Multicarrier communication system and methods for link adaptation using uniform bit loading and subcarrier puncturing
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United States of America Patent
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Aug 4, 2009
Grant Date -
Jul 14, 2005
app pub date -
Jun 7, 2004
filing date -
Jan 12, 2004
priority date (Note) -
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Abstract
Transmission parameters for a multicarrier communication channel are selected by setting a power level for each subcarrier of an active set of subcarriers, and calculating the channel capacity based on the power levels and effective noise powers. The number of active subcarriers of the set is decreased, the power levels are reset and the channel capacity is recalculated until a final set of active subcarriers result that provide the highest channel capacity.
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