Attachment Schedule S document

This document pretains to SAT-MOD-20080124-00030 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2008012400030_618843

Table 6 Link budgets for 7 typical C-band carriers

                                    H_C              I_C
Parameter                           Digital TV       Digital TV SCPC, 8
                                                     MBPS, QPSK ¾ RS
                                    MCPC, 40 MBPS,
                                    QPSK, ¾ RS
Carrier designation                     36M0G7W          6M95G1W
Throughput rate, Mbps                       40               8
Symbol rate, MHz                           28.8             5.8
FEC rate                                   0.69            0.69
Uplinks:
Transmit Power (dBW)                         17.1             9.6
Transmit Loss (dB)                           0.5              0.5
Antenna diameter(m)                           10              10
Antenna Gain (dBi)                           54.4            54.4
Ground Station EIRP (dBW)                     71             63.5
Uplink Rain Loss (dB)                         1                1
Free Space Loss (dB)                        200.1           200.1
Satellite G/T (dB/K)                           0               0
Data Rate (dB-Hz)                             76              69
Boltzmann’s Constant (dBW/K-Hz)             228.6           228.6
Eb/No (dB)                                  22.5              22
Eb/Io (dB)                                    18              18
Total Eb/(No + Io) (dB) For 10-7             16.7            16.5
Downlinks:
Satellite Carrier EIRP (dBW)                 38              28
Downlink Rain Loss (dB)                      0.5             0.5
Free Space Loss (dB)                        196.3           196.3
Ground station antenna dia, m                3.8              6
Ground Station G/T (dB/K)                   21.8            25.2
Eb/No (dB)                                  15.6             16
C/IM                                                         18
Eb/IMo(dB)                                                  16.6
C/I                                          16              16
Eb/Io(ASI)                                  14.6            14.6
Eb/Io (dB)                                  14.6            12.5
Eb/(No + Io) (dB)                           12.1            10.9
Total UP/DOWN C/(N+I)(dB)                   13.5            12.3
Total UP/DOWN Eb/(No+Io)(dB)                10.8             9.8
Required Eb/No(dB)                           5.4             5.4
Required C/N(dB)                             6.8             6.8


Margin(dB)                                  5.4        4.4




Table 7. Link budgets for TV/FM in C-band

Parameter                         Typical TV/FM link
Carrier designation                    36M0F3F
Noise bandwidth (MHz)                       36
Uplinks:
Transmit Power (dBW)                       20.7
Transmit Loss (dB)                          0.5
Antenna diameter                            6.1
Antenna Gain (dBi)                         49.8
Ground Station EIRP (dBW)                   70
Uplink Rain Loss (dB)                        1
Free Space Loss (dB)                      200.1
Satellite G/T (dB/K)                         0
Boltzmann’s Constant (dBW/K-Hz)           228.6
C/N(dB)                                    21.9
C/I ASI (dB)                                22
C/(N+I), dB                                 19
Downlinks:
Satellite Carrier EIRP (dBW)                38
Downlink Rain Loss (dB)                     0.5
Free Space Loss (dB)                      196.3
Ground station antenna dia (m)               6
Ground Station G/T (dB/K)                   23
C/N(dB)                                    17.2
C/I(dB)                                     18
C/(N+I) (dB)                               14.6
C/(N+I), Up & DL, dB                       13.2
C/(N+I) required(dB)                        11
Margin(dB)                                  2.2
Satellite Carrier EIRP, max (dBW)           42


J_C                K_C               L_C              M_C
Digital TV MCPC,   Digital TV, MCPC, 56 Kbps, SCPC,   1.544 Mbps, SCPC,
60 MBPS, 8PSK,     110 MBPS, 16QAM, QPSK, ¾ RS        QPSK, ¾ RS
2/3 RS             7/8 RS

    36M0G7W            36M0G7W            100KG1D          1M60G1D
       60                 110               0.056              2
      32.6               34.1               0.037              1
      0.61               0.81                0.75            0.75

       25.1               25.1               -3.4             11.8
        0.5                0.5                0.5              0.5
        10                 10                 4.5              4.5
       54.4               54.4               47.4             47.4
        79                 79                43.5             58.7
         1                  1                  1                1
      200.1              200.1              200.1            200.1
         0                  0                  0                0
       77.8               80.4               47.5             61.9
      228.6              228.6              228.6            228.6
       28.7               26.1               23.5             24.3
        18                 18                 18               18
       17.6               17.4               16.9             17.1

        38                 40                  8              25.2
        0.5                0.5                0.5              0.5
      196.3              196.3              196.3            196.3
        10                 10                  6                6
       33.2               33.2                23               23
       25.2               24.6               15.3             18.1
                                              18               18
                                             16.2             16.2
        20                 22                 16               16
       17.3               16.9              14.2             14.2
       17.3               16.9              12.1             12.1
       16.7               16.2              10.4             11.1
       19.3               21.3              12.2             12.9
       14.1               13.8               9.5             10.2
        7.2               11.5               5.4               5.4
        9.9               16.6               7.2               7.2


6.9   2.3   4.1   4.8



Document Created: 2008-01-30 13:37:48
Document Modified: 2008-01-30 13:37:48

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