Samsung Electronics Co., Ltd.

Hyundai Motor Company

Kia Motors Corporation

Hyundai Autron Company Ltd.

Dongju Lee

Suho Jin

Jaeho Kim

Bongsup Son

Wonjin Choi

Jiwoo Lee

Jongyeon Kim

Seokkun Hyung

Jinwoo Park

Jaeyung Yeo

Dasom Lee

Younghyun Kim

Gajin Song

Jonghyun Lee

Inho Kim

Cheolwoo Park

Sanghyun Kim

Suneung Park

Sangbum Lee

Janghoon Lee

Taekwang Um

Dongyeoul Lee

ChoongSeob Park

Yongmin Kwon

Duseok Kim

Kyoungsun Lee

Jihoon Jang

Hyeok Shin Kwon

Hyeok Min Kwon

Sijun Lee

Myoung Kwan Kim

Deok Joo Lee

Seunghyuk Kim

SangHyun Jang

Dahyun Choi

An electronic device may include at least one communication processor, an RFIC, at least one power amplifier, and at least one converter, the at least one communication processor is configured to identify at least one first driving voltage corresponding to at least one first transmission power of at least one first RF signal, control a first converter corresponding to a first power amplifier among the at least one converter, so that the at least one first driving voltage is applied to the first power amplifier corresponding to the at least one first RF signal among the at least one power amplifier, identify at least one second driving voltage corresponding to the at least one first transmission power of the at least one first RF signal, control the first converter so that the at least one second driving voltage is applied to the first power amplifier.

Electronic device for transmitting RF signal and operation method thereof

A method of controlling power supply for amplifying a radio frequency (RF) signal includes: determining whether a power supply mode for supplying power from a power modulator of a communication apparatus to an amplifier for amplifying the RF signal is an envelope tracking (ET) mode for supplying power based on ET of the RF signal; when the power supply mode is the ET mode, determining whether a downlink block error rate in the ET mode and a downlink modulation method in the ET mode satisfy a first condition; when the first condition is satisfied, determining whether a full resource block (RB) in an uplink band is allocated to uplink data transmission; and when the full RB in the uplink band is allocated to uplink data transmission, switching the power supply mode to an average power tracking (APT) mode for supplying power based on average power of the RF signal.

Method of controlling power supply for amplifying radio frequency signal and communication apparatus for performing the same

An electronic device may comprise antenna, low-noise amplifier, radio frequency integrated circuit (RFIC), and communication. The communication processor may be configured to identify a low-noise amplifier for amplifying a first RF signal and a low-noise amplifier for amplifying a second RF signal, based on the low-noise amplifier for amplifying the first RF signal differing from the low-noise amplifier for amplifying the second RF signal, set a first gain of the low-noise amplifier for amplifying the first RF signal, set a second gain of the low-noise amplifier for amplifying the second RF signal, based on the low-noise amplifier for amplifying the first RF signal being identical to the low-noise amplifier for amplifying the second RF signal, set a third gain of a low-noise amplifier of amplifying the first RF signal and the second RF signal.

Electronic device supporting communication based on a plurality of frequency bands and method for operating the same

An electronic device may include: at least one communication processor, an RFIC, at least one power amplifier, and at least one converter and wherein the at least one communication processor is configured to: set a driving voltage, to be applied to a first power amplifier for amplifying a first RF signal provided from the RFIC among the at least one power amplifier, to be a first voltage, based on an APT mode, control at least part of the at least one converter to provide a first voltage, set based on the APT mode, to the first power amplifier during a transmission period of the first RF signal, and control at least part of the at least one converter to provide the first voltage to the first power amplifier during at least partial period of a remaining period in which no RF signal is transmitted, based on the occurrence of an event associated with audible noise.

Electronic device for transmitting radio-frequency signal and method for operating same

An electronic device may include a housing including a first conductive portion, a second conductive portion electrically isolated from the first conductive portion, and a third conductive portion electrically isolated from the first conductive portion and the second conductive portion, a first wireless communication circuit disposed in the space and to transmit or receive a first signal and a second signal, which have a frequency in a first frequency range, through Multiple Input Multiple Output (MIMO) using the first conductive portion and the second conductive portion, respectively, and a second wireless communication circuit disposed in the space and transmit or receive a third signal and a fourth signal having a frequency in a second frequency range through Carrier Aggregation (CA) using the third conductive portion and the conductive pattern, respectively.

