Electronic device for performing SA query in WLAN system and operating method thereof
An electronic device includes a communication circuit configured to support a wireless local area network (LAN) communication method, and a processor configured to be operatively connected to the communication circuit where the processor is configured to establish communication with an external electronic device through the communication circuit, to acquire information related to an activation time point of the external electronic device, based on a management frame being received through the communication circuit, to identify an operating state of the external electronic device based on the information related to the activation time point of the external electronic device, and to transmit a request frame related to confirmation of a security state with the external electronic device based on the operating state of the external electronic device.
1. An electronic device comprising:
a communication circuit configured to support a wireless local area network (LAN) communication method;
a processor configured to be operatively connected to the communication circuit; and
a memory configured to store instructions which, when executed by the processor, cause the electronic device to:
establish, via the communication circuit, communication with an external electronic device,
acquire information related to an activation time point of the external electronic device from the external electronic device,
based on a management frame being received through the communication circuit, identify an operating state of the external electronic device based on the information related to the activation time point of the external electronic device,
if the operating state of the external electronic device is a doze state, limit transmission of a security association (SA) query request frame, and
if the operating state of the external electronic device is a wakeup state, transmit the SA query request frame to the external electronic device.
2. The electronic device of claim 1 , wherein the instructions, when executed by the processor, cause the electronic device to acquire the information related to the activation time point of the external electronic device based on configuration of a target wakeup time (TWT) session.
3. The electronic device of claim 1 , wherein the instructions, when executed by the processor, cause the electronic device to:
confirm identification information included in the management frame received through the communication circuit,
identify whether the management frame is related to the external electronic device based on the identification information, and
identify the operating state of the external electronic device based on the management frame being related to the external electronic device.
4. The electronic device of claim 1 , wherein the management frame is an association request frame, and the instructions, when executed by the processor, cause the electronic device to:
configure time information related to retransmission of the association request frame based on the activation time point of the external electronic device, and
transmit, via the communication circuit, an association response frame including the time information related to the retransmission of the association request frame.
5. The electronic device of claim 1 , wherein based on a response frame corresponding to the SA query request frame being received from the external electronic device, the instructions, when executed by the processor, cause the electronic device to discard the management frame.
6. The electronic device of claim 1 , wherein based on a response frame corresponding to the SA query request frame not being received from the external electronic device, the instructions, when executed by the processor, cause the electronic device to periodically transmit the SA query request frame to the external electronic device for a designated time.
7. The electronic device of claim 6 , wherein based on the response frame corresponding to the SA query request frame not being received from the external electronic device for the designated time, the instructions, when executed by the processor, cause the electronic device to perform a function corresponding to the management frame.
8. The electronic device of claim 1 , wherein the instructions, when executed by the processor, cause the electronic device to obtain a transmission time point of the SA query request frame based on the information related to the activation time point of the external electronic device and transmit the SA query request frame based on the obtained transmission time point.
9. The electronic device of claim 1 , wherein the management frame is a dissociation association request frame received from an external device different from the external electronic device, and
wherein based on the dissociation association request frame being received from the external device, the instructions, when executed by the processor, cause the electronic device to obtain a transmission time point of the SA query request frame based on the information related to the activation time point of the external electronic device and transmit the SA query request frame based on the obtained transmission time point.
10. A method of operating an electronic device, the method comprising:
establishing communication with an external electronic device based on wireless local area network (LAN) communication,
acquiring information related to an activation time point of the external electronic device from the external electronic device,
based on a management frame being received, identifying an operating state of the external electronic device based on information related to the activation time point of the external electronic device,
if the operating state of the external electronic device is a doze state, limiting transmission of a security association (SA) query request frame, and
if the operating state of the external electronic device is a wakeup state, transmitting the SA query request frame to the external electronic device.
11. The method of claim 10 , wherein the acquiring of the information related to the activation time point of the external electronic device comprises acquiring the information related to the activation time point of the external electronic device based on configuration of a target wakeup time (TWT) session.
12. The method of claim 10 , wherein the identifying of the operating state of the external electronic device comprises:
confirming identification information included in the management frame,
identifying whether the management frame is related to the external electronic device based on the identification information, and
identifying the operating state of the external electronic device based on the management frame being related to the external electronic device.
13. The method of claim 12 , wherein the management frame is an association request frame received from an external device different from the external electronic device, and
wherein the method further comprises:
configuring time information related to retransmission of the association request frame based on the activation time point of the external electronic device, and
transmitting an association response frame including the time information related to the retransmission of the association request frame.
14. The method of claim 10 , further comprising:
discarding, based on a response frame corresponding to the SA query request frame being received from the external electronic device, the management frame, and
periodically transmitting, based on the response frame corresponding to the SA query request frame not being received from the external electronic device, the SA query request frame to the external electronic device for a designated time.
15. The method of claim 10 , further comprising, based on the response frame corresponding to the SA query request frame not being received from the external electronic device, periodically transmitting the SA query request frame to the external electronic device for a designated time.
16. The method of claim 14 , further comprising:
performing, based on the response frame corresponding to the SA query request frame not being received from the external electronic device for the designated time, a function corresponding to the management frame.
17. The method of claim 10 , wherein the management frame is a dissociation association request frame received from an external device different from the external electronic device,
wherein the method further comprises, based on the dissociation association request frame being received from the external device, obtaining a transmission time point of the SA query request frame based on the information related to the activation time point of the external electronic device, and
wherein the transmitting of the SA query request frame comprises transmitting the SA query request frame based on the obtained transmission time point.
18. A non-transitory computer-readable storage medium having recorded thereon a program for executing the method of claim 10 .