ELECTRONIC DEVICE AND METHOD FOR TRANSMITTING REFERENCE SIGNAL IN ELECTRONIC DEVICE

    公开(公告)号:US20230085560A1

    公开(公告)日:2023-03-16

    申请号:US17987138

    申请日:2022-11-15

    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.

    ELECTRONIC DEVICE AND METHOD TO CONTROL COMMUNICATION CIRCUIT IN ELECTRONIC DEVICE

    公开(公告)号:US20210105039A1

    公开(公告)日:2021-04-08

    申请号:US17026476

    申请日:2020-09-21

    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.

    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 MANAGEMENT INTEGRATED CIRCUIT AND OPERATING METHOD THEREOF

    公开(公告)号:US20230080762A1

    公开(公告)日:2023-03-16

    申请号:US17939586

    申请日:2022-09-07

    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).

    ELECTRONIC DEVICE PERFORMING BACK-OFF AND METHOD FOR OPERATING THE SAME

    公开(公告)号:US20230397132A1

    公开(公告)日:2023-12-07

    申请号:US18310759

    申请日:2023-05-02

    CPC classification number: H04W52/38 H04W52/36 H04W88/06

    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.

    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 AND METHOD FOR SETTING TRANSMISSION PATH IN ELECTRONIC DEVICE

    公开(公告)号:US20210329617A1

    公开(公告)日:2021-10-21

    申请号:US17301360

    申请日:2021-03-31

    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.

Patent Agency Ranking