公开(公告)号：US20210391926A1

公开(公告)日：2021-12-16

申请号：US17271277

申请日：2019-07-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngkwon LEE ,  Hyungjoon YU ,  Songsub CHA

IPC: H04B17/12 ,  H01Q1/24 ,  H04B17/10

Abstract: According to various embodiments, an electronic device may comprise: a housing; a wireless communication circuit positioned inside the housing so as to transmit/receive at least one radio frequency (RF) signal; multiple antennas positioned inside the housing or configured as parts of the housing and electrically connected to the wireless communication circuit; at least one processor operably connected to the wireless communication circuit; and a memory operably connected to the at least one processor. The memory may store a lookup table comprising a first set of antenna modes regarding at least some of the multiple antennas and a second set of antenna modes regarding at least some of the multiple antennas. In addition, the memory may store instructions that, when executed, cause the processor to: cause the wireless communication circuit to transmit a signal in a first antenna mode included in the first set; cause the wireless communication circuit to receive a reflective wave of the transmitted signal; acquire a measurement value of the received reflective wave; confirm whether or not the measurement value is included within at least one designated range; confirm a second antenna mode corresponding to the acquired measurement value, among the antenna modes included in the second set, if it is confirmed that the measurement value is included in at least one designated value; and cause the wireless communication circuit to transmit the signal in the second antenna mode. Other various embodiments are possible.

公开(公告)号：US20220085835A1

公开(公告)日：2022-03-17

申请号：US17532971

申请日：2021-11-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jongho PARK ,  Yongbin YOON ,  Hyunsoo KIM ,  Youngjun PARK ,  Hyangbok LEE ,  Hyungjoon YU ,  Youngkwon LEE

IPC: H04B1/04 ,  H04B17/10

Abstract: Various embodiments of an electronic device for matching an antenna impedance may include an antenna, a wireless communication module, an impedance matching module, and at least one processor, wherein the at least one processor is configured to: select a first index corresponding to an impedance of the antenna among a plurality of sampled indexes through a first measurement in which a tuning code of the impedance matching module is configured as a reference code; identify a use environment corresponding to the first index; select a second index corresponding to the impedance of the antenna among the plurality of sampled indexes through a second measurement in which the tuning code of the impedance matching module is configured as the reference code and as a ground code corresponding to the use environment; and adjust the impedance of the antenna based on a tuning code corresponding to the second index.

公开(公告)号：US20220201512A1

公开(公告)日：2022-06-23

申请号：US17557776

申请日：2021-12-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyungjoon YU ,  Hyunsung GO ,  Youngkwon LEE ,  Sungchan LEE ,  Sohee JANG

IPC: H04W24/04 ,  H04W36/00

Abstract: According to various embodiments, an electronic device may include: at least one antenna, and at least one processor, wherein the at least one processor is configured to: identify a first frequency for wireless communication through at least one of the at least one antenna, select, based on the first frequency, at least one first radio frequency (RF) path among multiple RF paths positioned between the at least one antenna and the processor, identify an error associated with the at least one first RF path, based on an error associated with the at least one first RF path being identified, stop using the at least one first RF path, and control a communication circuit positioned in at least one second RF path among the multiple RF paths such that a baseband signal is converted into an RF signal, wherein the RF signal is configured to be radiated outwards through at least one antenna corresponding to the at least one second RF path among the at least one antenna. Various other embodiments are also possible.

公开(公告)号：US20220150038A1

公开(公告)日：2022-05-12

申请号：US17584897

申请日：2022-01-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngkwon LEE ,  Myungjin KANG ,  Hyungjoon YU ,  Changhwa LEE ,  Sohee JANG

IPC: H04L5/00 ,  H04B1/00

Abstract: A method of operating an electronic device is provided. The method of operating an electronic device includes determining whether a multi-frequency band connection is established, when a result of the determination is that the multi-frequency band connection is established, identifying a frequency band transmitting control information from among connected multi-frequency bands, acquiring communication state information of the identified frequency band transmitting the control information, determining an antenna mode based on the acquired communication state information, and configuring at least one antenna based on the determined antenna mode.

公开(公告)号：US20220104148A1

公开(公告)日：2022-03-31

申请号：US17449345

申请日：2021-09-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngkwon LEE ,  Youngjun PARK ,  Hyungjoon YU ,  Hyoungjoo LEE ,  Jongho PARK

IPC: H04W52/32 ,  H04W52/36 ,  H04W52/24

Abstract: According to various embodiments, an electronic device may include: multiple antennas configured to support long-term evolution (LTE) communication and new radio (NR) communication; a memory configured to store association information between first multiple output powers used for the LTE communication and second multiple output powers used for the NR communication corresponding to the first multiple output powers respectively, and at least one processor, wherein the at least one processor is configured to: configure an LTE transmission power to be used for data transmission in a physical uplink shared channel (PUSCH) of the LTE communication, identify a first NR output power maximum value corresponding to the LTE transmission power based on the association information, identify a sounding reference signal (SRS) output power to be used for SRS transmission through at least one of the multiple antennas, and at least temporarily reduce the LTE transmission power based on the SRS output power being greater than the first NR output power maximum value.

