Samsung Electronics Co., Ltd.

Namjun Cho

Hyoseok Na

Jooseung Kim

Hyunseok Choi

Junghwan Son

Hyosung Lee

Hanyeop Lee

Jihee Kang

Yousung Lee

Jihoon Kim

Jongin Lee

Dongil Yang

Jonghun Yoo

Youngju Kim

Sanghun Sim

Donghyun Kim

Jiyong Kim

Geunwoo Kim

Yongjun An

Yong-Jun Park

Yohan Moon

Seonjun Kim

Ilpyo Hong

A mobile communication device includes a processor positioned on a first printed circuit board, a radio frequency integrated circuit (RFIC), and an antenna module. The antenna module includes a second printed circuit board, a first antenna and a second antenna positioned on the second printed circuit board, and a plurality of front-end chips positioned on the second printed circuit board. The plurality of front-end chips include a first front-end chip electrically connecting the RFIC and the first antenna, and a second front-end chip electrically connecting the RFIC and the second antenna.

Antenna module and electronic device for using the antenna module

According to various embodiment, an electronic device may include: a housing, a first substrate disposed in an inner space of the housing and including a first surface facing a first direction, a second surface facing a direction opposite to the first surface, and a first recess area at least partially corresponding to the first surface, a second substrate at least partially disposed in the first recess area of the first substrate, a third substrate at least partially disposed on one surface of the second substrate and including multiple antenna elements comprising at least one antenna, and a wireless communication circuit disposed on the second surface of the first substrate and electrically connected to the second substrate. The second substrate may include at least one matching circuit electrically connected to the wireless communication circuit corresponding to each of the multiple elements.

Electronic device including antenna

An electronic device may include an antenna, a power amplifier (PA) to transmit an output signal to the antenna through a signal path, a coupler to obtain a first signal coupled to the output signal and a second signal coupled to a reflection signal of the output signal reflected from the antenna, an equalizing module to generate a changed signal obtained by changing a strength and/or a phase of one signal of the first signal or the second signal, a differential circuit to generate a differential signal between a remaining one signal of the first signal or the second signal and the changed signal, and a controller to control transmitting of a radio signal, based on the differential signal. Moreover, various embodiment found through the disclosure are possible.

Electronic device for controlling wireless transmission and operating method thereof

An electronic device may include a low drop output regulator (LDO); a first DC-to-DC converter; an antenna module including an antenna array IC and an antenna array; a second DC-to-DC converter disposed outside the antenna module and supplying power to the low drop output regulator; a power generation circuit for supplying power to the first DC-to-DC converter and the second DC-to-DC converter; and a processor operatively coupled to the antenna module, the second DC-to-DC converter, and the power generation circuit.

Method and device for sharing DC-to-DC converter between antenna modules

According to various embodiments of the present disclosure, an electronic device may comprise: a transceiver; a power amplifier connected to the transceiver; a power source modulator configured to supply power to the power amplifier; at least one antenna connected to the power amplifier; and at least one processor operably connected to the transceiver, the power amplifier; and the power source modulator. The at least one processor may confirm whether the state of an uplink signal transmitted through the at least one antenna is a first state, and may control the power source modulator to add a first offset value to a voltage value of power supplied to the power amplifier from the power source modulator, based on the state of a downlink signal received to the transceiver being the first state.

Method for maintaining performance of transmission signal, and electronic device for performing same

Various embodiments of the disclosure relate to an electronic device including an antenna. An electronic device may include: a housing, a main substrate s disposed in an inner space of the housing and including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction, and an antenna module disposed on the main substrate, wherein the antenna module includes a first substrate disposed on the first surface of the main substrate and including at least one antenna, the main substrate including multiple through-holes, multiple antenna structures disposed to penetrate the multiple through-holes, respectively, and include at least one antenna element including at least one antenna spaced at a designated interval, and matching structure comprising impedance matching circuitry disposed on the first substrate and configured to match impedance for the at least one antenna element included in each of the multiple antenna structures.

Antenna and electronic device including the same

Various embodiments of the disclosure relate to an electronic device including an antenna. The electronic device may include: a housing; a main board disposed in an internal space of the housing and including a first surface oriented in a first direction, a second surface facing a direction opposite the first direction, and a through hole; and an antenna module disposed on the main board. The antenna module may include: a board at least partially disposed in the through hole and including a plurality of antenna elements; and a wireless communication circuit configured to transmit and/or receive a wireless signal in a predetermined frequency band via the plurality of antenna elements, the wireless communication circuit disposed on the second surface of the main board.

