ELECTRONIC DEVICE FOR TRANSMITTING REFERENCE SIGNAL AND METHOD FOR THE SAME

    公开(公告)号:US20240340134A1

    公开(公告)日:2024-10-10

    申请号:US18635488

    申请日:2024-04-15

    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.

    WIRELESS COMMUNICATION DEVICE INCLUDING RADIO FREQUENCY INTEGRATED CIRCUIT AND METHOD OF CONTROLLING THE SAME

    公开(公告)号:US20230007836A1

    公开(公告)日:2023-01-12

    申请号:US17861733

    申请日:2022-07-11

    Abstract: A wireless communication device may include a processor, a first RF integrated circuit including a first control port for controlling a first RF processing circuit and a RF front end circuit and configured to communicate with the processor, a second RF integrated circuit including a second control port for controlling a second RF processing circuit and the RF front end circuit and configured to communicate with the processor, and the RF front end circuit controlled through the first control port and the second control port and configured to communicate with the first RF integrated circuit to exchange a first RF signal, wherein the processor is configured to determine whether to process a second RF signal in the second RF processing circuit and deactivate at least one component for processing the second RF signal in the second RF processing circuit based on the determining.

    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.

    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 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.

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