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.

    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 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.

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