Electronic device for determining position of external electronic device and method thereof

1. A portable electronic device, comprising:

a communication circuit electrically connected to a first antenna or a third antenna and electrically connected to a second antenna;

a processor operatively connected with the communication circuit; and

a memory operatively connected with the processor,

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

receive, from an external electronic device, a first signal including first data using the first antenna and the second antenna,

receive, from the external electronic device, a second signal including second data using the third antenna, and

determine a position of the external electronic device based on a phase difference of the first signal, time information of the first data, and time information of the second data.

2. The portable electronic device of claim 1 , wherein the first antenna and the second antenna are located within a first distance of each other for performing beamforming on the first signal,

wherein the third antenna is spaced apart from the first antenna or the second antenna by a second distance, and

wherein the second distance is longer than the first distance.

3. The portable electronic device of claim 2 , wherein at least one of the first antenna, the second antenna, and the third antenna is not located on a same straight line, and

wherein the second distance is based on a resolution of positioning using the first signal.

4. The portable electronic device of claim 1 , wherein the instructions, when executed, further cause the processor to:

identify a plurality of candidate directions of the external electronic device based on a phase difference of the first signal, and

identify a third distance between the portable electronic device and the external electronic device based on the time information of the first data.

5. The portable electronic device of claim 4 , wherein the instructions, when executed, further cause the processor to:

identify a fourth distance between the third antenna and the external electronic device based on the time information of the second data, and

determine the position of the external electronic device based on the plurality of candidate directions, the third distance, and the fourth distance.

6. The portable electronic device of claim 1 , wherein the instructions, when executed, further cause the processor to:

transmit a third signal to the external electronic device using the first antenna,

receive the first signal including the first data from the external electronic device in response to the third signal,

transmit a fourth signal to the external electronic device using the third antenna, and

receive the second signal including the second data from the external electronic device in response to the fourth signal.

7. The portable electronic device of claim 6 , wherein the time information of the first data includes response time information indicating a time taken by the external electronic device to transmit the first signal, after receiving the third signal, and

wherein the time information of the second data includes response time information indicating a time taken by the external electronic device to transmit the second signal, after receiving the fourth signal.

8. The portable electronic device of claim 1 , wherein the processor includes a first communication processor configured to provide communication based on a first communication protocol and a second communication processor configured to provide communication based on a second communication protocol,

wherein the communication circuit includes a switching circuit configured to connect the third antenna to the first communication processor or the second communication processor, and

wherein the first communication protocol uses an ultra-wideband signal.

9. A method of determining a position of an external electronic device by a portable electronic device, the method comprising:

receiving, from the external electronic device, a first signal including first data using a first antenna and a second antenna connected to a communication circuit of the portable electronic device;

switching the connection of the communication circuit from the first antenna to a third antenna;

receiving, from the external electronic device, a second signal including second data using the third antenna; and

determining a position of the external electronic device based on a phase difference of the first signal, time information of the first data, and time information of the second data.

10. The method of claim 9 , wherein the first antenna and the second antenna are located within a first distance of each other, and

wherein the third antenna is spaced apart from the first antenna or the second antenna by a second distance, and

wherein the second distance is longer than the first distance.

11. The method of claim 10 , wherein at least one of the first antenna, the second antenna, and the third antenna is not located on a same straight line, and

wherein the second distance is based on a resolution of positioning using the first signal.

12. The method of claim 9 , wherein determining the position of the external electronic device comprises:

identifying a plurality of candidate directions of the external electronic device based on the phase difference of the first signal;

identifying a third distance between the portable electronic device and the external electronic device based on the time information of the first data;

identifying a fourth distance between the third antenna and the external electronic device based on the time information of the second data; and

determining the position of the external electronic device based on the candidate directions, the third distance, and the fourth distance.

13. The method of claim 9 , wherein receiving the first signal comprises:

transmitting a third signal to the external electronic device using the first antenna; and

receiving, from the external electronic device, the first signal including the first data, in response to the third signal, and

wherein receiving the second signal comprises:

transmitting a fourth signal to the external electronic device using the third antenna; and

receiving, from the external electronic device, the second signal including the second data, in response to the fourth signal.

14. The method of claim 13 , wherein the portable electronic device includes a first communication processor configured to provide communication based on a first communication protocol and a second communication processor configured to provide communication based on a second communication protocol, and

wherein transmitting the fourth signal comprises disconnecting the first antenna from the first communication processor and connecting the third antenna to the first communication processor.

15. The method of claim 14 , wherein the first communication protocol uses an ultra-wideband signal, and

wherein the second communication protocol is Bluetooth or Wi-Fi.

16. A portable electronic device, comprising:

a communication circuit electrically connected to a first antenna and electrically connected to a second antenna or a third antenna;

a processor operatively connected with the communication circuit and including a first communication processor configured to provide communication based on a first communication protocol and a second communication processor configured to provide communication based on a second communication protocol; and

a memory operatively connected with the processor,

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

receive, from an external electronic device, a first signal including first data using the first antenna and the second antenna;

receive, from the external electronic device, a second signal including second data using the first antenna and the second antenna; and

determine a position of the external electronic device based on a phase difference of the first signal, time information of the first data, a phase difference of the second signal, and time information of the second data, and

wherein the communication circuit includes a switching circuit configured to connect the third antenna to the first communication processor or the second communication processor.

17. The portable electronic device of claim 16 , wherein the first antenna and the second antenna are located within a first distance of each other for beamforming,

wherein the first antenna and the third antenna are located within the first distance for beamforming, and

wherein at least one of the first antenna, the second antenna, and the third antenna is not located on a same straight line.

18. The portable electronic device of claim 16 , wherein the instructions, when executed, further cause the processor to:

identify a plurality of candidate directions of the external electronic device based on a phase difference of the first signal, and

identify a distance between the portable electronic device and the external electronic device based on the time information of the first data.

19. The portable electronic device of claim 18 , wherein the instructions, when executed, further cause the processor to:

identify a plurality of candidate directions of the external electronic device based on a phase difference of the second signal; and

identify the distance between the portable electronic device and the external electronic device based on the time information of the second data.