Attachment Schedule S DOC 28

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

IBFS_SESLIC2012042600397_951151

INM-KA TEST RETURN LINK BUDGET (SIGNALLING )
                                                                         FADED
Table no.                                                                A.XX-2
General                                              Unit            150 cm model
                                                                        no radome
          User terminal type                         -                Test return
                                                                       signalling
                                                                     carrier GW-
                                                                       GW (EC)
          Carrier designator                         -               5M00G1W
                                                                     (TEST-R7)
          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
       EIRP                                          (dBW)                 49.2
       Antenna tx gain                               dBi                   69.2
       Uplink power                                  (dBW)                -20.0
       Uplink p.s.d.                                 (dBW/Hz)             -87.0
       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 12:01:15
Document Modified: 2012-05-08 12:01:15

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