Legacy-compatible forward error correction in telecommunications networks
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United States of America Patent
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N/A
Issued Date -
Sep 4, 2003
app pub date -
Mar 1, 2002
filing date -
Mar 1, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A methodology for enabling terminals that perform forward error correction to interoperate with terminals that perform automatic-repeat-request is disclosed. This is advantageous because it does not require that all of the terminals be upgraded at once, which is an all-to-common fact of many migration paths. In accordance with the illustrative embodiment of the present invention, the legacy terminals communicate with a data frame that conforms to a legacy data frame format and the upgraded terminals communicate with a data frame that conforms to an upgraded data frame format, which is a legacy-compatible extension of the legacy data frame format. The legacy data frame format enables the detection, but not correction, of errors in a data frame and the upgraded data frame format enables the correction of errors in the data frame.
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