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DVB-S2 Bit Rate Calculator

VIEWS: 18 PAGES: 2

									                         Satellite Modulator Bit Rate / Symbol Rate Calculator


                                       Modulator Configuration

                          Packet Size                  188       2      188
                          Frame Size                   Normal    1    64800
                          FEC Rate          Invalid     2/3      6    43040
                          Modulation                   8PSK      2         3
                          Pilot Insertion              On        2         1

                          Symbol Rate                           29 Msymbol/s


                                       Calculated Parameters

                          Input Bit Rate:              56.134090 Mbit/s
                          Input Byte Rate:              7.016761 Mbyte/s




                                                                                         Available Parameter Values
                               Index    Pkt Size      Frame Size       nldpc           FEC Rate vs Modulation
                                                                               QPSK     8PSK 16APSK
                                   1          187            Normal   64800     1/4          -          -
                                   2          188             Short   16200     1/3          -          -
                                   3          204                               2/5          -          -
                                   4                                            1/2          -          -
                                   5                                            3/5      3/5            -
                                   6                                            2/3      2/3        2/3
                                   7                                            3/4      3/4        3/4
                                   8                                            4/5          -      4/5
                                   9                                            5/6      5/6        5/6
                                  10                                            8/9      8/9        8/9
                                  11                                            9/10     9/10       9/10




David Clark
Satellite Group
23 November 2000
I:\SAT\SATELIT\Satmod3\S10309 Baseband Card\Spreadsheets\f9340e33-609e-4229-9fb5-2a53dce70cfe.xls
                         Satellite Modulator Bit Rate / Symbol Rate Calculator




            Available Parameter Values
           FEC Rate vs Modulation                      Kbch              Mod.     Pilots
                             32APSK Selected      Normal      Short
                                     -      -      16008       3072     QPSK         Off
                                     -      -      21408       5232     8PSK         On
                                     -      -      25728       6312   16APSK
                                     -      -      32208       7032   32APSK
                                     -  3/5        38688       9552
                                     -  2/3        43040      10632
                                 3/4    3/4        48408      11712
                                 4/5        -      51648      12432
                                 5/6    5/6        53840      13152
                                 8/9    8/9        57472      14232
                                 9/10   9/10       58192        N/A




David Clark
Satellite Group
23 November 2000
I:\SAT\SATELIT\Satmod3\S10309 Baseband Card\Spreadsheets\f9340e33-609e-4229-9fb5-2a53dce70cfe.xls

								
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