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Apparatus and method for reducing the peak-to-average power ratio of OFDM/OFDMA signals
Apparatus and method for reducing the peak-to-average power ratio of OFDM/OFDMA signals
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机译:用于降低OFDM / OFDMA信号的峰均功率比的装置和方法
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摘要
An apparatus is provided for reducing the peak-to-average power ratio (PAPR) of a multicarrier transmission system. The apparatus comprises a detector for receiving a plurality of symbols to be transmitted and determining a peak amplitude of the plurality of symbols and a controller for determining if the peak amplitude associated with the plurality of symbols exceeds a predetermined threshold. If the peak amplitude exceeds the predetermined threshold, the apparatus generates at least one correction carrier signal. The at least one correction carrier signal is combined with a plurality of modulated carrier signals associated with the plurality of symbols to thereby reduce a peak-to-average power ratio associated with the plurality of modulated carrier signals.
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