Attachment Schedule S document

This document pretains to SAT-AMD-20060803-00084 for Amended Filing on a Satellite Space Stations filing.

IBFS_SATAMD2006080300084_517535

                                                                                  Table D4.1
                                                                                   IA-5-77W Link Budget
                                                                                   Ku-band Digital
Wanted System Orbital Location                                      -77 deg                                Equivalent Uplink I, psd               -48.7 dBw/hz Tx F     14.000 GHz
Interfering System Orbital Location                                 -79 deg        and 74W (FCC allocation)             Dnlink I, eirpd           -21.7 dBw/hz Rx F     11.700 GHz
Minimum Orbital Separation (Geo-centric)                           1.90 deg ; Note: the calculations take topocentric advantage into account
Carrier Type                                                 64K, 8PSK, R2/3 RS                                                    64K, QPSK, R1/2 RS
Transmit ES Location                               CONUS     CONUS Mexico Mexico Conus Conus                             CONUS CONUS Mexico Mexico Conus Conus
Receive ES Location                                CONUS     CONUS Conus Conus Mexico Mexico                             CONUS CONUS Conus Conus Mexico Mexico
Tx ES Size at SA                                       2.4       2.4        2.4         2.4         2.4        2.4          1.8         1.8      1.8        1.8    1.8   1.8
Transmit ES Peak gain                                48.7       48.7      48.7         48.7        48.7       48.7        46.2         46.2     46.2       46.2   46.2 46.2
RX ES Size                                             2.4      12.0        2.4        12.0         2.4       12.0          1.2        12.0      1.2       12.0    1.2  12.0
Receive ES Gain                                       47.2      61.1       47.2        61.1        47.2       61.1         41.1        61.1     41.1       61.1   41.1  61.1
Receive ES G/T (Temp=105K)                            26.9      40.9       26.9        40.9        26.9       40.9         20.9        40.9     20.9       40.9   20.9  40.9
Carrier Type                                       64KR2/3    64KR2/3 64KR2/3 64KR2/3 64KR2/3 64KR2/3 64KR1/2 64KR1/2 64KR1/2 64KR1/2 64KR1/2 64KR1/2
Occupied bandwidth per carrier (kHz)                  34.9      34.9       34.9        34.9        34.9       34.9         69.7        69.7     69.7       69.7   69.7  69.7
Allocated bandwidth per carrier (kHz)                47.1       47.1      47.1         47.1        47.1       47.1        94.1         94.1     94.1       94.1   94.1  94.1
C/N Threshold                                       10.54      10.54      10.54       10.54       10.54      10.54          4.5         4.5      4.5        4.5    4.5   4.5
System Margin                                          5.0       5.0        4.1         4.9         3.0        5.0          5.0         5.0      5.0        5.0    2.3   5.0
Other losses(terrestrial, OBE, etc.,)                  1.0       1.0        1.0         1.0         1.0        1.0          1.0         1.0      1.0        1.0    1.0   1.0
Clear Sky C/N                                        16.5       16.5      15.6         16.4        14.5       16.5        10.5         10.5     10.5       10.5    7.8  10.5
Nominal e/s e.i.r.p. per carrier @ES(dBW)            42.9       41.8      44.1         44.1        44.1       42.0         40.3        38.5     42.8       40.9   41.1  38.5
TX ES PSD                                            -51.2     -52.3      -50.0       -50.0       -50.0      -52.1        -54.3       -56.1    -51.8      -53.7  -53.5 -56.1
ES eirp @ bp-- minimum (dBW)                          41.1      40.0      39.5         39.5        42.3       40.2        38.5         36.7     38.2       36.3   39.3  36.7
Sat G/T at bp                                          2.7       2.7        2.7         2.7         2.7        2.7          2.7         2.7      2.7        2.7    2.7   2.7
Sat G/T at e/s                                         0.9       0.9       -1.9        -1.9         0.9        0.9          0.9         0.9     -1.9       -1.9    0.9   0.9
Free space path loss (dB)                           207.0      207.0      206.7       206.7       207.0      207.0        207.0       207.0    206.7      206.7  207.0 207.0
Input back off, dB                                     5.0       5.0        5.0         5.0         5.0        5.0          5.0         5.0      5.0        5.0    5.0   5.0
