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EP-4738721-A1 - ELECTRONIC DEVICE FOR CHANGING TRANSMITTING ANTENNA AND OPERATION METHOD THEREOF

EP4738721A1EP 4738721 A1EP4738721 A1EP 4738721A1EP-4738721-A1

Abstract

According to one embodiment, an electronic device may comprise a plurality of antennas including a first antenna and a second antenna. The electronic device may comprise at least one processor. The electronic device may comprise memory for storing instructions. The instructions, when executed by the at least one processor, may cause the electronic device, while the electronic device performs communication using the first antenna, on the basis that the first antenna is set as a transmission antenna, to identify that a first condition for changing the transmission antenna is satisfied, the first condition being based being based on reception strength difference between a first reception strength associated with the first antenna and a second reception strength associated with the second antenna and/or a maximum transmission power value difference between a maximum value of first transmission power associated with the first antenna and a maximum value of second transmission power associated with the second antenna. The instructions, when executed by the at least one processor, may cause the electronic device, on the basis of the first condition being satisfied, to identify whether a second condition is satisfied, the second condition being that a period during which back-off is not implemented for the maximum transmission power associated with the second antenna exceeds a threshold period. The instructions, when executed by the at least one processor, may cause the electronic device, on the basis of the second condition being satisfied, to change the transmission antenna from the first antenna to the second antenna. Other various embodiments are possible.

Inventors

  • CHA, Jaemoon
  • KIM, DOHUN
  • JANG, Kyujae
  • LEE, SEONGJU
  • Jung, Euichang

Assignees

  • Samsung Electronics Co., Ltd.

Dates

Publication Date
20260506
Application Date
20240614

Claims (15)

