Electronic device and method for setting, by electronic device, path of transmission signal

Patent metadata

Field	Value
Publication number	US-12556247-B2
Application number	US-202318115250-A
Country	US
Kind code	B2
Filing date	Feb 28, 2023
Priority date	Aug 31, 2020
Publication date	Feb 17, 2026
Grant date	Feb 17, 2026

Abstract

According to various embodiments, an electronic device comprises: a communication processor; at least one radio frequency integrated circuit (RFIC) connected to the communication processor; and a plurality of antennas, each of which is connected to the at least one RFIC through at least one radio frequency front-end (RFFE) circuit and configured to transmit a signal corresponding to at least one communication network, wherein the communication processor may identify information related to strength of a reception signal received through each of the plurality of antennas, identify the maximum transmittable power set corresponding to a transmission path for each of the plurality of antennas, and control the electronic device such that a transmission signal to be transmitted through at least one antenna selected from among the plurality of antennas at least based on the identified information related to the strength of the reception signal and maximum transmittable power.

First claim

What is claimed is:

1 . An electronic device comprising:
memory storing instructions; at least one processor including processing circuitry; at least one radio frequency integrated circuit (RFIC); a plurality of antennas including a first antenna and a second antenna, wherein the first antenna is connected to the at least one RFIC through a first signal path and the second antenna is connected to the at least one RFIC through a second signal path different from the first signal path, wherein the instructions, when executed by the at least one processor, cause the electronic device to: identify a strength of a first reception signal received through the first antenna over the first signal path, identify a strength of a second reception signal received through the second antenna over the second signal path, identify a first maximum transmittable power set corresponding to a first transmission signal to be sent over the first signal path for transmission by the first antenna, identify a second maximum transmittable power set corresponding to a second transmission signal to be sent over the second signal path for transmission by the second antenna, select a transmission path as one of the first signal path and the second signal path, based on the strength of the first reception signal, the strength of a second reception signal, the first maximum transmittable power, and the second maximum transmittable power, and transmit a transmission signal over the first signal path through the first antenna or over the second signal path through the second antenna that corresponds to the selected transmission path.

2 . The electronic device of claim 1 , wherein each of the first maximum transmittable power and the second maximum transmittable power is determined based on at least one of maximum transmission power set for each signal path of the electronic device, maximum transmission power received from a base station, or maximum transmission power based on a specific absorption rate (SAR) backoff event.

3 . The electronic device of claim 2 , wherein each of the first maximum transmittable power and the second maximum transmittable power is determined further based on additional maximum power reduction (A-MPR) or maximum power reduction (MPR) configured according to a modulation scheme and/or a resource block (RB).

4 . The electronic device of claim 1 , further comprising at least one switch configured to change signal,
wherein the instructions, when executed by the at least one processor, cause the electronic device to control the at least one switch to connect the selected transmission path.

5 . The electronic device of claim 1 , wherein the strength of the first reception signal and the strength of the second reception signal are selected from among reference signal received power (RSRP), received strength signal indicator (RSSI), reference signal received quality (RSRQ), received signal code power (RSCP), signal to noise ratio (SNR), or signal to interference plus noise ratio (SINR).

6 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to:
identify a first configured value of a first antenna tuning circuit corresponding to the first antenna, identify a second configured value of a second antenna tuning circuit corresponding to the second antenna, and select the transmission path further based on the first configured value and the second configured value.

7 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor, cause the electronic device to:
identify whether a specific absorption rate (SAR) backoff event has occurred, and based on occurrence of the SAR backoff event being identified, configure the selected transmission path based on power corresponding to the SAR backoff event.

8 . An electronic device comprising:
memory storing instructions; at least one processor including processing circuitry; at least one radio frequency integrated circuit (RFIC); a plurality of antennas including a first antenna and a second antenna, wherein the first antenna is connected to the at least one RFIC through a first signal path and the second antenna is connected to the at least one RFIC through a second signal path different from the first signal path, wherein the instructions, when executed by the at least one processor, cause the electronic device to: identify a strength of a first reception signal received through the first antenna over the first signal path, identify a strength of a second reception signal received through the second antenna over the second signal path, identify a first configured value of a first antenna tuning circuit corresponding to the first antenna, identify a second configured value of a second antenna tuning circuit corresponding to the second antenna, select a transmission path as one of the first signal path and the second signal path, based on the strength of the first reception signal, the strength of a second reception signal, the first configured value of the first antenna tuning circuit, and the second configured value of the second antenna tuning circuit, and transmit a transmission signal over the first signal path through the first antenna or over the second signal path through the second antenna that corresponds to the selected transmission path.

9 . The electronic device of claim 8 , wherein the first configured value of the first antenna tuning circuit is based on a configuration related to an imbalance state between the first transmission signal and the first reception signal and the second configured value of the second antenna tuning circuit is based on a configuration related to an imbalance state between the second transmission signal and the second reception signal.

10 . The electronic device of claim 9 , wherein the configuration related to the imbalance state comprises one selected from among a transmission-only configuration, a reception-only configuration, or a transmission/reception balanced configuration.

11 . The electronic device of claim 8 , comprising at least one switch configured to change signal paths,
wherein the instructions, when executed by the at least one processor, cause the electronic device to control the at least one switch to connect the selected transmission path.

12 . The electronic device of claim 8 , wherein the strength of the first reception signal and the strength of the second reception signal are selected from among reference signal received power (RSRP), received strength signal indicator (RSSI), reference signal received quality (RSRQ), received signal code power (RSCP), signal to noise ratio (SNR), or signal to interference plus noise ratio (SINR).

13 . The electronic device of claim 8 , wherein the instructions, when executed by the at least one processor, cause the electronic device to:
identify whether a specific absorption rate (SAR) backoff event has occurred, and based on occurrence of the SAR backoff event being identified, configure the selected transmission path based on power corresponding to the SAR backoff event.

14 . A method for an electronic device that includes a first antenna and a second antenna, wherein the first antenna is connected to the at least one radio frequency integrated circuit (RFIC) through a first signal path and the second antenna is connected to the at least one RFIC through a second signal path different from the first signal path, the method comprising:
identify a strength of a first reception signal received through the first antenna over the fi

Assignees

• Samsung Electronics Co Ltd

Inventors

• Cha Jaemoon
• Koo Jimin
• Park Jaewoo
• Lee Seongju
• Lee Yeonjoo
• Go Hyeyong
• Lim Yeongseob
• Jang Kyujae
• Cho Sungyoul

Classifications

• H04B17/328

  Reference signal received power [RSRP]; Reference signal received quality [RSRQ] · CPC title

• H04W52/367

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

• H04W52/245

  taking into account received signal strength · CPC title

• H04B1/3838

  Arrangements for reducing RF exposure to the user, e.g. by changing the shape of the transceiver while in use · CPC title

• H04B17/336

  Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR] · CPC title