Method for controlling antenna configuration in electronic device comprising plurality of antennas, and electronic device supporting same

Patent metadata

Field	Value
Publication number	US-2025227629-A1
Application number	US-202519091462-A
Country	US
Kind code	A1
Filing date	Mar 26, 2025
Priority date	Sep 26, 2022
Publication date	Jul 10, 2025
Grant date	—

Abstract

An electronic device may comprise: a plurality of antennas; antenna tuning circuitry connected to at least one antenna among the plurality of antennas; RF circuitry connected to the at least one antenna tuning circuit; at least one communication processor, comprising processing circuitry, operatively connected to the RF circuitry; and memory storing instructions, wherein the instructions, when executed by at least one communication processor, individually and/or collectively, cause the electronic device to: determine an impedance variation of the at least one antenna connected to the antenna tuning circuitry; based on the determined impedance variation, identify a tune code scenario among a plurality of specified tune code scenarios; check the maximum transmit power of the at least one antenna, corresponding to the identified tune code scenario; and determine a transmit power less than the maximum transmit power, and control the RF circuitry to transmit an RF signal with the determined transmit power.

First claim

What is claimed is:

1 . An electronic device, comprising:
a plurality of antennas; antenna tuning circuitry connected to at least one antenna among the plurality of antennas; RF circuitry connected to the antenna tuning circuitry; at least one communication processor, comprising processing circuitry, operatively connected to the RF circuitry; and memory storing instructions that, when executed by at least one communication processor, individually and/or collectively, cause the electronic device to: determine an impedance change in at least one antenna connected to the antenna tuning circuitry among the plurality of antennas; based on the determined impedance change, identify a tune code scenario among a plurality of specified tune code scenarios; identify a maximum transmission power of the at least one antenna corresponding to the identified tune code scenario; and determine a transmission power less than the maximum transmission power and control the RF circuitry to transmit an RF signal with the determined transmission power.

2 . The electronic device of claim 1 , wherein the identified tune code scenario includes a tune code for impedance matching of the at least one antenna and a ground logic for controlling an antenna beam radiated by the at least one antenna.

3 . The electronic device of claim 1 , wherein the maximum transmission power of the at least one antenna is determined based on a specific absorption rate (SAR) value measured based on an antenna beam radiated by the at least one antenna corresponding one of the plurality of tune code scenarios.

4 . The electronic device of claim 1 , wherein the instructions, when executed by at least one communication processor, individually and/or collectively, cause the electronic device to determine a transmission power less than a first maximum transmission power as the transmission power of the at least one antenna based on a tune code corresponding to the identified tune code scenario being a first tune code.

5 . The electronic device of claim 1 , wherein the instructions, when executed by at least one communication processor, individually and/or collectively, cause the electronic device to determine a transmission power less than a second maximum transmission power as the transmission power of the at least one antenna based on a tune code corresponding to the determined tune code scenario being a second tune code.

6 . The electronic device of claim 1 , wherein the second maximum transmission power is determined to have a value greater than the first maximum transmission power.

7 . The electronic device of claim 1 , wherein the first maximum transmission power is determined to have a value between 18 dBm and 20 dBm.

8 . The electronic device of claim 1 , wherein the second maximum transmission power is determined to have a value between 21 dBm and 24 dBm.

9 . The electronic device of claim 1 , wherein the instructions, when executed by at least one communication processor, individually and/or collectively, cause the electronic device to determine a transmission power less than a first maximum transmission power as the transmission power of the at least one antenna based on a tune code corresponding to the identified tune code scenario being a first tune and a ground logic corresponding to the identified tune code scenario being a first logic.

10 . The electronic device of claim 1 , wherein the instructions, when executed by at least one communication processor, individually and/or collectively, cause the electronic device to determine a transmission power less than a second maximum transmission power as the transmission power of the at least one antenna based on a tune code corresponding to the identified tune code scenario being a first tune code and a ground logic corresponding to the identified tune code scenario being a second logic.

11 . A method for controlling a configuration of an antenna in an electronic device including a plurality of antennas, the method comprising:
determining an impedance change in at least one antenna connected to antenna tuning circuitry among the plurality of antennas; based on the measured impedance change, identifying a tune code scenario among a plurality of specified tune code scenarios; identifying a maximum transmission power of the at least one antenna corresponding to the identified tune code scenario; and determining a transmission power less than the maximum transmission power and controlling RF circuitry to transmit an RF signal with the determined transmission power.

12 . The method of claim 11 , wherein the identified tune code scenario includes a tune code for impedance matching of the at least one antenna and a ground logic for controlling an antenna beam radiated by the at least one antenna.

13 . The method of claim 11 , wherein the maximum transmission power of the at least one antenna is determined based on a specific absorption rate (SAR) value measured based on an antenna beam radiated by the at least one antenna corresponding one of the plurality of tune code scenarios.

14 . The method of claim 11 , further comprising determining a transmission power less than a first maximum transmission power as the transmission power of the at least one antenna based on a tune code corresponding to the identified tune code scenario being a first tune code.

15 . The method of claim 11 , further comprising determining a transmission power less than a second maximum transmission power as the transmission power of the at least one antenna based on a tune code corresponding to the identified tune code scenario being a second tune code.

16 . A non-transitory computer-readable recording medium storing instructions that, when executed by at least one processor of an electronic device, individually and/or collectively, cause the electronic device to:
determine an impedance change in at least one antenna connected to the antenna tuning circuitry among the plurality of antennas, based on the determined impedance change, identify a tune code scenario among a plurality of specified tune code scenarios, identify a maximum transmission power of the at least one antenna corresponding to the identified tune code scenario, and determine a transmission power less than the maximum transmission power and control the RF circuitry to transmit an RF signal with the determined transmission power.

17 . The recording medium of claim 16 , wherein the identified tune code scenario includes a tune code for impedance matching of the at least one antenna and a ground logic for controlling an antenna beam radiated by the at least one antenna.

18 . The recording medium of claim 16 , wherein the maximum transmission power of the at least one antenna is determined based on a specific absorption rate (SAR) value measured based on an antenna beam radiated by the at least one antenna corresponding one of the plurality of tune code scenarios.

19 . The recording medium of claim 16 , wherein the instructions, when executed by at least one communication processor, individually and/or collectively, cause the electronic device to determine a transmission power less than a first maximum transmission power as the transmission power of the at least one antenna based on a tune code corresponding to the identified tune code scenario being a first tune code.

20 . The recording medium of claim 16 , wherein the instructions, when executed by at least one communication processor, individually and/or collectively, cause the electro

Assignees

• Samsung Electronics Co Ltd

Inventors

• Heo Wonhyung
• Min Jungsik
• Kim Taeho
• Park Daehee
• Han Sanghyun

Classifications

• H01Q21/28

  Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} · CPC title

• H01Q1/22

  by structural association with other equipment or articles · CPC title

• H04W52/367

  Power values between minimum and maximum limits, e.g. dynamic range · CPC title

• H04W52/42 Primary

  in systems with time, space, frequency or polarisation diversity · CPC title

• H01Q3/36

  with variable phase-shifters · CPC title