WIRELESS COMMUNICATIONS DEVICE PROVIDING PEAK-TO-AVERAGE POWER RATIO (PAPR) REDUCTION BASED UPON WALSH TRANSFORMATION MATRIX PERMUTATIONS AND RELATED METHODS
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United States of America Patent
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Issued Date -
Oct 22, 2015
app pub date -
Apr 21, 2014
filing date -
Apr 21, 2014
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Abstract
A wireless communications device using a multi-carrier modulation communication signal may include a transmitter and a controller operable with the transmitter. The controller may be configured to reduce a peak-to-average power ratio (PAPR) associated with the multi-carrier modulation communication signal by at least generating a plurality of intermediate multi-carrier modulation communication signals based upon respective different permutations of a Walsh transformation matrix, and selecting a given intermediate multi-carrier modulation communication signal for transmission as the multi-carrier modulation communication signal based upon a PAPR associated therewith.
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