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Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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27/00
Modulated-carrier systems
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H04L27/26
Systems using multi-frequency codes
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H04L27/2601
Multicarrier modulation systems
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H04L27/2626
Arrangements specific to the transmitter only
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H04L27/2627
Modulators
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H04L27/2628
Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
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H04L27/263
modification of IFFT/IDFT modulator for performance improvement
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