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.

公开(公告)号：US20230208483A1

公开(公告)日：2023-06-29

申请号：US18115250

申请日：2023-02-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaemoon CHA ,  Jimin KOO ,  Jaewoo PARK ,  Seongju LEE ,  Yeonjoo LEE ,  Hyeyong GO ,  Yeongseob LIM ,  Kyujae JANG ,  Sungyoul CHO

IPC: H04B7/06 ,  H04W52/24 ,  H04W52/36 ,  H04B1/3827

CPC classification number: H04B7/0608 ,  H04W52/245 ,  H04W52/367 ,  H04B1/3838

Abstract: According to various embodiments, an electronic device comprises: a communication processor; at least one radio frequency integrated circuit (RFIC) connected to the communication processor; and a plurality of antennas, each of which is connected to the at least one RFIC through at least one radio frequency front-end (RFFE) circuit and configured to transmit a signal corresponding to at least one communication network, wherein the communication processor may identify information related to strength of a reception signal received through each of the plurality of antennas, identify the maximum transmittable power set corresponding to a transmission path for each of the plurality of antennas, and control the electronic device such that a transmission signal to be transmitted through at least one antenna selected from among the plurality of antennas at least based on the identified information related to the strength of the reception signal and maximum transmittable power.

公开(公告)号：US20230080762A1

公开(公告)日：2023-03-16

申请号：US17939586

申请日：2022-09-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jungjoon KIM ,  Dohun KIM ,  Heecheol AHN ,  Yeonsang YUN ,  Kyujae JANG ,  Minkwon JEONG

IPC: H02J7/34 ,  H02J7/00 ,  H03F3/21 ,  H03F1/02

Abstract: An electronic device includes a battery, a plurality of capacitors, a converter that receives power from the battery and charges each of the plurality of capacitors to different voltages based on the power, a plurality of switches that switch a first path and a second path of each of the plurality of capacitors, and a controller. The controller selects a first switch among the plurality of switches based on a received signal, and controls the first switch such that a path of a capacitor connected to the first switch is switched from the first path to the second path, and the first path is a path which electrically connects each of the plurality of capacitors to the converter, the second path is a path which electrically connects each of the plurality of capacitors and a power amplifier (PA).

公开(公告)号：US20250113310A1

公开(公告)日：2025-04-03

申请号：US18979905

申请日：2024-12-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dohun KIM ,  Jaegon GHIM ,  Sangdon LEE ,  Kyujae JANG ,  Jihyeon JANG ,  Sungyoul CHO ,  Jimin KOO ,  Deokhee LEE

IPC: H04W52/36 ,  H04W52/28 ,  H04W74/0833

Abstract: A method of an electronic device, includes: controlling a portion of one radio frequency (RF) circuit to apply, to a first antenna during a first period, one RF signal having one first transmission power; identifying a second antenna for transmitting an RF signal, based on a first accumulated specific absorption rate (SAR) during the first period; identifying a second period during which transmission is possible with second threshold transmission power corresponding to the second antenna; identifying, based on a third period, a non-transmission period of the first antenna configured based on an SAR residual amount; and controlling a portion of the one RF circuit to apply, to the second antenna during a shorter period between the second period and the non-transmission period, one second RF signal having one second transmission power.

公开(公告)号：US20230085560A1

公开(公告)日：2023-03-16

申请号：US17987138

申请日：2022-11-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaemoon CHA ,  Kyujae JANG ,  Hyeyong GO ,  Seongju LEE ,  Yeonjoo LEE ,  Wonhyung HEO

IPC: H04L5/00 ,  H04B7/0404 ,  H04W52/36 ,  H04W52/24

Abstract: An electronic device is provided. The electronic device includes a communication processor, at least one radio frequency integrated circuit (RFIC), a first radio frequency front end (RFFE) circuit, a second FRRE circuit, a first antenna group including a plurality of antennas each connected through the first RFFE circuit to transmit a signal corresponding to at least one communication network, and a second antenna group including a plurality of antennas each connected through the second RFFE circuit to transmit a signal corresponding to at least one communication network, wherein the communication processor is configured to control to transmit a reference signal referenced for channel estimation in a base station of a first communication network to at least one of the plurality of antennas of the first antenna group through the first REEF circuit, and control to transmit the reference signal to at least one of the plurality of antennas of the second antenna group through the second RFFE circuit.

