Network coding using an outer coding process
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United States of America Patent
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Aug 29, 2017
Grant Date -
Dec 25, 2014
app pub date -
Jun 18, 2014
filing date -
Jun 19, 2013
priority date (Note) -
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Abstract
Systems, methods, and devices for encoding and decoding data packets for transmission across a data network. To encode, data packets are first subjected to a an outer code process to result in outer coded packets. The outer coded packets are then divided into generations or groups of outer coded packets, each group or generation having an equal number of packets. Output packets are then created by forming random linear combinations of the outer coded packets from a specific generation or group of outer coded packets. The coefficients for the various elements of each linear combination is selected from a Galois field of values. To decode the incoming packets, enough packets are received until an iterative decoding process can be initiated.
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