US Patent Issued to Telefonaktiebolaget LM Ericsson on Sept. 1 for "Control of reference signaling for calibration of a D-MIMO system" (Swedish Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,726,283, issued on Sept. 1, was assigned to Telefonaktiebolaget LM Ericsson (Publ) (Stockholm).

"Control of reference signaling for calibration of a D-MIMO system" was invented by Joao Vieira (Hjarup, Sweden), Muris Sarajlic (Malmo, Sweden) and Sina Maleki (Malmo, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is disclosed for a control node for a distributed multiple-input multiple-output (D-MIMO) system comprising a plurality of access points. The method includes, during a calibration process with over-the-air reference signaling between access points, wherein the calibration process comprises a plurality of reference signaling occasio...