ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,163, issued on June 2, was assigned to NEC Corp. (Tokyo).

"Distributed hybrid beamforming" was invented by Mohammad Khojastepour (Lawrenceville, N.J.) and Nariman Torkzaban (College Park, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Transmission methods and systems include calibrating a mismatch between uplink and downlink digital elements of hybrid beamforming transceivers. calibrating a mismatch between uplink and downlink analog elements of the plurality of hybrid beamforming transceivers. Respective downlink channels are estimated between a user equipment and the hybrid beamforming transceivers using respective mismatch calibrations for the...