Universal packet loss recovery system for delivery of real-time streaming multimedia content over packet-switched networks
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United States of America Patent
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Mar 27, 2012
Grant Date -
Sep 3, 2009
app pub date -
Feb 28, 2008
filing date -
Feb 28, 2008
priority date (Note) -
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Abstract
The Universal Packet Loss Recovery System is capable of recovering end-to-end network packet losses to obtain reliable end-to-end network delivery of multimedia streaming content over Internet Protocol (IP) networks, where packet losses appear above the transport layer. This system incorporates the use of Packet Forward Error Correction Coding (FEC) with packet interleaving processing prior to transport. Packet FEC Coding is an error correction coding method at the packet level which improves link transmission reliability. At the source end of the packet-switching network, the Packet FEC Coding scheme encodes a stream of transport multimedia content packets by including redundant packets to allow for recovery of lost packets by the Packet FEC Coding decoder at the user end of the packet-switching network. Since lost packets appear only above the transport layer in the IP network protocol stack, Packet FEC Coding can be viewed as a transport layer or application layer coding method.
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