Data transmission system

Details Data transmission system Data transmission system

2005-09-23

2009-02-24

Chase, Shelly A (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

07496821

ABSTRACT:
A Digital Video Broadcasting system comprises a service provider generating first digitally coded information; a broadcast network provider receiving the first digitally coded information, said broadcast network provider includes a protocol stack having an MPEG2 TS layer below an IP layer; and encapsulates digitally coded information into MPEG-2 TS packages, and an FEC layer between the IP layer and the MPEG-2 TS layer. The broadcast network provider calculates FEC parity information and generates second digitally coded information comprising the first digitally coded information and the FEC parity information; and including an application data table containing IP datagrams that are extractable without use of said FEC parity information. The receiving unit extracts FEC parity information from the received digitally coded information. Detection of a unit of information that may contain erroneous information so that it is non-identical to the first digitally coded information is thereby effected.

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patent: WO-02/101946 (2002-12-01), None
Ahmavaara, K. et al., In: XVIII World Telecommunications Congress 2002 (WCT), Paris, France. Sep. 22-27, 2002.

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