ALEXANDRIA, Va., June 19 -- United States Patent no. 12,335,003, issued on June 17, was assigned to Argo Semiconductors SA (Hellinikon, Greece).
"Distributed digital beamforming" was invented by Emmanouil Frantzeskakis (Athens, Greece), Georgios Sfikas (Athens, Greece) and Konstantinos Vryssas (Athens, Greece).
According to the abstract* released by the U.S. Patent & Trademark Office: "A RU for mMIMO has M antenna branches; a plurality of partial digital beamforming (PDBF) processors, each PDBF processor receiving a transmit vector comprising values for each of L data layers to be transmitted at time t from the RU via the antenna branches, wherein each of the plurality of PDBF processors performs a beamforming operation on the vector by m...