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OFDM MODULATION/DEMODULATION METHOD, OFDM MODULATION DEVICE, OFDM DEMODULATION DEVICE, AND OFDM MODULATION/DEMODULATION SYSTEM
OFDM MODULATION/DEMODULATION METHOD, OFDM MODULATION DEVICE, OFDM DEMODULATION DEVICE, AND OFDM MODULATION/DEMODULATION SYSTEM
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机译：OFDM调制/解调方法，OFDM调制装置，OFDM解调装置和OFDM调制/解调系统
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摘要
An OFDM modulation/demodulation method in a transmission system that transmits data from a transmission source to a transmitting destination through OFDM modulation/demodulation is provided, which includes an extension step (step S1) of extending, by the transmission source, a symbol period by copying an OFDM-modulated symbol in a predetermined place of the OFDM-modulated symbol for a predetermined length; a transmission step (step S2) of transmitting, by the transmission source, the OFDM-modulated symbol that includes the extended symbol period to the transmitting destination; a demodulation performance step (step S3) of receiving, by the transmitting destination, the OFDM-modulated symbol from the transmission source and performing OFDM demodulation of the received OFDM-modulated symbol from a plurality of time points; and a selection step (step S4) of selecting, by the transmitting destination, the demodulation result of the OFDM demodulation to be adopted on the basis of the demodulation results of the OFDM demodulation from the plurality of time points.
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