ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,346, issued on May 12, was assigned to Nokia Technologies Oy (Espoo, Finland).

"CSI triggering and configuration enhancements for partial-reciprocity based port selection codebook" was invented by Salah Eddine Hajri (Antony, France), Frederick Vook (Schaumburg, Ill.), Rana Ahmed Salem (Munich), Eugene Visotsky (Buffalo Grove, Ill.), William Hillery (Lafayette, Ind.) and Filippo Tosato (Bures sur Yvette, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method, apparatus, and a computer-readable storage medium are provided for partial reciprocity-based adaptive port selection codebook configuration. A method, apparatus, and a computer-readable s...