  1. An electronic device (101) comprising: a plurality of antennas comprising a first antenna (521) and a second antenna (522); at least one processor (120; 212, 214; 260; 501); and memory storing instructions, wherein the instructions, when executed by the at least one processor (120; 212, 214; 260; 501), cause the electronic device (101) to: while the electronic device (101) performs communication using the first antenna (521) of the electronic device (101) based on the first antenna (521) being set as a transmission antenna, identify that a first condition for changing the transmission antenna is satisfied, the first condition being based on reception strength difference between a first reception strength associated with the first antenna (521) and a second reception strength associated with the second antenna (522) and/or a maximum transmission power value difference between a maximum value of first transmission power associated with the first antenna (521) and a maximum value of second transmission power associated with the second antenna (522); based on satisfaction of the first condition, identify whether a second condition is satisfied, the second condition being that a period during which back off is not performed on the maximum value of transmission power associated with the second antenna (522) exceeds a threshold period; and based on satisfaction of the second condition, change the transmission antenna from the first antenna (521) to the second antenna (522).
  2. The electronic device (101) of claim 1, wherein the instructions, when executed by the at least one processor (120; 212, 214; 260; 501), cause the electronic device (101) to, based on the second condition being not satisfied, maintain the transmission antenna as the first antenna (521).
  3. The electronic device (101) of claim 1, wherein the instructions, when executed by the at least one processor (120; 212, 214; 260; 501), cause the electronic device (101) to, based on the second condition being not satisfied, change the transmission antenna from the first antenna (521) to the second antenna (522) based on a modulation/demodulation scheme of the electronic device (101) being a predefined modulation/demodulation scheme, or maintain the transmission antenna as the first antenna (521) based on the modulation/demodulation scheme of the electronic device (101) being not the predefined modulation/demodulation scheme.
  4. The electronic device (101) of claim 1, wherein the instructions, when executed by the at least one processor (120; 212, 214; 260; 501), cause the electronic device (101) to, as at least part of changing the transmission antenna from the first antenna (521) to the second antenna (522) based on satisfaction of the second condition, based on identifying the satisfaction of the second condition and identifying that a modulation/demodulation scheme of the electronic device (101) is a predefined modulation/demodulation scheme, change the transmission antenna from the first antenna (521) to the second antenna (522).
  5. The electronic device (101) of claim 1, wherein the instructions, when executed by the at least one processor (120; 212, 214; 260; 501), cause the electronic device (101) to, based on the second condition being not satisfied, change the transmission antenna from the first antenna (521) to the second antenna (522) based on the reception strength difference exceeding a difference threshold, or maintain the transmission antenna as the first antenna (521) based on the reception strength difference not exceeding the difference threshold.
  6. The electronic device (101) of claim 1, wherein the instructions, when executed by the at least one processor (120; 212, 214; 260; 501), cause the electronic device (101) to, based on identifying the satisfaction of the second condition and identifying that the reception strength difference exceeds a difference threshold, change the transmission antenna from the first antenna (521) to the second antenna (522).
  7. The electronic device (101) of claim 1, wherein the instructions, when executed by the at least one processor (120; 212, 214; 260; 501), cause the electronic device (101) to, based on the second condition being not satisfied, change the transmission antenna from the first antenna (521) to the second antenna (522) based on a back off size corresponding to the second antenna (522) being less than or equal to a threshold back off size, or maintain the transmission antenna as the first antenna (521) based on the back off size corresponding to the second antenna (522) not being less than or equal to the threshold back off size.
  8. The electronic device (101) of claim 1, wherein the instructions, when executed by the at least one processor (120; 212, 214; 260; 501), cause the electronic device (101) to, based on identifying the satisfaction of the second condition and identifying that a back off size corresponding to the second antenna (522) is less than or equal to a threshold back off size, change the transmission antenna from the first antenna (521) to the second antenna (522).
  9. The electronic device (101) of any one of claims 1 to 8, wherein the first condition is that a sum of the reception strength difference and the maximum transmission power value difference exceeds a threshold size.
  10. The electronic device (101) of any one of claims 1 to 8, wherein the first condition is that the maximum transmission power value difference exceeds a threshold size.
  11. A storage medium storing at least one computer-readable instruction, wherein the at least one instruction, when executed by at least one processor (120; 212,214; 260; 501) of an electronic device (101), causes the electronic device (101) to: based on a first antenna (521) of the electronic device (101) being set as a transmission antenna, while the electronic device (101) performs communication using the first antenna (521) of the electronic device (101), identify that a first condition for changing the transmission antenna is satisfied, based on a reception strength difference between a first reception strength associated with the first antenna (521) and a second reception strength associated with a second antenna (522) of the electronic device (101), and/or a transmission power maximum value difference between a maximum value of a first transmission power associated with the first antenna (521) and a maximum value of a second transmission power associated with the second antenna (522); based on satisfaction of the first condition, identify whether a second condition is satisfied, the second condition being that a period during which back-off is not performed on the maximum value of the transmission power associated with the second antenna (522) exceeds a threshold period; and based on the second condition being satisfied, change the transmission antenna from the first antenna (521) to the second antenna (522).
  12. The storage medium of claim 11, wherein the instructions, when executed by the at least one processor (120; 212,214; 260; 501), cause the electronic device (101) to, based on the second condition not being satisfied, maintain the transmission antenna as the first antenna (521).
  13. The storage medium of claim 11, wherein the instructions, when executed by the at least one processor (120; 212,214; 260; 501), cause the electronic device (101) to, based on the second condition not being satisfied, change the transmission antenna from the first antenna (521) to the second antenna (522) based on a modulation/demodulation scheme of the electronic device (101) being a designated modulation/demodulation scheme, or maintain the transmission antenna as the first antenna (521) based on the modulation/demodulation scheme of the electronic device (101) not being the designated modulation/demodulation scheme.
  14. The storage medium of claim 11, wherein the instructions, when executed by the at least one processor (120; 212,214; 260; 501), cause the electronic device (101), as at least part of changing the transmission antenna from the first antenna (521) to the second antenna (522) based on the second condition being satisfied, to change the transmission antenna from the first antenna (521) to the second antenna (522) based on identifying that the second condition is satisfied and identifying that a modulation/demodulation scheme of the electronic device (101) is a designated modulation/demodulation scheme.
  15. The storage medium of claim 11, wherein the instructions, when executed by the at least one processor (120; 212,214; 260; 501), cause the electronic device (101), based on the second condition not being satisfied, to, change the transmission antenna from the first antenna (521) to the second antenna (522) based on the reception strength difference exceeding a difference threshold, or maintain the transmission antenna as the first antenna (521) based on the reception strength difference not exceeding the difference threshold.