Output back off dB                                     3.0       3.0        3.0         3.0         3.0        3.0          3.0         3.0      3.0        3.0    3.0   3.0
C/N uplink (dB)                                       20.1      19.0       18.7        18.7        21.3       19.2         14.5        12.7     14.4       12.5   15.3  12.7
X-pol interf:C/I -uplink (dB)-wanted system           30.0      30.0       30.0        30.0        30.0       30.0         30.0        30.0     30.0       30.0   30.0  30.0
X-pol interf:C/I -uplink (dB)-interfering ES          29.6      28.5       30.8        30.8        30.8       28.7         24.0        22.2     26.5       24.6   24.8  22.2
C/I - copol asi uplink (dB)                           23.4      22.3      21.8         21.8        24.6       22.5        17.8         16.0     17.5       15.6   18.6 16.0
HPA IM at 10 deg el angle(limit: 21,c;10,Ku)         10.0       10.0      10.0         10.0        10.0       10.0        10.0         10.0     10.0       10.0   10.0  10.0
Satellite TWTA IM per carrier @ bp                   -21.0     -21.0      -21.0       -21.0       -21.0      -21.0        -21.0       -21.0    -21.0      -21.0  -21.0 -21.0
C/N+I+others, uplink                                  17.7      16.6       16.5        16.5        18.8       16.8        12.4         10.6     12.4       10.5   13.1  10.6
Downlink e.i.r.p. -bp (dBW)                           50.8      50.8       50.8        50.8        50.8       50.8         50.8        50.8     50.8       50.8   50.8  50.8
Downlink BP-BE difference                              7.1       7.1        7.1         7.1         7.1        7.1          7.1         7.1      7.1        7.1    7.1   7.1
DL ES Pattern Advantage                                4.6       4.6        4.6         4.6          0          0           4.6         4.6      4.6        4.6     0     0
Satellite e.i.r.p.d. per carrier (dBW)-tow es        -25.5     -27.7      -25.5       -27.7       -30.1      -32.3        -25.5       -27.7    -25.5      -27.7  -30.1 -32.3
Satellite e.i.r.p.d. per carrier (dBW)-bp            -23.0     -25.2      -23.0       -25.2       -23.0      -25.2        -23.0       -25.2    -23.0      -25.2  -23.0 -25.2
Satellite e.i.r.p. per carrier (dBW)-bp               22.4      20.2       22.4        20.2        22.4       20.2         25.4        23.2     25.4       23.2   25.4  23.2
Satellite e.i.r.p. per carrier (dBW)-ES               19.9      17.7       19.9        17.7        15.3       13.1         22.9        20.7     22.9       20.7   18.3  16.1
Free space path loss (dB)                           205.4      205.4      205.1       205.1       205.4      205.4        205.4       205.4    205.1      205.1  205.4 205.4
Earth station pointing loss (dB)                     0.30       0.3        0.3         0.3         0.3         0.3        0.30          0.3      0.3        0.3    0.3   0.3
C/N downlink towards BP (dB)                          31.4      43.2      31.7         43.5        26.8       38.6        25.4         43.2     25.7       43.5   20.8  38.6
C/N downlink towards ES (dB)                          28.9      40.7      29.2         41.0        19.7       31.5        22.9         40.7     23.2       41.0   13.7  31.5
C/N-thermal-total                                     19.5      18.9       18.3        18.7        17.4       18.9         13.9        12.6     13.9       12.5   11.4  12.6
Interference & Margins:
C/I Co-polar downlink interference d/l(dB)           28.5      40.8      28.5      40.8      23.9      36.2        21.8      40.8      21.8       40.8      17.2      36.2
C/I X-polar external interference d/l (dB)           25.9      38.1      25.9      38.1      21.3      33.5        17.2      38.1      17.2       38.1      12.6      33.5
Downlink C/(Nth +I+others) composite with ASI dn     22.8      34.9      22.9      35.0      16.6      28.6        15.1      34.9      15.2       35.0       9.4      28.6
Total C/(Nth +I) composite with ASI tot              16.5      16.6      15.6      16.4      14.5      16.5        10.5      10.6      10.6       10.5       7.8      10.5
Total C/(Nth +others) w/o ASI                        19.0      18.4      18.0      18.2      17.1      18.4        13.7      12.5      13.7       12.4      11.3      12.5
 C/N Margin                                           0.0       0.0       0.0       0.0       0.0       0.0         0.0       0.0       0.0        0.0       0.0       0.0



Document Created: 2006-08-04 17:22:06
Document Modified: 2006-08-04 17:22:06

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