Peak factor reduction device and wireless transmitter

To satisfy the required SNR values for each system and/or each channel, a peak factor reduction device for reducing peak components included in a transmission signal, generates a cancellation signal to be multiplexed on the transmission signal, and the peak factor reduction device changes an amplitu...

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Bibliographische Detailangaben
Hauptverfasser: ISHIDA YUUJI, HORI KAZUYUKI, HE QIAN
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:To satisfy the required SNR values for each system and/or each channel, a peak factor reduction device for reducing peak components included in a transmission signal, generates a cancellation signal to be multiplexed on the transmission signal, and the peak factor reduction device changes an amplitude of the generated cancellation signal according to a signal noise ratio required for the transmission signal and a power level of the transmission signal.