Electronic device transmitting uplink signal and operating method thereof
An electronic device is provided. The electronic device includes a processor and an RF device, the processor configured to identify transmission powers respectively corresponding to a plurality of messages, identify the maximum output power of the electronic device on the basis of its state, control the RF device to, when at least one first transmission power corresponding to at least one first message of the plurality of messages is less than the maximum output power, provide a first RF signal having the maximum output power for transmission of the at least one first message, and control the RF device to, when at least one second transmission power corresponding to at least one second message of the plurality of messages is less than the maximum output power, provide a second RF signal having a power greater than the maximum output power for transmission of the at least one second message.
1 . An electronic device, comprising:
at least one radio frequency (RF) device,
memory storing instructions; and
at least one processor communicatively coupled to the at least one RF device and the memory,
wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to:
identify an allowable output power of the electronic device that is reduced from a maximum output power of the electronic device according to an occurrence of a specific absorption rate (SAR) event,
identify message types to be transmitted among a first type of messages type and a second types of messages,
control, in case that a first transmission power determined for transmitting the first type of messages is larger than the allowable output power, the at least one RF device to provide a first RF signal having the allowable output power to transmit at least one message of the first type while the SAR event is occurring, and
control, in case that a second transmission power determined for transmitting the second type of messages is larger than the allowable output power, the at least one RF device to provide a second RF signal having a power larger than the allowable output power, to transmit at least one message of the second type while the SAR event is occurring.
2 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor individually or collectively, further cause the electronic device to, as at least part of identifying the allowable output power of the electronic device based on a state of the electronic device, identify a minimum value among a user equipment (UE) maximum output power set for the electronic device and at least one output power respectively corresponding to at least one event identified based on the state of the electronic device, as the allowable output power.
3 . The electronic device of claim 2 , wherein the instructions, when executed by the at least one processor individually or collectively, further cause the electronic device to, as at least part of controlling, in case that the second transmission power is larger than the allowable output power, the at least one RF device to provide the second RF signal having the power larger than the allowable output power, to transmit the at least one message of the second type,
control, in case that at least part of the at least one event are identified, the at least one RF device to provide the second RF signal having a smaller power among the UE maximum output power and the second transmission power.
4 . The electronic device of claim 2 , wherein the instructions, when executed by the at least one processor individually or collectively, further cause the electronic device to, as at least part of controlling, in case that the first transmission power is larger than the allowable output power, the at least one RF device to provide the first RF signal having the allowable output power, to transmit the at least one message of the first type,
control, in case that at least part of the at least one event are identified, the at least one RF device to provide the second RF signal having a smaller power among the UE maximum output power and output power corresponding to the at least part of the at least one event and the first transmission power.
5 . The electronic device of claim 1 , wherein the instructions, when executed by the at least one processor individually or collectively, further cause the electronic device to, as at least part of controlling, in case that the second transmission power is larger than the allowable output power, the at least one RF device to provide the second RF signal having the power larger than the allowable output power, to transmit the at least one message of the second type,
determine a transmission power of the second RF signal such that an accumulated specific absorption rate (SAR) value predicted for a designated period satisfies a designated value or less, and
control the at least one RF device to provide the second RF signal having the determined transmission power.
6 . The electronic device of claim 1 ,
wherein the instructions, when executed by the at least one processor individually or collectively, further cause the electronic device to identify a trigger for transmitting a random access channel (RACH) preamble included in the at least one message of the second type, and
wherein the instructions, when executed by the at least one processor individually or collectively, further cause the electronic device to, as at least part of controlling, in case that the second transmission power is smaller than the allowable output power, the at least one RF device to provide the second RF signal having the power larger than the allowable output power, to transmit the at least one message of the second type:
identify a transmission power of a physical RACH (PRACH) for transmitting the RACH preamble as the second transmission power based on identifying the trigger, and
control, in case that the transmission power of the PRACH is smaller than the allowable output power, the at least one RF device to provide the second RF signal having the power larger than the allowable output power, to transmit the RACH preamble.
7 . The electronic device of claim 1 ,
wherein the instructions, when executed by the at least one processor individually or collectively, further cause the electronic device to identify a trigger for transmitting a signaling radio bearer (SRB)-based message included in the at least one message of the second type, and
wherein the instructions, when executed by the at least one processor individually or collectively, further cause the electronic device to, as at least part of controlling, in case that the second transmission power is larger than the allowable output power, the at least one RF device to provide the second RF signal having the power larger than the allowable output power, to transmit the at least one message of the second type:
identify a transmission power for transmitting the SRB-based message as the second transmission power based on identifying the trigger, and
control, in case that the transmission power for transmitting the SRB-based message is smaller than the allowable output power, the at least one RF device to provide the second RF signal having the power larger than the allowable output power, to transmit the SRB-based message.
