US Patent Issued to Sony Group on March 3 for "Tone reservation with PAPR reduction signal on only real or imaginary part of each reserved tone" (Swedish Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,568,011, issued on March 3, was assigned to Sony Group Corp. (Tokyo).

"Tone reservation with PAPR reduction signal on only real or imaginary part of each reserved tone" was invented by Erik Bengtsson (Eslov, Sweden) and Fredrik Rusek (Eslov, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transmitter node is disclosed for reducing Peak to Average Power Ratio, PAPR. The transmitter node comprises circuitry configured to cause the transmitter node to transmit, to a receiver node, data in OFDM symbols. For one OFDM symbol, a real part of a first data symbol transmitted on a first subcarrier and an imaginary part of a second data symbol transmitted ...