ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,626, issued on April 14, was assigned to Huawei Technologies Co. LTD. (Shenzhen, China).

"Multi-phase-based doherty power amplifier method and apparatus" was invented by Qianfu Cheng (Chengdu, China), Hua Cai (Chengdu, China) and Guangjian Wang (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses example multi-phase-based Doherty power amplifier control methods and apparatus. An example method includes obtaining a baseband signal and generating two vector signals based on the baseband signal, where the two vector signals each include a phase signal and amplitude signal, and the two vector signals are non-orthogo...