US Patent Issued to Panasonic Intellectual Property Corporation of America on Aug. 5 for "Communication apparatus and transmission method for transmitting a demodulation reference signal" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,766, issued on Aug. 5, was assigned to Panasonic Intellectual Property Corporation of America (Torrance, Calif.).

"Communication apparatus and transmission method for transmitting a demodulation reference signal" was invented by Tetsuya Yamamoto (Kanagawa, Japan) and Ayako Horiuchi (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A repetition unit (212) performs a repetition for mapping a data signal and a demodulation reference signal (DMRS) repeatedly at a symbol level over a plurality of subframes. A signal allocation unit (213) maps, in the a plurality of subframes, the repeated DMRS to symbols other than symbols corresponding to a...