ALEXANDRIA, Va., March 3 -- United States Patent no. 12,568,511, issued on March 3, was assigned to Sharp K.K. (Sakai, Japan).
"User equipments, base stations, and methods" was invented by Liqing Liu (Osaka, Japan), Shohei Yamada (Osaka, Japan), Hiroki Takahashi (Osaka, Japan) and Meng Cheng (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method by a user equipment (UE) is described. The method includes receiving, from a base station, a first radio resource control (RRC) parameter including one or more entries, wherein each entry at least provides a value for 'number of DMRS CDM groups without data' and one value for one DMRS port index among one or more DMRS port indexes; and determining a bi...