Re: TelliCast Missed Packets False Alarms

Ernst Lobsiger


There is 2 kinds of FEC involved: The EUMETCast TS has MPE packets with 188 Bytes. There is FEC on the DVB-S2 demodulator called LDPC.
MPE packets are tagged with PID and assembled per PID to UDP packets by the OS. Tellicast has it's own FEC on the IP (UDP) level. A "missed"
packet is some damaged UDP packet (CRC ERROR or whatever). If TelliCast's FEC can fix it it's called recovered and you will have no files lost.


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