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Spectrum sculpting (SS) is a precoding scheme for sidelobe suppression of orthogonal frequency division multiplexing (OFDM) signals and can shape a spectrum with deep notches at chosen frequencies. However, the SS method will degrade the error rate as the number of notched frequencies increases. Orthogonal precoding of the SS has both a notched spectrum and an ideal error rate, but the computational...
N-continuous orthogonal frequency division multiplexing is a modulation technique that achieves a lower-sidelobe transmission signal. However, the calculation (precoding) method requires a wide dynamic range arithmetic. This study considered two decompositions of the precoder matrix for a low-end field-programmable gate array (FPGA) without DSP blocks. Results of numerical experiments and a test design...
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