Attachment Schedule S DOC 9

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

IBFS_SESLIC2012042600397_951170

INM-KA RETURN LINK BUDGET (SIGNALLING )
                                                                       FADED
Table no.                                                              A.XX-1
General                                              Unit              SEATEL
                                                                         60cm
          User terminal type                         -                Typ-60cm

          Carrier designator                         -               5M00G7W
          Data rate (kbps)                           (kbps)               9.6
          Coding rate                                -                    1/2
          Modulation                                 -                  BPSK
          Occupied bandwidth                         (kHz)               5000
          Allocated bandwidth                        (kHz)               5000
Uplink
       Beam                                                               EC
       Frequency                                     (GHz)             29.507
       User Terminal EIRP                            (dBW)               49.2
       Antenna tx gain                               dBi                 43.5
       Uplink power                                  (dBW)                5.7
       Uplink p.s.d.                                 (dBW/Hz)           -61.3
       Path loss                                     (dB)               213.5
       Rain loss                                     (dB)                 4.0
       Mean Atmospheric loss                         (dB)                 0.4
       Satellite G/T (EOC)                           (dB/K)             -11.0
       Up-path C/No                                  (dBHz)              48.9
       Up-path C/N                                   (dB)               -18.1
Downlink
       Beam                                                            Feeder
       Frequency                                     (GHz)             18.207
       Max pfd per crx @ earth surface(beam          (dBW/m2/1MHz)      -142.2
       peak)
       Beam Peak to Edge of Coverage                 (dB)                  3.0
       Max pfd per crx @ earth surface(EOC)          (dBW/m2/1MHz)      -145.2
       Satellite EIRP (EOC)                          (dBW)                23.9
       Path loss                                     (dB)                209.4
       Rain loss                                     (dB)                  5.6
       Mean Atmospheric loss                         (dB)                  0.4
       Earth Station G/T                             (dB/K)               42.0
       G/T degradation due to rain                   (dB)                  2.5
       Rx terminal Pointing loss                     (dB)                  0.1
       Co-Channel / adj . beam interf. (dn)          (dBHz)               90.0
       Down-path C/No                                (dBHz)               76.3
       Down-path C/N                                 (dB)                  9.3
Total
       Mean satellite C/Imo                          (dBHz)               80.8
       Mean Overall C/No                             (dBHz)               48.8
       Total C/I (adjacent satellite interference)   (dB)                 13.0
       Mean Overall C/N (incl. a.s.i)                (dB)                -18.2
Margin


          C/N required                                 (dB)           -22.0
          C/N margin                                   (dB)             3.8

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               13.2
Downlink C/I
Interferor 1
           Max. ground PFD                             (dBW/m2/MHz)   -126.9
           Max. downlink EIRP s.d                      (dBW/Hz)        -24.8
           Inm Rx sidelobe gain at 2 deg sep           dBi              21.0
           Inm-Ka C/I dn1                              dB               26.5
Total C/I (adjacent satellite interference)            dB               13.0



Document Created: 2012-05-08 12:08:09
Document Modified: 2012-05-08 12:08:09

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