Method and device for power adjustment

Patent metadata

Field	Value
Publication number	US-2025184921-A1
Application number	US-202519048106-A
Country	US
Kind code	A1
Filing date	Feb 7, 2025
Priority date	Sep 19, 2022
Publication date	Jun 5, 2025
Grant date	—

Abstract

An electronic device of the present disclosure may transmit a signal according to a Tx duty set based on a time division duplex (TDD) band, calculate, based on a maximum transmission power value in which a time average SAR is reflected, a maximum power value output based on the signal being transmitted, check the occurrence of an event in the electronic device, set a maximum instantaneous power value corresponding to the event, compare the calculated maximum transmission power value with the set maximum instantaneous power value, and use a lower power value of the calculated maximum transmission power value and the set maximum instantaneous power value as the maximum power value capable of outputting at the Tx duty.

First claim

What is claimed is:

1 . An electronic device, comprising:
memory storing instructions; and at least one processor, comprising processing circuitry, wherein the instructions, when executed by at least one processor, cause the electronic device to:
transmit a signal according to a Tx duty which is set based on a time division duplex (TDD) band,
calculate a maximum power value output based on transmitting the signal based on a maximum transmission power value considering a time average SAR,
identify an occurrence of an event in the electronic device,
set a maximum instantaneous power value corresponding to the event, and
compare the calculated maximum transmission power value and the set maximum instantaneous power value to use a lower power value as a maximum power value capable of outputting at the Tx duty.

2 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to:
use the set maximum instantaneous power value as the maximum power value of the signal transmission based on the set maximum instantaneous power value being less than the calculated maximum transmission power value; and use the calculated maximum transmission power value as the maximum power value of the signal transmission based on the set maximum instantaneous power value being greater than or equal to the calculated maximum transmission power value.

3 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device further to:
clip the calculated maximum transmission power value to the set maximum instantaneous power value based on the set maximum instantaneous power value being less than the calculated maximum transmission power value.

4 . The electronic device of claim 1 , wherein the calculated maximum transmission power value is calculated as Plimit+10*log 10 (100/duty), and wherein Plimit is a power value based on the Tx duty being 100%, and the duty is a Tx duty value based on transmitting the signal.

5 . The electronic device of claim 1 , wherein the event occurs based on the calculated maximum transmission power value exceeding a power value appropriate for the electronic device to perform a specific operation.

6 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to:
compare the set maximum instantaneous power value and the maximum transmission power value calculated according to a value related to the Tx duty being changed.

7 . The electronic device of claim 1 , wherein the signal includes a signal transmitted based on a camera being executed simultaneously in the electronic device supporting TDD communication.

8 . The electronic device of claim 1 , wherein the signal includes a signal transmitted from a terminal supporting an SRS Tx.

9 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to:
identify a value for the Tx duty.

10 . A method of operating an electronic device, the method comprising:
transmitting a signal according to a Tx duty set based on a time division duplex (TDD) band; calculating a maximum power value output based on transmitting the signal based on a maximum transmission power value considering a time average SAR; identifying an occurrence of an event in the electronic device; setting a maximum instantaneous power value corresponding to the event; and comparing the calculated maximum transmission power value and the set maximum instantaneous power value, wherein a lower power value of the calculated maximum transmission power value and the set maximum instantaneous power value is used as a maximum power value capable of outputting at the Tx duty.

11 . The method of claim 10 , wherein for the maximum power value used for the signal transmission to block the occurrence of the event, the set maximum instantaneous power value is used as the maximum power value of the signal transmission based on the set maximum instantaneous power value being less than the calculated maximum transmission power value, and the calculated maximum transmission power value is used as the maximum power value of the signal transmission based on the set maximum instantaneous power value being greater than or equal to the calculated maximum transmission power value.

12 . The method of claim 10 , further comprising clipping the calculated maximum transmission power value to the set maximum instantaneous power value based on the set maximum instantaneous power value being less than the calculated maximum transmission power value.

13 . The method of claim 10 , wherein the calculated maximum transmission power value is calculated as Plimit+10*log 10 (100/duty), and wherein Plimit is a power value based on the Tx duty being 100%, and the duty is a Tx duty value based on transmitting the signal.

14 . The method of claim 10 , wherein the event occurs based on the calculated maximum transmission power value exceeding a power value appropriate for the electronic device to perform a specific operation.

15 . The method of claim 10 , further comprising:
identifying that a value related to the Tx duty is changed; and comparing the set maximum instantaneous power value and the maximum transmission power value calculated according to the changed Tx duty.

16 . The method of claim 10 , wherein the signal includes a signal transmitted based on a camera being executed simultaneously in the electronic device supporting TDD communication.

17 . The method of claim 10 , wherein the signal includes a signal transmitted from a terminal supporting an SRS Tx.

18 . The method of claim 10 , further comprising:
identifying a value for the Tx duty.

19 . A non-transitory computer readable storage medium storing instructions which, when executed by at least one processor of an electronic device, cause the electronic device to perform operations, the operations comprising:
transmitting a signal according to a Tx duty set based on a time division duplex (TDD) band; calculating a maximum power value output based on transmitting the signal based on a maximum transmission power value considering a time average SAR; identifying an occurrence of an event in the electronic device; setting a maximum instantaneous power value corresponding to the event; and comparing the calculated maximum transmission power value and the set maximum instantaneous power value, wherein a lower power value of the calculated maximum transmission power value and the set maximum instantaneous power value is used as a maximum power value capable of outputting at the Tx duty.

20 . The non-transitory computer readable storage medium of claim 19 , wherein for the maximum power value used for the signal transmission to block the occurrence of the event, the set maximum instantaneous power value is used as the maximum power value of the signal transmission based on the set maximum instantaneous power value being less than the calculated maximum transmission power value, and the calculated maximum transmission power value is used as the maximum power value of the signal transmission based on the set maximum instantaneous power value being greater than or equal to the calculated maximum transmission power value.

Assignees

• Samsung Electronics Co Ltd

Inventors

• Kang Youngjin
• Ghim Jaegon
• Son Byoungil
• An Sungchan
• Lee Dongjun
• Chae Kyumin
• Heo Wonhyung

Classifications

• H04W52/283

  Power depending on the position of the mobile · CPC title

• H04W52/225

  Calculation of statistics, e.g. average or variance · CPC title

• H04W52/226

  using past references to control power, e.g. look-up-table · CPC title

• H04W52/246

  where the output power of a terminal is based on a path parameter calculated in said terminal · CPC title

• H04W52/267

  taking into account the information rate · CPC title