CPC G01S 13/765 (2013.01) [H01Q 21/30 (2013.01)] | 19 Claims |
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.
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