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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.
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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: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
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.
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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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6.
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
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).
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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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公开(公告)号:US20230397132A1
公开(公告)日:2023-12-07
申请号:US18310759
申请日:2023-05-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Jaemoon CHA , Seyeon LEE , Kyujae JANG , Minhwan JEON
Abstract: According to various embodiments, an electronic device may comprise: an RF circuit configured for cellular data communication, a plurality of antennas connected to the RF circuit, a Wi-Fi module comprising Wi-Fi circuitry, and at least one processor. The at least one processor may be configured to provide a first indication indicating activation of cellular data communication based on a first antenna among the plurality of antennas being used for transmission. A distance between the first antenna and a Wi-Fi antenna corresponding to the Wi-Fi module may be equal to or less than a first value. The Wi-Fi module may be configured to perform a back-off operation on transmission power of a Wi-Fi RF signal based on reception of the first indication. The at least one processor may be further configured to refrain from providing the first indication, based on a second antenna from which distance to the Wi-Fi antenna exceeds the first value among the plurality of antennas being used for transmission.
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9.
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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公开(公告)号:US20210329617A1
公开(公告)日:2021-10-21
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: 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.
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