Antenna and electronic device including same

An electronic device according to an embodiment includes: an antenna, a filter configured to pass a signal of a specific frequency band among signals transmitted and received through the antenna, and a processor configured to control the filter to pass the signal of the specific frequency band. The filter includes: a first substrate, a second substrate facing the first substrate, a first group of electrodes disposed inside the first substrate, a second group of electrodes disposed inside the second substrate, a first transducer electrode including a first group of lines, a second transducer electrode including a second group of lines disposed to alternate with the first group of lines, and a power supply configured to apply voltages to the first group of electrodes and the second group of electrodes. The processor is configured to cause at least one of the second group of lines to be separated from the first substrate, by controlling the power supply based on a frequency of a signal to be passed through the filter.

Electronic device comprising surface acoustic wave filter

An electronic device and method thereof of are provided to prevent burnout due to overcurrent. An electronic device includes a power amplifier configured to amplify a transmission signal; a battery configured to provide a bias voltage to the at least one power amplifier; and an overcurrent protection circuit configured to prevent overcurrent from flowing through the power amplifier. The overcurrent protection circuit includes a configurer configured to configure a reference current value, based on the power amplifier; a measurer configured to measure a bias current value due to the bias voltage; a comparator configured to compare the measured bias current value with the reference current value; and a controller configured to recognize overcurrent flowing through the power amplifier and control provision of the bias voltage, based on a result of the comparison.

Protection circuit in electronic device and method therefor

An electronic device includes a first antenna facing a first direction, a second antenna facing a second direction, and at least one processor configured to obtain a first value indicating a quality of a first signal received via a beam formed by using the first antenna and a second value indicating a quality of a second signal received via a beam formed by using the second antenna; based on identifying that a value from among the first value and the second value is greater than or equal to a reference value, enable both the first antenna and the second antenna; based on identifying that the first value is less than the reference value and is greater than or equal to the second value, enable the first antenna; and based on identifying that the second value is less than the reference value and is greater than the first value, enable the second antenna.

Electronic device and method for controlling antennas facing different directions

According to various embodiments, an electronic device may comprise a communication processor; an intermediate frequency integrated circuit (IFIC) to convert a baseband signal received from the communication processor into an intermediate frequency (IF) signal; a radio frequency integrated circuit (RFIC) convert the received IF signal into a first radio frequency (RF) signal; an ultra-wideband (UWB) integrated circuit (IC) generating a UWB signal corresponding to a first frequency; at least one UWB antenna to transmit/receive the UWB signal corresponding to the first frequency; and at least one first switch connected between the UWB IC and the UWB antenna. The at least one first switch may be controlled so that the UWB signal corresponding to the first frequency, generated by the UWB IC, is transmitted to the RFIC in a state in which a communication operation, for a signal transmitted/received from the communication processor, by the RFIC is inactivated.

Electronic device and method for transmitting UWB signal in electronic device

An electronic device includes a network monitor configured to acquire network environment information related to a radio frequency (RF) transmission signal; a transceiver configured to generate an envelope signal of the RF transmission signal; a transmission (Tx) module including a power amplifier for receiving the RF transmission signal from the transceiver and amplifying the RF transmission signal; and an envelope tracking (ET) modulator configured to receive the envelope signal from the transceiver and to provide a bias of a power amplifier to correspond to the envelope signal, wherein the ET modulator determines a magnitude of the bias of the power amplifier based on the network environment information acquired by the network monitor.

Electronic device and wireless communication system thereof

A portable communication device including a processor positioned in a first PCB, a communication circuit; and an antenna module. The antenna module includes a second PCB, an antenna array positioned in the second PCB, wherein the antenna array includes a plurality of antennas, a plurality of PAs, a plurality of LNAs, wherein the plurality of LNAs is greater than the plurality of PAs, a first transmission-reception circuit positioned in the second PCB, and a first reception circuit positioned in the second PCB.

Antenna module and electronic device using the same

Disclosed is a voltage protection circuit for preventing power amplifier burnout in an electronic device. The electronic device includes a power amplifier (PA) configured to amplify a transmission signal, a switch configured to set a path of a signal outputted from the PA, a bias control circuit configured to control the supply of a bias current driving the PA, and a voltage protection circuit configured to provide a main control signal for turning off the PA earlier than turning off the switch based on a battery voltage providing a driving power of the electronic device, and forward the main control signal to the bias control circuit, wherein, in response to receiving the main control signal instructing to turn off the PA from the voltage protection circuit, the bias control unit stops the supply of the bias current driving the PA.

Voltage protection circuit to prevent power amplifier burnout, and electronic device having the same

A method and an apparatus for processing signals through Radio Frequency (RF) chains are provided. The electronic device includes a processor, a transceiver including a plurality of RF chains, a plurality of switches electrically connected to the plurality of RF chains, a first antenna array including a plurality of first antenna elements electrically connected to the plurality of switches, and a second antenna array including a plurality of second antenna elements electrically connected to the plurality of switches.

Growing community of inventors

Suwon-si, South Korea

Namjun Cho