公开(公告)号：US20240222875A1

公开(公告)日：2024-07-04

申请号：US18400658

申请日：2023-12-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunsung GO ,  Myungjin KANG ,  Youngjun PARK ,  Hyungjoon YU ,  Youngkwon LEE

IPC: H01Q13/10 ,  H04B17/318

CPC classification number: H01Q13/103 ,  H04B17/318

Abstract: According to an embodiment, an electronic device may include memory storing instructions, a plurality of antennas including a first antenna configured to transmit and receive radio frequency (RF) signals corresponding to a first radio access technology (RAT) and a second RAT, and a second antenna configured to receive RF signals corresponding to the first RAT and the second RAT, an RF circuit coupled to the plurality of antennas, and at least one communication processor, comprising processing circuitry, operatively coupled to the memory and the RF circuit. The instructions, when executed by at least one communication processor, individually and/or collectively, may cause the electronic device to: establish a first transmission channel connection based on the first RAT and a second transmission channel connection based on the second RAT using one of the plurality of antennas, identify whether a voice call based on the first RAT is executed, and operate in a first antenna tuning mode, based on an electric field based on the first RAT being equal to or greater than a first value, and operate in a second antenna tuning mode, based on the electric field based on the first RAT being less than the first value, during execution of the voice call. Based on the first antenna tuning mode being switched to the second antenna tuning mode according to a change in the electric field, a parameter associated with antenna sensitivity of the second transmission channel connection based on the second RAT may decrease.

公开(公告)号：US20240098800A1

公开(公告)日：2024-03-21

申请号：US18469233

申请日：2023-09-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngkwon LEE ,  Hyungjoon YU ,  Myungjin KANG ,  Jongho PARK ,  Jongphil LEE

IPC: H04W74/08 ,  H04W52/34 ,  H04W72/0453

CPC classification number: H04W74/0833 ,  H04W52/34 ,  H04W72/0453

Abstract: An example electronic device includes at least one sensor including a grip sensor, at least one antenna, a radio frequency (RF) circuit including at least one antenna tuning circuit connected to the at least one antenna, and at least one communication processor operatively connected to the RF circuit. The at least one communication processor is configured to, control the RF circuit to transmit a random access preamble signal based on first transmission power and a first tuning value, identify whether a random access response (RAR) signal is received via the RF circuit in response to the random access preamble signal, identify whether a set condition is satisfied, based on the RAR signal not being received, change a tuning value of the at least one antenna tuning circuit which corresponds to the grip sensor from the first tuning value to a second tuning value, based on the set condition being satisfied, and control the RF circuit to transmit the random access preamble signal based on the first transmission power or second transmission power and the second tuning value.

公开(公告)号：US20220225244A1

公开(公告)日：2022-07-14

申请号：US17647881

申请日：2022-01-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changhwa LEE ,  Sohee JANG ,  Hyungjoon YU ,  Youngkwon LEE

IPC: H04W52/30 ,  H04W52/42 ,  H01Q1/22 ,  H04B1/3827

Abstract: According to various embodiments, an electronic device may comprise: a memory, a communication processor, at least one radio frequency integrated circuit (RFIC), and a plurality of antennas each connected with the at least one RFIC. The communication processor may be configured to: identify a change in an antenna-related setting for the plurality of antennas, identify frequency band information corresponding to a signal being communicated through at least one antenna among the plurality of antennas, in response to the change in the antenna-related setting, identify, from the memory, a transmit power-related setting value set corresponding to the identified frequency band information and an event related to the communication processor, and control the electronic device to adjust a power of a transmission signal to be transmitted through at least one antenna among the plurality of antennas based on the identified transmit power-related setting value.

公开(公告)号：US20240430825A1

公开(公告)日：2024-12-26

申请号：US18748751

申请日：2024-06-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngkwon LEE ,  Hyungjoon YU ,  Myungjin KANG ,  Yongjun PARK ,  Jongphil LEE ,  Myoungjoon JEONG

IPC: H04W52/36 ,  H04W72/044 ,  H04W76/15

Abstract: A communication device is provided. The communication device includes first communication circuitry configured to perform first wireless communication with a first external device based on a first communication protocol, second communication circuitry configured to perform second wireless communication with a second external device based on a second communication protocol, memory storing one or more computer programs, and one or more application processors communicatively connected to the first communication circuitry, the second communication circuitry and the memory, wherein the one or more computer programs include computer-executable instructions that, when executed by the one or more application processors, causes the communication device to control the first communication circuitry and the second communication circuitry such that a sum of a first output power value output by the first communication circuitry during a predetermined time range and a second output power value output by the second communication circuitry during the predetermined time range does not exceed a preset total threshold.

公开(公告)号：US20240422657A1

公开(公告)日：2024-12-19

申请号：US18788767

申请日：2024-07-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngkwon LEE ,  Hyungjoon YU ,  Sanghyun LEE

IPC: H04W48/16 ,  H04W16/18

Abstract: An electronic device and an electronic device operating method are provided. The electronic device includes a digitally compensated crystal oscillator (DCXO) generating a reference clock for generating a signal having a reference frequency, a transceiver for supporting auto frequency control (AFC) performed so that the signal has a frequency of designated range, memory storing one or more computer programs; and one or more processors communicatively coupled to the DCXO, the transceiver, and the memory, wherein the one or more computer programs include computer-executable instructions that, when executed by the one or more processors individually or collectively, cause the electronic device to control the transceiver to search for a base station included in a network to which the electronic device is to be connected by changing the frequency of the signal within the designated range, enter, based on a failure of the search for the base station, a mode for changing the designated range, change the size of the designated range, and search for the base station again based on a signal having a frequency of the changed range.