Processing of multi-carrier signals before power amplifier amplification
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United States of America Patent
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May 7, 2013
Grant Date -
Dec 13, 2012
app pub date -
Aug 23, 2012
filing date -
Mar 11, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Embodiments for methods and apparatuses for processing a multi-carrier signal are disclosed. One method includes shaping a frequency spectrum of a multi-carrier transmit signal wherein an amplitude of a plurality of subcarriers of the multi-carrier transmit signal is increased relative to at least one other subcarrier of the multi-carrier transmit signal. The shaped frequency spectrum multi-carrier transmit signal is amplified with a power amplifier, wherein a power level of an output of the power amplifier is greater than a rated power level of the power amplifier.
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