ALEXANDRIA, Va., June 16 -- United States Patent no. 12,659,099, issued on June 16, was assigned to QUALCOMM Inc. (San Diego).
"Envelope tracking using dual tones" was invented by Raviteja Patchava (San Diego), Piyush Gupta (Bridgewater, N.J.), Zhifei Fan (San Diego) and Jing Sun (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive an indication of a delta-frequency associated with a dual-tone downlink transmission from a network entity, the delta-frequency defining a frequency difference between two tones used for the dual-tone downlink transmission. The UE may receive the dual-tone downlink trans...