ELECTRONIC DEVICE FOR ADJUSTING FREQUENCY OF REFERENCE SIGNAL USED TO GENERATE RF SIGNAL

    公开(公告)号:US20230085553A1

    公开(公告)日:2023-03-16

    申请号:US17946780

    申请日:2022-09-16

    Abstract: An electronic device may include: an antenna; a radio frequency integrated circuit (RFIC) configured to: generate a first radio frequency (RF) signal in a first frequency band to be used in cellular communication by mixing a first baseband signal with a first reference signal, output the first RF signal to the antenna, receive, from the antenna, a second RF signal in a second frequency band to be used in the cellular communication, generate a second baseband signal by mixing the second RF signal with a second reference signal, and output the second baseband signal; and a processor is configured to: obtain, from the second baseband signal output by the RFIC, a control signal for establishing a communication channel between a base station and the electronic device, identify, from the control signal, a first condition for causing desense of the second RF signal, and based on the first condition being satisfied, adjust a frequency of the first reference signal.

    Electronic device comprising diplexer capable of adjusting cutoff frequency in connection with adjustment of reception frequency band of duplexer

    公开(公告)号:US11569971B2

    公开(公告)日:2023-01-31

    申请号:US16977709

    申请日:2019-04-15

    Abstract: Disclosed is an electronic device including an antenna module including one or more antennas transmitting or receiving a signal in a first frequency band and a second frequency band wirelessly, a first duplexer separating the first frequency band into a first transmission frequency band and a first reception frequency band and adjusting the first reception frequency band, a second duplexer separating the second frequency band into a second transmission frequency band and a second reception frequency band and adjusting the second reception frequency band, and a diplexer including a first terminal electrically connected to the antenna module, a first filter passing the first frequency band, a second terminal electrically connected to the first filter and the first duplexer, a second filter passing the second frequency band, and a third terminal electrically connected to the second filter and the second duplexer. The diplexer adjusts a cut-off frequency of the first filter or the second filter in connection with the first reception frequency band adjusted through the first duplexer or the second reception frequency band adjusted through the second duplexer. In addition, various embodiments as understood from the specification are also possible.

    ELECTRONIC DEVICE FOR DIRECT OR INDIRECT WIRELESS COMMUNICATION BETWEEN DEVICES

    公开(公告)号:US20220149873A1

    公开(公告)日:2022-05-12

    申请号:US17583912

    申请日:2022-01-25

    Abstract: An electronic device is provided and includes an antenna; a first duplexer including a first band pass filter (BPF), a second BPF, a first port, a second port, and a third port; a filter; a power amplification circuit including an input port and an output port; a processor; a radio frequency (RF) integrated circuit (RFIC) including an input port and an output port; a first switch including a first terminal and a second terminal; a second switch including a first terminal and a second terminal; and a third switch including a first terminal, wherein the processor is configured to connect the antenna to the first terminal of the first switch, the output port of the power amplification circuit to the first terminal of the second switch, and a second port of the filter to the first terminal of the third switch by controlling the first switch, the second switch, and the third switch, and output a baseband signal to the RFIC in a state in which the antenna is connected to the first terminal of the first switch, the output port of the power amplification circuit is connected to the first terminal of the second switch, and the second port of the filter is connected to the first terminal of the third switch.

    Method using signal component of multiplied frequency and electronic device therefor

    公开(公告)号:US11309923B2

    公开(公告)日:2022-04-19

    申请号:US17036534

    申请日:2020-09-29

    Abstract: An electronic device is provided. The electronic device includes an antenna, a transmission path electrically connected to the antenna and including at least one amplifier, a transceiver connected to the transmission path and converting a signal, a feedback path connected between the transmission path and the transceiver, at least one processor connected to the transceiver and communicating with at least one external electronic device by using the transceiver, and a memory connected to the at least one processor. The processor may obtain first information about a first phase and a first magnitude, which are associated with the first frequency, and second information about a second phase and a second magnitude, which are associated with a multiplied frequency of the first frequency, from the transmission signal and the reflection signal using the transceiver, and may determine a state of the electronic device based on the first information and the second information.

    Electronic device for transmitting or receiving wireless signal and method for controlling electronic device

    公开(公告)号:US11159252B2

    公开(公告)日:2021-10-26

    申请号:US16955938

    申请日:2018-12-06

    Abstract: An electronic device is disclosed and may comprise: an amplifier for amplifying a signal; a filter circuit for filtering the amplified signal; a coupler for delivering a feedback signal with respect to the filtered signal; an antenna for radiating the filtered signal to the outside; and a communication circuit for generating the signal, wherein communication circuit: generates a signal, using designated information; delivers the generated signal to the amplifier; acquires, from the coupler, a first feedback signal and a second feedback signal with respect to signals amplified by the amplifier; and determines whether there is an error in a signal transmitted to an external apparatus, on the basis of the designated information, magnitude information of the first feedback signal, and frequency information of the second feedback signal. In addition, various embodiments recognized through the specification are possible.

    Device and method for improving radiation performance of antenna using impedance tuning

    公开(公告)号:US11050446B2

    公开(公告)日:2021-06-29

    申请号:US16609680

    申请日:2018-03-27

    Abstract: An electronic device according to various embodiments of the present invention comprises: a transceiver; a power amplifier; at least one antenna; a coupler; a memory for storing reference phase information; and a processor. The processor may be configured to: transmit an output signal of a designated frequency band by using the transceiver; amplify the output signal by using the power amplifier, radiate the amplified output signal via the at least one antenna; acquire, via the coupler, the amplified output signal and a reflected signal that is the amplified output signal having been reflected from the at least one antenna; identify a reflection coefficient on the basis of the amplified output signal and the reflected signal; on the basis of phase information corresponding to the reflection coefficient, identify a difference value between the phase information corresponding to the reflection coefficient and reference phase information, among items of reference phase information, corresponding to the designated frequency band; and compensate for another output signal to be transmitted through the transceiver, at least on the basis of the difference value. In addition, various embodiments are possible.

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