The invention relates to a radio transmitter using QAM modulation,
comprising a first transmit filter for filtering data symbols to be
transmitted to form a waveform, means for comparing the waveform to a
predetermined threshold value, means for clipping power peaks that exceed
the predetermined threshold value from the waveform to form a clipped
waveform, means for multiplying the clipped power peaks with an impulse
response of a receive filter to form an impaired signal, means for
subtracting the impaired signal from the data symbols to be transmitted
to form subtracted data symbols, a second transmit filter for filtering
the reduced data symbols to form a modulated signal, and means for
up-converting the modulated signal to a transmission frequency.