Electronic apparatus for transmitting signals through plurality of antennas, and structure therefor

A light source module includes a light-emitting cell, a wiring structure provided on the light-emitting cell and connected to the light-emitting cell, a support structure that is apart from the light-emitting cell with the wiring structure therebetween in a vertical direction, a printed circuit board (PCB) that is apart from the wiring structure with the support substrate therebetween in the vertical direction and overlapping the light-emitting cell in the vertical direction, and at least one insulating film that is apart from the wiring structure in the vertical direction and covering at least one of a first surface of the support substrate, which faces the wiring structure, and a second surface of the support substrate, which faces the PCB.

Light source module including light-emitting diode

Various embodiments of the disclosure relate to a 5generation (5G) or pre-5G communication system for supporting a data transfer rate higher than that of a 4generation (4G) communication system such as LTE (long term evolution). An operating method of an electronic device according to various embodiments may include: receiving a reference signal from a base station via a plurality of antennas; acquiring path loss values respectively corresponding to the antennas, based on the reference signal; determining at least two antennas among the antennas, based on frequency band information received from the base station; acquiring a ratio for the path loss values corresponding to the determined at least two antennas; and transmitting a signal via the at least two antennas, based on the acquired ratio.

Apparatus and method for determining transmission power in wireless communication system

An electronic device according to an embodiment disclosed in the disclosure includes a housing, a plurality of antennas positioned at mutually different areas of the housing, respectively, a wireless communication circuitry to transmit a diversity signal using the plurality of antennas, a processor operatively connected with the wireless communication circuitry, and a memory operatively connected with the processor to store instructions.

Electronic device for sweeping antenna phase

An electronic device and user situation-adaptive location-based information service method therewith is provided. The location-based information service method of the present disclosure includes receiving, at the electronic device, an information service request; checking, upon receipt of the information service request, location information; retrieving first information associated with the location information; and determining a situation of a user of the electronic device in association with the location information based on the first information.

Electronic device and location-based information service method therewith

Disclosed is a method for controlling an alternator of a vehicle that can change a Pulse Width Modulation (PWM) duty cycle change rate to reach a target PWM duty cycle after completion of an initial engine stabilization. According to the method, PWM duty cycle is increased using an initial rate received from an ECU to prevent an engine overload from occurring when a current PWM duty cycle is less than a predetermined reference duty cycle. When the current PWM duty cycle becomes higher than the predetermined reference duty cycle, PWM duty cycle change rate can be adjusted to flexibly suppress engine RPM fluctuation and vibration in real time and to improve a response speed of an alternator output voltage.

Apparatus and method for controlling alternator of vehicle

In various example embodiments, an electronic device includes a communication module comprising communication circuitry, a memory, and a processor. The communication module is configured to receive access point (AP) information from each of a plurality of AP devices. The processor is configured to receive, from the AP information, a strength value of a signal and a unique value of the AP device that transmits the signal, and to processes the AP information, based on the strength value of the signal and the unique value of the AP device. Also, the processor is configured to create an AP list as information for indicating a location of the electronic device, based on a result of processing the AP information, and to store the created AP list in the memory. The processor is configured to determine whether the AP information satisfies a condition for performing a predefined function with regard to the AP list stored in the memory, and to perform the predefined function if the condition is satisfied.

Method for recognizing location and electronic device implementing the same

An electronic device includes an interface unit that communicates with an external device in wireless or wired communication, a resonance sensor unit that detects a frequency resonance signal of the external device, and a controller that detects at least one input from the external device through the resonance sensor unit, determines an audio input or output activation state of the electronic device in response to the communication connection state with the external device, and controls an audio input or output operation of the electronic device based on the detection of the at least one input and the determination of the audio input/output activation state.

Electronic device and method for controlling audio input/output

Growing community of inventors

Suwon-si, South Korea

Dongju Lee