Electronic device and tethering connection establishment method thereof

1. An electronic device comprising:

a communication circuit comprising a plurality of communication interfaces comprising a first communication interface, a second communication interface, and a third communication interface;

a processor electrically connected to the plurality of communication interfaces; and

a memory electrically connected to the processor,

wherein the memory stores instructions that cause, when executed, the processor to:

receive, from an external electronic device, information related to the external electronic device through the first communication interface;

select a communication interface to be used for tethering from among the plurality of communication interfaces on the basis of at least some of the received information; and

perform a tethering connection with the external electronic device through the communication interface,

wherein the instructions comprise an instruction that causes, when selecting the communication interface to be used for the tethering, the processor to:

select the second communication interface from among the plurality of communication interfaces based on (1) at least one of a first battery level of the external electronic device or a second battery level of the electronic device being less than a first level and (2) a transmission rate of an external network connected with the external electronic device less than a first rate, and

select the third communication interface from among the plurality of communication interfaces based on (1) both of the first battery level of the external electronic device and the second battery level of the electronic device being equal to or more than the first level and (2) a transmission rate of the external network connected with the external electronic device being equal to or more than the first rate,

wherein the first battery level of the external electronic device and the transmission rate of the external network are included in the received information, and

wherein the first communication interface is a Bluetooth low energy (BLE) communication interface, the second communication interface is a Bluetooth (BT) communication interface, and the third communication interface is a Wi-Fi communication interface.

2. The electronic device of claim 1 , wherein the information related to the external electronic device comprises at least some of information related to a state of the external electronic device, information about tethering capability supported by the external electronic device, information related to the external network of the external electronic device, or combinations thereof.

3. The electronic device of claim 1 , wherein the instructions comprise an instruction that causes the processor to select the communication interface to be used for tethering from among the plurality of communication interfaces on the basis of at least some of information related to the external electronic device, information related to the electronic device, or combinations thereof.

4. The electronic device of claim 3 , wherein the information related to the electronic device comprises at least some of information related to a state of the electronic device, tethering capability information of the electronic device, a designated tethering usage time, a designated tethering usage location, information on a tethering-related application that is being executed in the electronic device, a tethering usage pattern based on a tethering usage history of the electronic device, or combinations thereof.

5. The electronic device of claim 1 , wherein the instructions comprise an instruction that causes the processor to:

determine whether or not the tethering connection is disconnected; and

when the tethering connection is disconnected, perform an automatic tethering connection through the first communication interface, among the plurality of communication interfaces.

6. The electronic device of claim 5 , wherein the instructions comprise an instruction that causes the processor to, when the tethering connection is disconnected, perform the automatic tethering connection through a most recently connected communication interface on the basis of a tethering communication history.

7. The electronic device of claim 1 , wherein the instructions comprise an instruction that causes the processor to:

determine whether or not a switching criterion for switching the type of tethering connection is satisfied during the tethering through the tethering connection;

when the switching criterion is satisfied, select another communication interface corresponding to the switching criterion from among the plurality of communication interfaces; and

interrupt the tethering connection and perform the tethering connection through the other selected communication interface.

8. The electronic device of claim 7 , wherein the switching criterion comprises at least one of, based on the received information, a change in the selection criterion of a communication interface to be used for tethering, a change in the designated tethering usage time, a change in the designated tethering usage location, a change in the information on a tethering-related application that is being executed in the electronic device, a change in the tethering usage pattern based on a tethering usage history of the electronic device, or combinations thereof.

9. A tethering connection method of an electronic device comprising a communication circuit comprising a plurality of communication interfaces comprising a first communication interface, a second communication interface, and a third communication interface, the method comprising:

receiving, from an external electronic device, information related to the external electronic device through the first communication interface;

selecting a communication interface to be used for tethering from among the plurality of communication interfaces on the basis of at least some of the received information; and

performing a tethering connection through the communication interface,

wherein selecting the communication interface comprises:

selecting the second communication interface from among the plurality of communication interfaces based on (1) at least one of a first battery level of the external electronic device or a second battery level of the electronic device being less than a first level and (2) transmission rate of an external network connected with the external electronic device less than a first rate, and

selecting the third communication interface from among the plurality of communication interfaces based on (1) both of the first battery level of the external electronic device and the second battery level of the electronic device being equal to or more than the first level and (2) transmission rate of the external network connected with the external electronic device being equal to or more than the first rate,

wherein the first battery level of the external electronic device and the transmission rate of the external network are included in the received information, and

wherein the first communication interface is a Bluetooth low energy (BLE) communication interface, the second communication interface is a Bluetooth (BT) communication interface, and the third communication interface is a Wi-Fi communication interface.

10. The method of claim 9 , further comprising selecting a communication interface to be used for the tethering from among the plurality of communication interfaces on the basis of at least some of information related to the external electronic device, information related to the electronic device, or a combination thereof.

11. The method of claim 9 , further comprising:

determining whether or not the tethering connection is disconnected; and

when the tethering connection is disconnected, performing an automatic tethering connection through the first communication interface, among the plurality of communication interfaces.

12. The method of claim 9 , further comprising:

determining whether or not a switching criterion for switching the type of tethering connection is satisfied during the tethering connection;

when the switching criterion is satisfied, selecting another communication interface corresponding to the switching criterion from among the plurality of communication interfaces; and

interrupting the tethering connection and performing the tethering connection through the other communication interface.