IP Library Granted Patent US 12,647,900
Granted Patent B2
US 12,647,900 · App. 17/970,875 · Granted Jun 2, 2026

Method and electronic device for adjusting transmission power of signal

Inventor: Wansang Ryu (Suwon-si, KR)
Assignee: Samsung Electronics Co., Ltd.
H04W52/18
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Quick Facts
Patent No.
US 12,647,900
App. No.
17/970,875
Granted
Jun 2, 2026
Kind
B2
Abstract

An electronic device is provided. The electronic device includes a transceiver module supporting at least one communication method and a processor operatively connected to the transceiver module. The processor may identify an output state of a signal corresponding to the at least one communication method through the transceiver module, may detect a signal output level corresponding to the at least one communication method of the signal being output, may identify use pattern information corresponding to the at least one communication method through the transceiver module, and may adjust a transmission power value corresponding to the at least one communication method based on the detected signal output level and the use pattern information.

Claims (59)

1 . An electronic device comprising:

a transceiver supporting at least one communication method;

memory, comprising one or more storage media, storing instructions; and

one or more processors communicatively coupled to the transceiver and the memory,

wherein the instructions, when executed by the one or more processors individually or collectively, cause the electronic device to:

identify an output state of a signal corresponding to the at least one communication method through the transceiver,

detect a signal output level corresponding to the at least one communication method,

identify use pattern information corresponding to the at least one communication method through the transceiver,

identify a reference value for satisfying an electromagnetic wave limiting condition,

determine a first communication reference value corresponding to a first communication method and a second communication reference value corresponding to a second communication method, based on the reference value and the use pattern information, and

determine a first transmission power value corresponding to the first communication method and a second transmission power value corresponding to the second communication method based on the detected signal output level, the first communication reference value, and the second communication reference value, and

wherein the use pattern information includes a ratio of communication performed via the at least one communication method among a plurality of communication methods supported by the electronic device.

2 . The electronic device of claim 1 , wherein the instructions, when executed by the one or more processors individually or collectively, further cause the electronic device to supply a transmission power value corresponding to the at least one communication method while satisfying the electromagnetic wave limiting condition.

3 . The electronic device of claim 2 , wherein the instructions, when executed by the one or more processors individually or collectively, further cause the electronic device to:

determine the transmission power value corresponding to the at least one communication method, based on the identified reference value.

4 . The electronic device of claim 3 , wherein the instructions, when executed by the one or more processors individually or collectively, further cause the electronic device to:

supply the first transmission power value to a first transceiver corresponding to the first communication method,

transmit a first communication signal based on the first transmission power value through a first antenna of the first transceiver,

supply the second transmission power value to a second transceiver corresponding to the second communication method, and

transmit a second communication signal based on the second transmission power value through a second antenna of the second transceiver.

5 . The electronic device of claim 3 , wherein the instructions, when executed by the one or more processors individually or collectively, further cause the electronic device to:

check an isolation distance between a first antenna and a second antenna transmitting a signal, based on the first communication method, and

configure at least one of the first transmission power value or the second transmission power value to be low when a specific absorption rate (SAR) to peak location separation ratio (SPLSR) calculated by using the checked isolation distance is greater than a threshold value.

6 . The electronic device of claim 1 , wherein the instructions, when executed by the one or more processors individually or collectively, further cause the electronic device to:

identify a use ratio corresponding to the at least one communication method based on the identified signal output state, and

adjust a transmission power value corresponding to the at least one communication method, based on the identified use ratio.

7 . The electronic device of claim 1 , wherein the instructions, when executed by the one or more processors individually or collectively, further cause the electronic device to:

identify an electric field situation based on the detected signal output level, and

adjust a transmission power value corresponding to the at least one communication method, based on the identified electric field situation.

8 . The electronic device of claim 7 , wherein the instructions, when executed by the one or more processors individually or collectively, further cause the electronic device to maintain the transmission power value based on a communication method being in a weak electric field state, based on the at least one communication method.

9 . The electronic device of claim 1 , wherein the transceiver comprises a long term evolution (LTE) transceiver supporting LTE communication, a WiFi transceiver supporting WiFi communication, and a Bluetooth (BT) transceiver supporting BT communication.

10 . The electronic device of claim 1 ,

wherein the ratio of the communication comprises at least one of a ratio of time used, a ratio of an amount of data used, or a ratio of frequency of use based on the at least one communication method.

11 . The electronic device of claim 1 , wherein the use pattern information includes information in which a time for which a long term evolution (LTE) is activated, a time for which a WiFi is activated, and a time for which a Bluetooth (BT) is activated.

12 . A method comprising:

identifying an output state of a signal corresponding to at least one communication method by using a transceiver;

detecting a signal output level corresponding to the at least one communication method;

identifying use pattern information corresponding to the at least one communication method through the transceiver;

identifying a reference value for satisfying an electromagnetic wave limiting condition;

determining a first communication reference value corresponding to a first communication method and a second communication reference value corresponding to a second communication method, based on the reference value and the use pattern information; and

determining a first transmission power value corresponding to the first communication method and a second transmission power value corresponding to the second communication method, based on the detected signal output level, the first communication reference value, and the second communication reference value,

wherein the use pattern information includes a ratio of communication performed via the at least one communication method among a plurality of communication methods supported by an electronic device.

