Transmitter and method for digital multi-carrier transmission
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United States of America Patent
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Apr 28, 2009
Grant Date -
Feb 10, 2005
app pub date -
Jul 2, 2004
filing date -
Jul 3, 2003
priority date (Note) -
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Abstract
The present invention relates to a transmitter and method employing a multi-carrier transmission method, especially utilizing real coefficient wavelet filter banks. The transmitter includes a preamble data generator, a modulator, and a ramp processor. The preamble data generator generates preamble bit data, and outputs the preamble data. The modulator modulates the preamble data, generates a plurality of subcarriers, and outputs a composite wave of the time waves of the plurality of subcarriers. Subsequently, the ramp processor performs ramp processing on the composite wave with a certain delay period from a reference position of the composite wave.
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