Main differences between DVB-S and DVB-S2

    

 DVB-S                                                                          DVB-S2
                                                                    • Fully transparent to all data
  Meant for broadcast only

                                                                     • Baseband in 16 or 64 kb/s
  Fixed 188 byte/packets

                                                                     • CCM/MultiStream-VCM-ACM
  One TS / carrier

                                                                     • LDPC and BCH coding
  RS and Viterbi coding

                                                                      • Can work within noise floor
  Need of high Rx margin

                                                                       • QPSK-8PSK-16APSK-32APSK
  QPSK /QPSK-8PSK-16QAM

                                                                        • 20% Roll-off carrier
  35% 25% Roll-off carrier

                                                                        • Pilot tones for extra synch in  Consumer LNB’s work in QPSK only

                                                                                                     8PSK