Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
Reexamination Certificate
2011-03-08
2011-03-08
Chase, Shelly A (Department: 2112)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital data error correction
Reexamination Certificate
active
07904781
ABSTRACT:
A data transmitting device and a data receiving device which are capable of conducting an error correction using an FEC stream without requiring a feedback from the data receiving device to the data transmitting device are obtained. The data receiving device includes a media packet transmitting unit for transmitting media streams, a plurality of FEC packet calculating units for calculating FEC packets having different parameters, and a plurality of FEC packet transmitting units for transmitting the FEC packets as a FEC stream. Further, the data receiving device includes a media packet receiving unit for acquiring the media packets, an FEC stream selecting and receiving unit for selecting one or a plurality of FEC streams from the plurality of FEC streams to acquire the FEC packets, and a media packet restoring unit for restoring a lost packet by using the FEC packet.
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Chilamkurti et al., “Video Multicasting Using Layered FEC On Split Protocol,” Tencon 2004, 2004 IEEE Region 10 Conference, vol. 1, pp. 618-621.
Kato Yoshiaki
Sugai Toyokazu
Birch, Stewart, Kolasch and Birch LLP
Chase Shelly A
Mitsubishi Electric Corporation
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