Electronic device for performing impedance matching of antenna, and operation method of electronic device

Patent metadata

Field	Value
Publication number	US-2026005734-A1
Application number	US-202519319228-A
Country	US
Kind code	A1
Filing date	Sep 4, 2025
Priority date	Mar 9, 2023
Publication date	Jan 1, 2026
Grant date	—

Abstract

An electronic device electronic device is provided. The electronic device includes a first antenna, a second antenna, memory, comprising one or more storage media, storing instructions, and at least one communication processor communicatively coupled to the first antenna, the second antenna, and the memory, wherein the instructions, when executed by the at least one communication processor individually or collectively, cause the electronic device to during an operation in a mode in which data is transmitted to a cellular network via the first antenna and the second antenna, identify a number of uplink layers allocated by the cellular network to the electronic device, in case that the number of uplink layers allocated to the electronic device during a specified time satisfies a specified condition, change an operation mode related to impedance matching of at least one of the first antenna and the second antenna from a first mode for improving performance of at least one antenna to a second mode for reducing consumption of an amplifier electrically connected to the at least one antenna, and perform the impedance matching of the at least one antenna in the second mode.

First claim

What is claimed is:

1 . An electronic device, comprising:
a first antenna; a second antenna; memory, comprising one or more storage media, storing instructions; and at least one communication processor communicatively coupled to the first antenna, the second antenna, and the memory, wherein the instructions, when executed by the at least one communication processor individually or collectively, cause the electronic device to:
during an operation in a mode in which data is transmitted to a cellular network via the first antenna and the second antenna, identify a number of uplink layers allocated by the cellular network to the electronic device,
in case that the number of uplink layers allocated to the electronic device during a specified time satisfies a specified condition, change an operation mode related to impedance matching of at least one of the first antenna and the second antenna from a first mode for improving performance of at least one antenna to a second mode for reducing power consumption of an amplifier electrically connected to the at least one antenna, and
perform impedance matching of the at least one antenna in the second mode.

2 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one communication processor individually or collectively, further cause the electronic device to:
select an antenna that exhibits higher performance among the first antenna and the second antenna; and perform impedance matching of the selected antenna in the second mode.

3 . The electronic device of claim 1 , wherein the specified condition comprises a condition that the number of uplink layers allocated to the electronic device is less than or equal to a specified value.

4 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one communication processor individually or collectively, further cause the electronic device to:
in case that the number of the uplink layers does not satisfy the specified condition, maintain the operation mode related to impedance matching of the first antenna and the second antenna as the first mode.

5 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one communication processor individually or collectively, further cause the electronic device to:
in case that a temperature of at least a portion of the electronic device is increased after performing impedance matching of the at least one antenna in the second mode, change an operation mode related to impedance matching of the other antenna from the first mode to the second mode; and perform impedance matching of the other antenna in the second mode.

6 . The electronic device of claim 5 , wherein the instructions, when executed by the at least one communication processor individually or collectively, further cause the electronic device to, in case that a temperature of at least a portion of the electronic device is increased after performing impedance matching of the first antenna and the second antenna in the second mode, release a connection to the cellular network via first cellular communication and establish a connection to the cellular network via second cellular communication.

7 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one communication processor individually or collectively, further cause the electronic device to:
after performing impedance matching of the at least one antenna in the second mode, maintain a mode in which data is transmitted to a first cellular network via the first antenna and the second antenna.

8 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one communication processor individually or collectively, further cause the electronic device to:
in case that a temperature of at least a portion of the electronic device is decreased after performing impedance matching of the at least one in the second mode, change the operation mode related to impedance matching of the at least one antenna from the second mode to the first mode; and perform impedance matching of the at least one antenna in the first mode.

9 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one communication processor individually or collectively, further cause the electronic device to:
decrease a bias voltage applied to the amplifier electrically connected to the at least one antenna in the second mode; and perform impedance matching of the at least one antenna after the bias voltage is decreased.

10 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one communication processor individually or collectively, further cause the electronic device to:
in case that a size of data transmitted to the cellular network is greater than or equal to a specified size, identify whether the number of uplink layers allocated to the electronic device during the specified time satisfies the specified condition.

11 . A method of operating an electronic device, the method comprising:
during an operation in a mode in which data is transmitted to a cellular network via a first antenna and a second antenna, identifying a number of uplink layers allocated by the cellular network to the electronic device; in case that the number of uplink layers allocated to the electronic device during a specified time satisfies a specified condition, changing an operation mode related to impedance matching of at least one of the first antenna and the second antenna from a first mode for improving performance of at least one antenna to a second mode for reducing power consumption of an amplifier electrically connected to the at least one antenna; and performing impedance matching of the at least one antenna in the second mode.

12 . The method of claim 11 , further comprising:
selecting an antenna that exhibits higher performance among the first antenna and the second antenna; and performing impedance matching of the selected antenna in the second mode.

13 . The method of claim 11 , wherein the specified condition comprises a condition that the number of uplink layers allocated to the electronic device is less than or equal to a specified value.

14 . The method of claim 11 , further comprising:
in case that the number of uplink layers does not satisfy the specified condition, maintaining the operation mode related to impedance matching of the first antenna and the second antenna as the first mode.

15 . The method of claim 11 , further comprising:
in case that a temperature of at least a portion of the electronic device is increased after performing impedance matching of the at least one antenna in the second mode, changing an operation mode related to impedance matching of the other antenna from the first mode to the second mode; and performing impedance matching of the other antenna in the second mode.

16 . The method of claim 11 , further comprising:
in case that a temperature of at least a portion of the electronic device is increased after performing impedance matching of the first antenna and the second antenna in the second mode, releasing a connection to the cellular network via first cellular communication and establish a connection to the cellular network via second cellular communication.

17 . The method of claim 11 , further comprising:
after performing impedance matching of the at least one antenna in the second mode, maintaining a mode in which data is transmitted to a first cell

Assignees

• Samsung Electronics Co Ltd

Inventors

• Cho Woosik
• Shin Seungshik
• Hong Sukgi

Classifications

• H03F3/19

  with semiconductor devices only · CPC title

• H01Q1/246

  specially adapted for base stations · CPC title

• H01Q1/002

  Protection against seismic waves, thermal radiation or other disturbances, e.g. nuclear explosion; Arrangements for improving the power handling capability of an antenna · CPC title

• H01Q5/50

  Feeding or matching arrangements for broad-band or multi-band operation · CPC title

• H04B7/0413 Primary

  MIMO systems · CPC title