System and method for transporting unaltered optical data stream
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United States of America Patent
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May 25, 2010
Grant Date -
Jul 19, 2007
app pub date -
Mar 16, 2007
filing date -
Jun 21, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Embodiments of the invention provide systems, apparatuses, and methods for maintaining proper bit sequence as well as the rate at which the bits occur within the data stream, enabling the transport of an unaltered optical stream from one point to another. Bits of data in a data stream are read into a buffer at a rate controlled by a Phase Locked Loop. A bit count (Ci) embedded in the data stream is extracted and compared with a locally generated bit count (Co) over a predetermined time interval. If Ci and Co are not the same, the PLL frequency can be adjusted to increase or decrease the rate data is read from the buffer.
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