公开(公告)号：US11464018B2

公开(公告)日：2022-10-04

申请号：US17301360

申请日：2021-03-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaemoon Cha ,  Hyeyong Go ,  Kyujae Jang ,  Seongju Lee

IPC: H04W88/10 ,  H04W72/04

Abstract: According to various embodiments, an electronic device may comprise a communication processor; at least one RFIC connected to the communication processor; a first RFFE circuit connected to the at least one RFIC and configured to process a first signal corresponding to a first communication network; and a second RFFE circuit connected to the at least one RFIC and configured to process a second signal corresponding to a second communication network, and the communication processor may be configured to: identify a maximum frequency bandwidth that is supportable in the first communication network based on information received from the first communication network, and if the identified maximum frequency bandwidth is identified as a frequency bandwidth that is capable of being processed via the second RFFE circuit, transmit, via the second RFFE circuit, a third signal to the first communication network. Other various embodiments are possible.

公开(公告)号：US12224780B2

公开(公告)日：2025-02-11

申请号：US17742838

申请日：2022-05-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyujae Jang ,  Cheonshik Kim ,  Juho Van ,  Jonghyeok Im ,  Daeyoung Jo ,  Youngjune Hong ,  Daehan Choi ,  Hyeyong Go ,  Yeongseob Lim ,  Sungyoul Cho ,  Taekyoung Jin

IPC: H04B1/04 ,  H03F3/24

Abstract: According to various embodiments, an electronic device may include: a communication processor, a radio frequency (RF) integrated circuit (RFIC) configured to receive a signal output from the communication processor and to modulate the signal into an RF signal, a power management circuit, a first power amplifier configured to amplify an RF signal output from the RFIC based on power supplied from the power management circuit, a second power amplifier configured to amplify the RF signal output from the RFIC based on the power supplied from the power management circuit, at least one capacitor connected in parallel to a power supply terminal of the first power amplifier, and at least one switch connected between the power supply terminal and the at least one capacitor, wherein the communication processor is configured to: identify a power amplification mode based a frequency band of the RF signal, and control the at least one switch by outputting a control signal corresponding to the identified power amplification mode.