Attachment Schedule S DOC 29

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

IBFS_SESLIC2012042600397_951150

INM-KA TEST RETURN LINK BUDGET (SIGNALLING )
                                                                              FADED
Table no.                                                                     A.XX-2
General                                              Unit              SEATEL 100cm

          User terminal type                         -                      Test return
                                                                     signalling carrier
                                                                        GW-GW (EC)

          Carrier designator                         -                    5M00G1W
                                                                          (TEST-R8)
          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)                      52.5
       Antenna tx gain                               dBi                        69.2
       Uplink power                                  (dBW)                     -16.7
       Uplink p.s.d.                                 (dBW/Hz)                  -83.7
       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)                     52.2
       Up-path C/N                                   (dB)                      -14.8
Downlink
       Beam                                                                   Feeder
       Frequency                                     (GHz)                    18.207
       Max pfd per crx @ earth surface(beam          (dBW/m2/1MHz)             -138.9
       peak)
       Beam Peak to Edge of Coverage                 (dB)                         3.0
       Max pfd per crx @ earth surface(EOC)          (dBW/m2/1MHz)             -141.9
       Satellite EIRP (EOC)                          (dBW)                       27.2
       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)                      79.4
       Down-path C/N                                 (dB)                        12.4
Total
       Mean satellite C/Imo                          (dBHz)                      84.1
       Mean Overall C/No                             (dBHz)                      52.1
       Total C/I (adjacent satellite interference)   (dB)                        16.3


          Mean Overall C/N (incl. a.s.i)               (dB)           -14.9
Margin
          C/N required                                 (dB)           -22.0
          C/N margin                                   (dB)             7.1

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               16.5
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               29.8
Total C/I (adjacent satellite interference)            dB               16.3



Document Created: 2012-05-08 12:00:55
Document Modified: 2012-05-08 12:00:55

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