US Patent Issued to QUALCOMM on Oct. 14 for "Multiple-port phase change estimation reference signals for discrete Fourier transform-spread orthogonal frequency-division multiplexing (DFT-S-OFDM) transmissions" (California Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,336, issued on Oct. 14, was assigned to QUALCOMM Inc. (San Diego).

"Multiple-port phase change estimation reference signals for discrete Fourier transform-spread orthogonal frequency-division multiplexing (DFT-S-OFDM) transmissions" was invented by Chih-Hao Liu (San Diego), Jing Sun (San Diego) and Jing Jiang (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and devices for wireless communications are described. In some examples, a transmitting device associated with one or more non-coherent demodulation reference signal ports may transmit data including a phase change estimation reference signal with multiple reference sig...