  0.2
  Co-Channel / adj . beam interf. (dn)          (dBHz)              100.0
  Down-path C/No                                (dBHz)               79.0
  Down-path C/N                                 (dB)                  2.1
Total
  Mean satellite C/Imo                          (dBHz)              999.0
  Mean Overall C/No                             (dBHz)               78.8
  Total C/I (adjacent satellite interference)   (dB)                 14.9
  Mean Overall C/N (incl. a.s.i)                (dB)                  1.6
Margin
  C/N required                                  (dB)                  1.0
  C/N margin                                    (dB)                  0.6
  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 gain at 2 deg sep           dBi              21.0
    Inm-Ka C/I dn1                              dB               14.9
Total C/I (adjacent satellite interference)     dB               14.9



Document Created: 2012-05-08 12:04:43
Document Modified: 2012-05-08 12:04:43

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