A METHOD FOR USING SPARSE TONES AS A MEANS TO ACHIEVE RELIABLE COMMUNICATION OVER A RECEIVER EQUIPPE

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An orthogonal frequency-division multiplexing transmission method according to an embodiment of the present invention includes : a step of generating sparse signals based on data, having a first length, to transmit; a step of generating compressed time domain orthogonal frequency-division multiplexing signals having a second length from the generated sparse signals; and a step of transmitting the generated time domain signals to a reception device through a transmission channel. PAPR reduction effects and more improved SER than an existing orthogonal frequency-division multiplexing method can be obtained with the transmission method. [Reference numerals] (110) Sparse signal generation unit; (120) Inverse Fourier compression sensing conversion unit; (130) Transmission unit