The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2026
Filed:
Apr. 20, 2023
Samsung Electronics Co., Ltd., Suwon-si, KR;
Research & Business Foundation Sungkyunkwan University, Suwon-si, KR;
Seunghoon Jee, Suwon-si, KR;
Youngoo Yang, Suwon-si, KR;
Yifei Chen, Suwon-si, KR;
Hyunuk Kang, Suwon-si, KR;
Kyoungtae Kim, Suwon-si, KR;
Youngyoon Woo, Suwon-si, KR;
Jaekyung Shin, Suwon-si, KR;
Woojin Choi, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, Suwon-si, KR;
Abstract
The disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system such as Long-Term Evolution (LTE). A Doherty power amplifier of a wireless communication system is provided. The Doherty power amplifier includes a first power amplifier, a second power amplifier, a first transmission line, a 4-port coupler, and a load impedance, and the 4-port coupler includes a first port, a second port, a third port, and a fourth port, the first power amplifier is coupled with the 4-port coupler through the first port, the second power amplifier is coupled with the 4-port coupler through the fourth port, the load impedance is coupled with the 4-port coupler through the third port, the first transmission line is disposed between the first power amplifier and the first port of the 4-port coupler, and the second port is an output end of the power amplifier.