公开(公告)号：US12218701B2

公开(公告)日：2025-02-04

申请号：US17673102

申请日：2022-02-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yongjun An ,  Namjun Cho

IPC: H04B1/40 ,  H03F3/19 ,  H03F3/21 ,  H04B1/04 ,  H04B1/10 ,  H04B17/12

Abstract: 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.

公开(公告)号：US11621677B2

公开(公告)日：2023-04-04

申请号：US17127064

申请日：2020-12-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyoseok Na ,  Jooseung Kim ,  Jihoon Kim ,  Sanghun Sim ,  Namjun Cho ,  Hyunseok Choi

IPC: H03F1/52 ,  H04B1/3827 ,  H03D7/00 ,  H03L7/099 ,  H03F3/24

Abstract: An apparatus and a method are provided for, in an electronic device which generates a reference signal having a reference frequency, mixes the reference signal to an input signal for transmission, and amplifies power, outputting a control signal for turning off amplifying the power, if a frequency of a signal acquired at an arbitrary point after generating the reference signal or mixing the signals before amplifying the power is out of a designated frequency band, thus preventing burnout of a power amplifier.

公开(公告)号：US11456714B2

公开(公告)日：2022-09-27

申请号：US17154264

申请日：2021-01-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyosung Lee ,  Namjun Cho ,  Hyoseok Na ,  Hanyeop Lee

IPC: H03F3/24 ,  H01Q1/24 ,  H01Q21/06 ,  H03F1/56 ,  H04B1/00 ,  H04B1/40

Abstract: Various embodiments relate to an apparatus and a method for processing a radio signal in an electronic device. The electronic device may include: a communication processor; and a power amplifier electrically connected to the communication processor, the power amplifier including a first switch, an input port, a first output port, and a second output port, the power amplifier further including a first amplification circuit disposed on a first electrical path between the input port and the first switch, a second amplification circuit disposed on a second electrical path between the first switch and the first output port, and a third amplification circuit disposed on a third electrical path between the first switch and the second output port.

公开(公告)号：US20210408669A1

公开(公告)日：2021-12-30

申请号：US17470734

申请日：2021-09-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Namjun Cho ,  Hyoseok Na ,  Yousung Lee

IPC: H01Q1/24 ,  H01Q1/22 ,  H01Q21/06 ,  H03F3/195 ,  H03F3/21 ,  H03F3/213 ,  H04B1/04 ,  H04B1/44

Abstract: 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.

公开(公告)号：US11095349B2

公开(公告)日：2021-08-17

申请号：US16905346

申请日：2020-06-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Namjun Cho

IPC: H04L5/12 ,  H04B7/06 ,  H01Q5/35 ,  H04B1/00 ,  H04B1/04 ,  H04B1/10

Abstract: An electronic device includes antennas, first radio frequency front ends (RFFEs) configured to pre-process a an RF signal having a frequency belonging to a first frequency band, second RFFEs connected to the antennas, respectively, wherein at least one of the second RFFEs is configured to pre-process an RF signal having a frequency belonging to a second frequency band different from the first frequency band, switches selectively connecting the first RFFEs to the respective antennas, a communication processor operatively coupled to the first RFFEs, the second RFFEs and the switches, and a memory storing instructions that, when executed, cause the processor to select a first antenna to support radio communication using the first frequency band among the antennas and control the switches to connect one of the first RFFEs to the first antenna and to open a connection between a remainder of the first RFFEs and a remainder of the antennas.

公开(公告)号：US20210044026A1

公开(公告)日：2021-02-11

申请号：US16985674

申请日：2020-08-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Namjun Cho ,  Hyoseok Na

IPC: H01Q21/00 ,  H01Q1/38 ,  H01Q21/24 ,  H04B7/0404 ,  H01Q1/24

Abstract: 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.

公开(公告)号：US20180076844A1

公开(公告)日：2018-03-15

申请号：US15671963

申请日：2017-08-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yong-Jun PARK ,  Namjun Cho

IPC: H04B1/3827 ,  H04W52/22 ,  H04W52/34 ,  H04W52/28 ,  H04W52/36

CPC classification number: H04B1/3838 ,  H04W52/225 ,  H04W52/226 ,  H04W52/228 ,  H04W52/267 ,  H04W52/283 ,  H04W52/34 ,  H04W52/367

Abstract: An electronic device includes a communication unit; a memory storing instructions; and a processor, coupled to the communication unit and memory, to execute instructions to determine, based on at least one of a state of the electronic device and a distance between the electronic device and a user, a value of specific absorption rate (SAR) corresponding to the value of SAR that corresponds to a power of the electronic device; determine, based on the SAR, an average SAR on a designated time interval; determine, in response to the average SAR being greater than a first designated value, a reference value limiting a maximum power of the electronic device; and transmit a signal based on the determined reference value through the communication unit, wherein the reference value includes a value obtained by subtracting a second designated value from a value of maximum output power of the electronic device.

公开(公告)号：US12176601B2

公开(公告)日：2024-12-24

申请号：US17702308

申请日：2022-03-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Namjun Cho ,  Hyoseok Na ,  Jihee Kang ,  Youngju Kim ,  Junghwan Son

IPC: H01Q1/24 ,  H01Q1/22 ,  H01Q21/06

Abstract: 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.

公开(公告)号：US12057907B2

公开(公告)日：2024-08-06

申请号：US17963540

申请日：2022-10-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Junghwan Son ,  Namjun Cho

IPC: H04B7/06 ,  H04B7/08 ,  H04B17/309

CPC classification number: H04B7/0617 ,  H04B7/08 ,  H04B17/309

Abstract: 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.

公开(公告)号：US11843398B2

公开(公告)日：2023-12-12

申请号：US17561101

申请日：2021-12-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunseok Choi ,  Jooseung Kim ,  Namjun Cho ,  Hyoseok Na

IPC: H04B1/04 ,  H03F3/24

CPC classification number: H04B1/04 ,  H03F3/245 ,  H03F2200/294 ,  H03F2200/451 ,  H04B2001/0408

Abstract: 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.