Method and apparatus for reducing effects of lost packets on redundancy reduction in communication networks
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United States of America Patent
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Apr 30, 2013
Grant Date -
Jul 21, 2011
app pub date -
Mar 26, 2010
filing date -
Jan 15, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A capability is provided for reducing the effects of lost packets on algorithms used for reducing or eliminating redundant traffic in cellular wireless networks. An encoding node encodes a target packet using a reference packet from a packet cache of the encoding node, and transmits the encoded packet to a decoding node having a packet cache. The decoding node receives the encoded packet and attempts to decode the encoded packet to recover the target packet. The decoding node detects that the reference packet identified in the encoded packet is missing from the packet cache of the decoding node. The decoding node generates a control packet identifying the missing reference packet and transmits the control packet to the encoding node. The encoding node receives the control packet and processes the reference packet stored in the packet cache of the encoding node in a manner for preventing use of the reference packet, by the encoding node, for encoding packets for transmission to the decoding node.
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