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公开(公告)号:US20230216560A1
公开(公告)日:2023-07-06
申请号:US18120573
申请日:2023-03-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Minhwan JEON , Yeongseob LIM , Sungyoul CHO , Hyunkyung JO
IPC: H04B7/06 , H04L5/00 , H04W72/1268
CPC classification number: H04B7/0608 , H04L5/0048 , H04W72/1268
Abstract: An example electronic device includes a communication processor; at least one radio frequency integrated circuit (RFIC) connected to the communication processor; at least one radio frequency front-end (RFFE) circuit connected to the at least one RFIC and configured to process a transmission signal; and a plurality of antennas connected through the at least one RFFE circuit. The communication processor may control to transmit, at a first time point when a reference signal is to be transmitted through a first antenna from among the plurality of antennas, the reference signal to a base station through the first antenna; and transmit, at a second time point when the reference signal is to be transmitted through a second antenna from among the plurality of antennas, a reference signal adjusted at least based on a signal received through the second antenna to the base station through the first antenna.
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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.
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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
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.
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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.
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5.
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.
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公开(公告)号:US20250119845A1
公开(公告)日:2025-04-10
申请号:US18985480
申请日:2024-12-18
Applicant: Samsung Electronics Co., Ltd.
Inventor: Sungyoul CHO , Hyeyong GO , Jihun KIM , Jaeuk RYU , Kyoungsik YOON , Byungchul LEE , Yeongseob LIM , Kyujae JANG , Muyoung CHOI
Abstract: Disclosed is an electronic device in a wireless communication system, the electronic device comprising: at least one processor, comprising processing circuitry, individually and/or collectively, configured to cause the electronic device to: receive a network signalling message from a base station; check whether a condition regarding uplink environment is satisfied; set a clipping amount to a first level and output a signal clipped to the first level based on the condition being satisfied; and set the clipping amount to a second level and output a signal clipped to the second level based on the condition not being satisfied.
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公开(公告)号:US20250031157A1
公开(公告)日:2025-01-23
申请号:US18904507
申请日:2024-10-02
Applicant: Samsung Electronics Co., Ltd.
Inventor: Kyujae JANG , Jaemoon CHA , Dohun KIM , Jaegon GHIM , Jimin KOO , Sungyoul CHO
Abstract: The present disclosure relates to an apparatus and a method for controlling power consumption for monitoring a sensor state in an electronic device. The electronic device can stop checking the state of at least one sensor until a radio resource control (RRC) connection is maintained, and a cumulative electromagnetic wave specific absorption rate (SAR) reaches a preset threshold value (SAR_threshold). The cumulative electromagnetic wave specific absorption rate may be an electromagnetic wave specific absorption rate accumulated by transmission power transmitted within a time period corresponding to a time slot using a specific frequency band.
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8.
公开(公告)号:US20220368358A1
公开(公告)日:2022-11-17
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
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.
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9.
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
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.
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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
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.
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