ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,494, issued on Oct. 20, was assigned to Nokia Technologies Oy (Espoo, Finland).

"Flexible serving cell frequency" was invented by Tero Henttonen (Espoo, Finland) and Hiromasa Umeda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, apparatuses, and computer program products for configuring a user equipment to operate in carrier aggregation in a serving cell with a primary cell and one or more secondary cell are provided. For example, a method can include receiving, from a primary cell, a carrier aggregation configuration of a secondary cell with uplink. The configuration indicates that downlink is deactivated for the secondary c...