Electronic device for adjusting transmission power based on SAR and method for operating same

1. An electronic device comprising:

at least one antenna; and

at least one communication processor configured to support first network communication with a first network and second network communication with a second network different from the first network,

wherein the at least one communication processor is configured to:

identify a first cumulative SAR value based on radiation of a communication signal corresponding to the first network communication via a first part of the at least one antenna and a second cumulative SAR value based on radiation of a communication signal corresponding to the second network communication via a second part of the at least one antenna; and

based on identifying, based on the first cumulative SAR value and the second cumulative SAR value, that an entire cumulative SAR value during a designated time period including at least one future timepoint exceeds a threshold cumulative value, adjust one of a transmission intensity of a first communication signal corresponding to the first network communication or a transmission intensity of a second communication signal corresponding to the second network communication.

2. The electronic device of claim 1 , wherein the at least one communication processor is configured to:

identify multiple tables comprising information regarding SAR consumption values during the designated time period, respectively, the multiple tables corresponding to multiple future timepoints, respectively; and

adjust one of the transmission intensity of the first communication signal or the transmission intensity of the second communication signal, based on identifying that a table having a SAR consumption value during the designated time period exceeding the threshold cumulative value, among the multiple tables exists.

3. The electronic device of claim 2 , wherein the at least one communication processor is configured to:

identify, for each of the multiple tables, a summation of an cumulative SAR value regarding at least one past timepoint included in the multiple tables, a maximum SAR value corresponding to a current timepoint, and a predicted SAR value predicted to be consumed at least one future timepoint; and

identify whether a table having the summation exceeding the threshold cumulative value exists.

4. The electronic device of claim 2 , wherein the at least one communication processor is configured to:

discard an initial table among the multiple tables, based on identifying that a period of a designated timer expires;

perform an update regarding remaining tables; and

produce a new table,

wherein remaining tables are updated by shifting data regarding included multiple timepoints by the time of the period of the designated timer.

5. The electronic device of claim 1 , wherein the at least one communication processor is configured to:

identify whether to preferentially back off the second network communication among the first network communication and the second network communication; and

preferentially back off the transmission intensity of the second communication signal.

6. The electronic device of claim 5 , wherein the at least one communication processor is configured to:

back off the transmission intensity of the second communication signal, based on identifying that a threshold cumulative value is exceeded by a summation of the first cumulative SAR value, the second cumulative SAR value, a first predicted SAR value predicted to be consumed by the first network communication that is not backed off, and a second predicted SAR value predicted to be consumed by the second network communication that is backed off, during a designated time period at least one future timepoint.

7. The electronic device of claim 6 , wherein the at least one communication processor is configured to:

identify whether communication related to a designated application is being performed; and

determine the first predicted SAR value predicted to be consumed by the first network communication based on whether the communication related to the designated application is being performed.

8. The electronic device of claim 5 , wherein the at least one communication processor is configured to:

identify whether communication related to a designated application is being performed; and

determine an amount of backoff of the second network communication based on whether the communication related to the designated application is being performed.

9. The electronic device of claim 5 , wherein the first network communication is network communication supporting VoLTE.

10. The electronic device of claim 9 , wherein the at least one communication processor is configured to:

limit transmission of background data via the first network communication, based on predicting that an entire cumulative SAR value will exceed a threshold cumulative value of transmission of the first communication signal for the VoLTE during a designated time period at least one future timepoint.

11. The electronic device of claim 10 , wherein the at least one communication processor is configured to:

maintain transmission intensity of the first communication signal for at least a first period, based on limitation of transmission of the background data.

12. The electronic device of claim 5 , wherein the at least one communication processor is configured to:

back off the transmission intensity of the first communication signal, based on predicting, after backing off the transmission intensity of the second communication signal, that an entire cumulative SAR value will exceed a threshold cumulative value of transmission of the first communication signal that is not backed off, during a designated time period at least one future timepoint.

13. The electronic device of claim 12 , wherein the at least one communication processor is configured to:

identify multiple tables comprising information regarding SAR consumption values during the designated time period, respectively, the multiple tables corresponding to multiple future timepoints, respectively, after backing off the transmission intensity of the second communication signal; and

back off the transmission intensity of the first communication signal, based on identifying that a table having a SAR consumption value during the designated time period exceeding the threshold cumulative value, among the multiple tables exists.

14. The electronic device of claim 12 , wherein the at least one communication processor is configured to:

maintain or additionally back off the transmission intensity of the second communication signal, based on backing off the transmission intensity of the first communication signal.

15. An electronic device comprising:

at least one communication processor configured to support first network communication with a first network and second network communication with a second network different from the first network, wherein

the at least one communication processor is configured to:

receive, from a base station corresponding to the first network communication, a report condition instructing transmission of a communication signal from at least one peripheral base station corresponding to the second network communication;

identify that a communication signal from a first base station among peripheral base stations corresponding to the second network communication satisfies the report condition;

identify whether to perform a measurement report corresponding to the first base station, based on a first cumulative specific absorption rate (SAR) value based on radiation of a communication signal corresponding to the first network communication;

perform the first network communication for a designated time period at least one future timepoint using the first cumulative SAR value; and

based on predicting that an amount of predicted SAR predicted when the second network communication is performed together will exceed a threshold amount of accumulation, not perform the measurement report.

16. The electronic device of claim 15 , wherein the at least one communication processor is configured to:

perform the first network communication for a designated time period at least one future timepoint using the first cumulative SAR value and, based on predicting that the amount of predicted SAR predicted when the second network communication is performed together will not exceed a threshold amount of accumulation, perform the measurement report.

17. An electronic device comprising:

at least one antenna;

a Wi-Fi communication module comprising circuitry configured to perform Wi-Fi communication with an external electronic device; and

at least one communication processor configured to support first network communication with a first network and second network communication with a second network different from the first network, wherein

the at least one communication processor is configured to:

identify a first specific absorption rate (SAR) margin configured in the Wi-Fi communication module, based on activation of a Wi-Fi hot spot function using the Wi-Fi communication module;

identify a first cumulative SAR value based on radiation of a communication signal corresponding to the first network communication via a first part of the at least one antenna and a second cumulative SAR value based on radiation of a communication signal corresponding to the second network communication via a second part of the at least one antenna; and

determine a transmission intensity of the communication signal corresponding to the first network communication and a transmission intensity of the communication signal corresponding to the second network communication, based on the first cumulative SAR value, the second cumulative SAR value, and the first SAR margin.

18. The electronic device of claim 17 , wherein the at least one communication processor is configured to:

identify an amount of remaining SAR corresponding to a difference between an amount of consumed SAR consumed by the Wi-Fi communication module and the first SAR margin, at a designated cycle; and

determine the transmission intensity of the communication signal corresponding to the first network communication and the transmission intensity of the communication signal corresponding to the second network communication, based on the first cumulative SAR value, the second cumulative SAR value, the first SAR margin, and the amount of remaining SAR.