Description

[Technical Field] Various embodiments of the disclosure relate to an electronic device changing a transmission antenna and a method for operating the same. [Background Art] A user equipment (UE) may transmit electromagnetic waves to transmit/receive data to/from a base station. Electromagnetic waves radiated from the UE may harm the human body, and various domestic or foreign organizations attempt to restrict the harmful electromagnetic waves. For example, the specific absorption rate (SAR) is a value indicating how much electromagnetic radiation from a mobile communication terminal is absorbed by the human body. SAR uses the unit of KW/g (or mW/g), which may mean the amount of power (KW, W or mW) absorbed per 1g of the human body. As the issue of harmfulness of electromagnetic waves attracts attention, SAR limit standards for mobile communication terminals have been established. [Detailed Description of the Invention] [Technical Solution] According to an embodiment, an electronic device may include a plurality of antennas including a first antenna and a second antenna. The electronic device may comprise at least one processor. The electronic device may comprise memory storing instructions. The instructions may, when executed by the at least one processor, cause the electronic device, based on the first antenna being set as a transmission antenna, while the electronic device performs communication using the first antenna of the electronic device, to identify that a first condition for changing the transmission antenna is satisfied, based on a reception strength difference between a first reception strength associated with the first antenna and a second reception strength associated with the second antenna, and/or a transmission power maximum value difference between a maximum value of a first transmission power associated with the first antenna and a maximum value of a second transmission power associated with the second antenna. The instructions may, when executed by the at least one processor, cause the electronic device, based on satisfaction of the first condition, to identify whether a second condition is satisfied, the second condition being that a period during which back-off is not performed on the maximum value of the transmission power associated with the second antenna exceeds a threshold period. The instructions may, when executed by the at least one processor, cause the electronic device, based on the second condition being satisfied, to change the transmission antenna from the first antenna to the second antenna. According to an embodiment, there may be provided a computer-readable storage medium storing at least one instruction. The instructions may, when executed by the at least one processor, cause the electronic device, based on the first antenna being set as a transmission antenna, while the electronic device performs communication using the first antenna of the electronic device, to identify that a first condition for changing the transmission antenna is satisfied, based on a reception strength difference between a first reception strength associated with the first antenna and a second reception strength associated with the second antenna, and/or a transmission power maximum value difference between a maximum value of a first transmission power associated with the first antenna and a maximum value of a second transmission power associated with the second antenna. The instructions may, when executed by the at least one processor, cause the electronic device, based on satisfaction of the first condition, to identify whether a second condition is satisfied, the second condition being that a period during which back-off is not performed on the maximum value of the transmission power associated with the second antenna exceeds a threshold period. The instructions may, when executed by the at least one processor, cause the electronic device, based on the second condition being satisfied, to change the transmission antenna from the first antenna to the second antenna. According to an embodiment, an operation method of an electronic device including a first antenna and a second antenna may include, based on the first antenna being set as a transmission antenna, while the electronic device performs communication using the first antenna of the electronic device, identifying that a first condition for changing the transmission antenna is satisfied, based on a reception strength difference between a first reception strength associated with the first antenna and a second reception strength associated with the second antenna, and/or a transmission power maximum value difference between a maximum value of a first transmission power associated with the first antenna and a maximum value of a second transmission power associated with the second antenna. The operation method may include, based on satisfaction of the first condition, identifying whether a second condition is satisfied, the second condition b