WIRELESS COMMUNICATION METHOD, WIRELESS COMMUNICATION SYSTEM, AND TRANSMISSION DEVICE
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United States of America
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Apr 3, 2025
app pub date -
Jan 25, 2022
filing date -
Jan 25, 2022
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Abstract
A wireless communication method includes phase shift amount determination processing for determining a phase shift amount for each stream of transmission data, modulation processing for modulating the transmission data and further shifting a phase according to the phase shift amount for each stream, and precoding processing for performing precoding on the transmission data after the modulation processing. The transmission data after the precoding processing is transmitted from the transmission device to the reception device. A plurality of types of phase shift patterns prepared in advance define different phase shift amounts. The phase shift amount determination processing includes: selecting, from among the plurality of types of phase shift patterns, one that minimizes a PAPR of the transmission data after the precoding processing or one that maximizes a data reception quality in the reception device; and determining the phase shift amount for each stream according to the selected phase shift pattern.
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