ALEXANDRIA, Va., July 30 -- United States Patent no. 12,375,148, issued on July 29, was assigned to Nokia Technologies Oy (Espoo, Finland).
"Signalling port information" was invented by Filippo Tosato (Massy, France), Rana Ahmed Salem (Stuttgart, Germany), Salah Hajri (Nozay, France) and Hao Liu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatuses for multi-channel communications are disclosed. A method provides precoding, based on sounding reference signal received from a communication device, reference signal ports in spatial and frequency domain by determining pairs of spatial and frequency domain components where the frequency domain components are arranged in clusters compris...