System and method for controlling line driver power in digital subscriber line modems
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United States of America Patent
Stats
-
Jan 20, 2009
Grant Date -
Mar 20, 2008
app pub date -
Nov 26, 2007
filing date -
Mar 21, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A method for operating plurality of DSL modem transmitters integrated within a circuit card. The method includes each DSL modem transmitter: generating a full power physical frame when the DSL modem transmitter is provided with data to transmit; generating a low power physical frame having a control channel signal component and no data; and selecting between the full power physical frame and the low power physical frame for transmission from the DSL modem transmitter, wherein selection of the low power physical frame for transmission from the DSL modem transmitter is based only on the DSL modem transmitter having no data to transmit. The method further includes limiting aggregate flow of data to the plurality of DSL modem transmitters such that a total power required by the plurality of DSL modem transmitters is held below a predefined target power level.
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