8 . A method for operating an electronic device including at least one radio frequency (RF) device, the method comprising:
identifying an allowable output power of the electronic device that is reduced from a maximum output power of the electronic device according to an occurrence of a specific absorption rate (SAR) event;
identifying message types to be transmitted among a first type of messages type and a second types of messages;
controlling, in case that a first transmission power the first type of messages is larger than the allowable output power, the at least one RF device to provide a first RF signal having the allowable output power, to transmit at least one message of the first type while the SAR event is occurring; and
controlling, in case that a second transmission power determined for transmitting the second type of messages is larger than the allowable output power, the at least one RF device to provide a second RF signal having a power larger than the allowable output power, to transmit at least one message of the second type while the SAR event is occurring.
9 . The method of claim 8 , wherein the identifying of the allowable output power of the electronic device based on a state of the electronic device comprises:
identifying a minimum value among a user equipment (UE) maximum output power set for the electronic device and at least one output power respectively corresponding to at least one event identified based on the state of the electronic device, as the allowable output power.
10 . The method of claim 9 , wherein the controlling, in case that the second transmission power is larger than the allowable output power, the at least one RF device to provide the second RF signal having the power larger than the allowable output power, to transmit the at least one message of the second type comprises:
controlling the at least one RF device to provide the second RF signal having a smaller power among the UE maximum output power and the second transmission power in case that at least part of the at least one event are identified.
11 . The method of claim 9 , wherein the controlling, in case that the first transmission power is larger than the allowable output power, the at least one RF device to provide the first RF signal having the allowable output power, to transmit the at least one message of the first type comprises:
controlling the at least one RF device to provide the second RF signal having a smaller power among the UE maximum output power and output power corresponding to at least part of the at least one event and the first transmission power, in case that at least part of the at least one event are identified.
12 . The method of claim 8 , wherein the controlling, in case that the second transmission power is larger than the maximum output power, the at least one RF device to provide the second RF signal having the power larger than the allowable output power, to transmit the at least one message of the second type comprises:
determining a transmission power of the second RF signal such that an accumulated SAR value predicted for a designated period satisfies a designated value or less, and
controlling the at least one RF device to provide the second RF signal having the determined transmission power.
13 . The method of claim 8 ,
wherein the method further comprises identifying a trigger for transmitting an random access channel (RACH) preamble included in the at least one message of the second type, and
wherein the controlling, in case that the second transmission power is larger than the allowable output power, the at least one RF device to provide the second RF signal having the power larger than the allowable output power, to transmit the at least one message of the second type comprises:
identifying a transmission power of a physical RACH (PRACH) for transmitting the RACH preamble as the second transmission power based on identifying the trigger, and
controlling, in case that the transmission power of the PRACH is smaller than the allowable output power, the at least one RF device to provide the second RF signal having the power larger than the allowable output power, to transmit the RACH preamble.
14 . The method of claim 8 , wherein the method further comprises identifying a trigger for transmitting a signaling radio bearer (SRB)-based message included in the at least one message of the second type, and
wherein the controlling, in case that the second transmission power is larger than the allowable output power, the at least one RF device to provide the second RF signal having the power larger than the allowable output power, to transmit the at least one message of the second type comprises:
identifying a transmission power for transmitting the SRB-based message as the second transmission power based on identifying the trigger, and
controlling, in case that the transmission power for transmitting the SRB-based message is smaller than the allowable output power, the at least one RF device to provide the second RF signal having the power larger than the allowable output power, to transmit the SRB-based message.
15 . A non-transitory computer-readable storage media recorded with computer-executable instructions that, when executable by executed by one or more processors of an electronic device individually or collectively, the electronic device including at least one radio frequency (RF) device, cause the electronic device to perform operations, the operations comprising:
identifying an allowable output power of the electronic device that is reduced from a maximum output power of the electronic device according to an occurrence of a specific absorption rate (SAR) event;
identifying message types to be transmitted among a first type of messages type and a second types of messages;
controlling, in case that a first transmission power determined for transmitting the first type of messages is larger than the allowable output power, the at least one RF device to provide a first RF signal having the allowable output power, to transmit at least one message of the first type while the SAR event is occurring; and
controlling, in case that a second transmission power the second type of messages is than the allowable output power, the at least one RF device to provide a second RF signal having a power larger than the allowable output power, to transmit at least one message of the second type while the SAR event is occurring.
16 . The non-transitory computer-readable storage media of claim 15 , wherein the identifying of the allowable output power of the electronic device based on a state of the electronic device comprises:
identifying a minimum value among a user equipment (UE) maximum output power set for the electronic device and at least one output power respectively corresponding to at least one event identified based on the state of the electronic device, as the allowable output power.
17 . The non-transitory computer-readable storage media of claim 16 , wherein the controlling, in case that the second transmission power is larger than the allowable output power, the at least one RF device to provide the second RF signal having the power larger than the allowable output power, to transmit the at least one message of the second type comprises:
controlling the at least one RF device to provide the second RF signal having a smaller power among the UE maximum output power and the second transmission power in case that at least part of the at least one event are identified.
18 . The non-transitory computer-readable storage media of claim 16 , wherein the controlling, in case that the first transmission power is larger than the allowable output power, the at least one RF device to provide the first RF signal having the allowable output power, to transmit the at least one message of the first type comprises:
controlling the at least one RF device to provide the second RF signal having a smaller power among the UE maximum output power and output power corresponding to at least part of the at least one event and the first transmission power, in case that at least part of the at least one event are identified.