13 . The method of claim 12 , further comprising:

supplying a transmission power value corresponding to the at least one communication method while satisfying the electromagnetic wave limiting condition, based on the at least one communication method.

14 . The method of claim 13 , further comprising:

transmitting a first communication signal based on the first transmission power value through a first antenna of a first transceiver by supplying the first transmission power value to the first transceiver corresponding to the first communication method; and

transmitting a second communication signal based on the second transmission power value through a second antenna of a second transceiver by supplying the second transmission power value to the second transceiver corresponding to the second communication method.

15 . The method of claim 13 , further comprising:

checking an isolation distance between a first antenna and a second antenna transmitting a signal, based on a first communication method; and

configuring at least one of a first transmission power value or a second transmission power value to be low when an SAR to peak location separation ratio (SPLSR) calculated by using the checked isolation distance is greater than a threshold value,

wherein both the first antenna and the second antenna are LTE antennas in case the first communication method is a long-term evolution (LTE) communication method.

16 . The method of claim 12 , wherein the determining of the first transmission power value comprises:

identifying a use ratio corresponding to the at least one communication method, based on the identified signal output state; and

adjusting a transmission power value corresponding to the at least one communication method, based on the identified use ratio.

17 . The method of claim 12 , wherein the determining of the first transmission power value comprises:

identifying an electric field situation based on the detected signal output level; and

adjusting a transmission power value corresponding to the at least one communication method, based on the identified electric field situation.

18 . The method of claim 12 , wherein the at least one communication method corresponds to at least one of a long-term evolution (LTE) communication method, a WiFi communication method, or a Bluetooth (BT) communication method.

19 . The method of claim 12 , wherein the signal output level corresponding to the at least one communication method is detected based on a transmission power supplied through a battery.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 21, 2022
From: RYU, WANSANG
To: SAMSUNG ELECTRONICS CO., LTD.
Reel/Frame 061496/0201 →
Priority Claims (1)
KR 10-2021-0140962 · Oct 21, 2021 · national
Continuity (2)
Continuation PCTKR2022013623 · Sep 13, 2022
Related Publication 20230125685A1 · Apr 27, 2023
References Cited (30)
US 8706026B2 · Truong et al. · 2014 [cited by applicant]
US 8781437B2 · Ngai et al. · 2014 [cited by applicant]
US 9749878B2 · Zhu et al. · 2017 [cited by applicant]
US 10013038B2 · Mercer et al. · 2018 [cited by applicant]
US 10397817B2 · Yang et al. · 2019 [cited by applicant]
US 10420023B2 · Ramasamy et al. · 2019 [cited by applicant]
US 10965335B1 · Jadhav et al. · 2021 [cited by applicant]
US 11387860B2 · Jadhav et al. · 2022 [cited by applicant]
US 20120270519A1 · Ngai et al. · 2012 [cited by applicant]
US 20140307570A1 · Hong · 2014 [cited by examiner]
US 20170250718A1 · Choi · 2017 [cited by examiner]
US 20190215765A1 · Ramasamy · 2019 [cited by examiner]
US 20190372633A1 · Chang et al. · 2019 [cited by applicant]
US 20200383068A1 · Yang et al. · 2020 [cited by applicant]
US 20210051599A1 · Cha et al. · 2021 [cited by applicant]
US 20210051601A1 · Cha et al. · 2021 [cited by applicant]
US 20210314876A1 · Zhao et al. · 2021 [cited by applicant]
US 20220407573A1 · Dou · 2022 [cited by examiner]
CN 106452490A · 2017 [cited by applicant]
KR 101601244B1 · 2016 [cited by applicant]
KR 1020180096277A · 2018 [cited by applicant]
KR 1020210019814A · 2021 [cited by applicant]
KR 1020210020462A · 2021 [cited by applicant]
WO 2020125748A1 · 2020 [cited by applicant]
WO 2022045647A1 · 2022 [cited by applicant]
(WO 2020141852 A1), Lee et al., Device and Method for Controlling Transmission Power of Electronic Device in Wireless Communication System, Jul. 2020, pp. 1-26 (Year: 2020). [cited by examiner]
(CN 112584481 A), Jadhav et al., Wireless Device Performance Optimization Using Dynamic Power Control, Mar. 2021, pp. 1-17 (Year: 2021). [cited by examiner]
(WO 2016143422 A1), Sakata, Information Output Device, Information Output Method and Program, Sep. 2016, pp. 1-8 (Year: 2016). [cited by examiner]
International Search Report dated Dec. 20, 2022, issued in International Application No. PCT/KR2022/013623. [cited by applicant]
Korean Office Action dated Nov. 26, 2025, issued in Korean Patent Application No. 10-2021-0140962. [cited by applicant]