Method for adapting digital data transmission parameters to measured repetitive noise
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United States of America Patent
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May 14, 2013
Grant Date -
Dec 18, 2008
app pub date -
Oct 23, 2006
filing date -
Oct 25, 2005
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Abstract
Following a transmission comprising a plurality of symbols, an error measurement is generated for each symbol, so that one may distinguish between symbols having a relatively low error and symbols having a relatively high error. A bit rate to be used for subsequent transmission is determined as a function of error measurements of those symbols that have relatively low error and as a function also of the proportion of symbols having a relatively high error, such that the bit rate reduces as the proportion increases. Measurement of the error rate and/or the durations of high and low error conditions may also be used to set other transmission parameters such as error-correcting code and interleaver settings.
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