Method for dynamic performance optimization in a data-over-cable system
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United States of America Patent
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Jan 10, 2006
Grant Date -
N/A
app pub date -
May 25, 1999
filing date -
May 25, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and system for optimizing performance in a data-over-cable system. The method includes determining parameters for data transmission on an upstream channel of the data-over-cable system, and negotiating use of the parameters. A measurement is made of a signal-to-noise ratio ('SNR') on the upstream channel. Associated with the SNR and a target packet-error-ratio ('PER') are parameters that provide optimal data throughput. The parameters, such as symbol rate, type of modulation, or amount of error correction, are used to construct a message that is sent to the cable modems. The message instructs the cable modems to reconfigure themselves to transmit according to the parameters. The reconfiguration helps ensure optimal performance.
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