Detecting track information from overlapping signals read from a data storage medium
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United States of America Patent
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Sep 1, 2015
Grant Date -
Jun 12, 2014
app pub date -
Dec 12, 2012
filing date -
Dec 12, 2012
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Abstract
Detecting track information involves receiving first and second overlapping track signals from first and second read elements that read first and second tracks from a data storage medium. Information of the first and second tracks is estimated using the respective first and second track signals. An improved information estimate of the first track is obtained using the first track signal and the estimated information of the second track, and an improved information estimate of the second track is obtained using the second track signal and the estimated information of the first track. First and second track data are decoded using the respective improved information estimates of the first and second tracks.
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