公开(公告)号：US20240340134A1

公开(公告)日：2024-10-10

申请号：US18635488

申请日：2024-04-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyujae JANG ,  Hyeyong GO ,  Dohun KIM ,  Sungchul PARK ,  Hyoungtak SON ,  Jihyeon JANG ,  Woosik CHO

IPC: H04L5/00 ,  H04W72/541

CPC classification number: H04L5/0048 ,  H04L5/0053 ,  H04L5/0094 ,  H04W72/541

Abstract: In an electronic device and operation method thereof according to various embodiments, the electronic device may include a plurality of antennas. The electronic device may include a communication circuit electrically connected to the plural antennas. The electronic device may include a communication processor, comprising at least one processor, comprising processing circuitry, operably connected to the communication circuit. At least one processor, individually and/or collectively, may be configured to control the electronic device to: receive information indicating a combination of frequency bands to be used for cellular communication from a cellular network; based on the combination of frequency bands being a combination of designated frequency bands, transmit, to the cellular network, user equipment (UE) capability information including information for changing an operation related to transmission of a reference signal in a first frequency band among the combination of frequency bands; receive, from the cellular network, a signal including parameters related to transmission of a reference signal configured based on the information for changing the operation related to transmission of a reference signal; and transmit a reference signal based on the parameters related to transmission of a reference signal.

公开(公告)号：US20210105039A1

公开(公告)日：2021-04-08

申请号：US17026476

申请日：2020-09-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyujae JANG ,  Jungsik MIN ,  Youngsik BYUN ,  Hyoungtak SON ,  Kyungrok LEE

IPC: H04B1/525 ,  H04B1/00 ,  H04B1/401

Abstract: According to one or more embodiments, an electronic device comprises an antenna, a transceiver configured to generate a first signal which corresponds to a first frequency band and transmit the first signal to the antenna, a coupler electrically connected to the antenna and the transceiver, and a communication processor operatively connected to the transceiver, and the communication processor may be configured to identify whether the first signal is abnormal, at least partially based on at least part of the first signal, wherein the at least part of the first signal is a signal fed back through the coupler, and, based on identifying that the first signal is abnormal, control transmission power of the first signal during a set time interval. Other embodiments may be possible.

公开(公告)号：US20240396585A1

公开(公告)日：2024-11-28

申请号：US18794634

申请日：2024-08-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyujae JANG ,  Hyeyong GO ,  Jungjoon KIM ,  Jihun KIM ,  Hyoungtak SON ,  Yeonsang YUN ,  Sangdon LEE ,  Jihyeon JANG ,  Sungyoul CHO

IPC: H04B1/40 ,  G01R19/165 ,  H02M3/158 ,  H03F1/30

Abstract: Disclosed are a method for controlling a voltage supplied to a radio frequency (RF) transmission/reception module, and an electronic device for carrying out same. The electronic device, according to an embodiment, comprises: a communication processor including at least one processor comprising processing circuitry; an RF integrated circuit configured to generate a RF signal by processing data received from the communication processor, and transmit the RF signal to a RF transmission/reception module; the RF transmission/reception module comprising an amplification circuit configured to amplify the RF signal, and an overvoltage protection circuit configured to reduce overvoltage-induced damage to the amplification circuit, and configured to transmit the amplified RF signal; and a power management integrated circuit configured to manage power supplied to the amplification circuit using a voltage converter comprising a boost circuit configured to step up a voltage input into the boost circuit and a buck circuit configured to step down a voltage input into the buck circuit, wherein at least one processor of the communication processor, individually and/or collectively, is configured to: use the overvoltage protection circuit to detect the occurrence of an overshoot in which a voltage supplied to the RF transmission/reception module exceeds a threshold value, and in response to detecting the occurrence of the overshoot, control the power management integrated circuit and thus reduce an operation time of the boost circuit.