ELECTRONIC DEVICE AND METHOD FOR TRANSMITTING REFERENCE SIGNAL IN ELECTRONIC DEVICE

    公开(公告)号:US20230216560A1

    公开(公告)日:2023-07-06

    申请号:US18120573

    申请日:2023-03-13

    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.

    METHOD AND APPARATUS FOR CONTROLLING SPECIFIC ABSORPTION RATE

    公开(公告)号:US20250113310A1

    公开(公告)日:2025-04-03

    申请号:US18979905

    申请日:2024-12-13

    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.

    METHOD FOR CONTROLLING VOLTAGE SUPPLIED TO RF TRANSMISSION/RECEPTION MODULE, AND ELECTRONIC DEVICE FOR CARRYING OUT SAME

    公开(公告)号:US20240396585A1

    公开(公告)日:2024-11-28

    申请号:US18794634

    申请日:2024-08-05

    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.

    ELECTRONIC DEVICE INCLUDING POWER AMPLIFIER AND FRONT-END MODULE INCLUDING POWER AMPLIFIER

    公开(公告)号:US20220368358A1

    公开(公告)日:2022-11-17

    申请号:US17742838

    申请日:2022-05-12

    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.

    ELECTRONIC DEVICE SUPPORTING NON-TERRESTRIAL NETWORK COMMUNICATION AND METHOD FOR OPERATING THE SAME

    公开(公告)号:US20240314705A1

    公开(公告)日:2024-09-19

    申请号:US18604962

    申请日:2024-03-14

    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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