ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,282, issued on June 3, was assigned to Apple Inc. (Cupertino, Calif.).

"Reference signal design for a system operating above 52.6 gigahertz (GHz) carrier frequency" was invented by Gang Xiong (Portland, Ore.), Yushu Zhang (Beijing), Daewon Lee (Portland, Ore.), Alexei Davydov (Nizhny Novgorod, Russia), Seunghee Han (San Jose, Calif.) and Jie Zhu (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "For single carrier based waveform, Discrete Fourier Transform-spread-OFDM (DFT-s-OFDM) and single carrier with a frequency domain equalizer (SC-FDE) can be considered for both DL and UL. For OFDM based transmission scheme including DFT-s-OFDM, a...