Apparatus and method for packet error correction

Details Apparatus and method for packet error correction Apparatus and method for packet error correction

2004-05-25

2009-12-22

Nguyen, Chau T (Department: 2416)

Multiplex communications

Fault recovery

C370S248000, C370S394000, C370S253000, C714S751000, C714S752000, C714S758000

Reexamination Certificate

active

07636298

ABSTRACT:
A packet error correcting apparatus includes a retransmission request controlling unit controlling a timing of transmission of a retransmission request to a packet transmitting apparatus from a retransmission request transmitting unit according to whether an error correcting unit can restore the lost packet within a predetermined time period when loss of the packet is detected. In a packet receiving apparatus supporting both Forward Error Correction (FEC) and Automatic Repeat reQuest (ARQ), it is possible to control a timing of transmission of a retransmission request when packet loss occurs, thereby to regenerate video and/or voice with the most suitable delay time while suppressing transmission of unnecessary retransmission requests.

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Korean Written Submission Notification mailed Mar. 24, 2006, with translation.
H. Schulzrinne et al. A Transport Protocol for Real-Time Applications. IETF RFC 1889, pp. 1-75.
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