公开(公告)号：US20230007591A1

公开(公告)日：2023-01-05

申请号：US17854857

申请日：2022-06-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yeongseob LIM ,  Sungyoul CHO ,  Hyeyong GO ,  Jungjoon KIM ,  Sanghyeok YANG ,  Kyujae JANG ,  Hyunkyung JO ,  Hojong KIM ,  Jaeuk RYU ,  Jihyeon JANG ,  Minkwon JEONG

IPC: H04W52/02 ,  H04W72/04 ,  H04B1/04

Abstract: An electronic device may include a wireless communication circuit, a battery, a power management integrated circuit (PMIC) electrically connected to the wireless communication circuit and the battery and including a regulator, and a processor electrically connected to the wireless communication circuit, the battery, and the PMIC. The processor may, responsive to the electronic device satisfying a specified condition, identify a change in a magnitude of a voltage of an output terminal of the regulator for a first time interval, identify a ratio of a time interval during which the change in the magnitude of the voltage of the output terminal satisfies a threshold value with respect to the first time interval, and adjust the magnitude of the voltage of the output terminal in a step-wise manner based on the ratio.

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：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：US20240314705A1

公开(公告)日：2024-09-19

申请号：US18604962

申请日：2024-03-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyujae JANG ,  Jimin KOO ,  Dohun KIM ,  Cheonshik KIM ,  Yongjun AN ,  Yeonsang YUN ,  Sungyoul CHO

IPC: H04W52/28 ,  G01S19/39 ,  G01S19/51

CPC classification number: H04W52/283 ,  G01S19/393 ,  G01S19/51

Abstract: According to an embodiment, an electronic device may comprise: memory storing instructions and at least one processor, comprising processing circuitry, individually and/or collectively. The instructions, when executed by at least one processor, cause the electronic device to: identify a position of the electronic device and at least one satellite from a GPS signal based on identifying a first event, identify whether a value based on a relative angle between a trajectory axis corresponding to the at least one satellite and the electronic device meets a first condition, identify whether a value based on a relative distance between the electronic device and the at least one satellite meets a second condition based on identifying that the value based on the relative angle does not meet the first condition, set a first power lower than a third power to a transmission power of a transmission signal corresponding to satellite communication based on identifying that the value based on the relative distance meets the second condition, and set a third power to a transmission power of a transmission signal corresponding to satellite communication based on identifying that the value based on the relative distance does not meet the second condition.

公开(公告)号：US20240275638A1

公开(公告)日：2024-08-15

申请号：US18629184

申请日：2024-04-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dohun KIM ,  Kyujae JANG ,  Jaemoon CHA ,  Jimin KOO ,  Jaegon GHIM ,  Jungsuk WOO ,  Yeonsang YUN ,  Kwangsu LEE ,  Deokhee LEE ,  Sangdon LEE ,  Yeonjoo LEE ,  Sanghyun CHANG ,  Sungyoul CHO ,  Hyunkyung JO

IPC: H04L25/02 ,  H04L5/00

CPC classification number: H04L25/0204 ,  H04L5/0023 ,  H04L5/0048

Abstract: Disclosed are a transmission power control method and an electronic device for performing the same. The transmission power control method according to various embodiments may comprise: determining whether the magnitude of a reference signal received from a first base station for transmitting and receiving a first signal is greater than or equal to a set magnitude; determining a ratio of a specific absorption rate of the first signal according to a ratio set in the total specific absorption rate margin; and transmitting the first signal on the basis of the ratio of the specific absorption rate of the first signal.