CPC H01Q 21/30 (2013.01) [H01Q 3/24 (2013.01); H04B 17/12 (2015.01); H04B 17/17 (2015.01); H04B 17/318 (2015.01)] | 13 Claims |
1. An electronic device comprising:
an antenna configured to receive wireless signals outputted from a first antenna and a second antenna included in an external electronic device;
a communication circuit electrically connected to the antenna; and
a control circuit,
wherein the control circuit is configured to:
control the external electronic device wherein the external electronic device outputs specified wireless signals at a first specified phase by using the first antenna and at a second specified phase by using the second antenna,
receive the specified wireless signals by using the antenna,
identify a signal intensity corresponding to the specified wireless signals by using the communication circuit, and
determine a status related to the external electronic device at least on the basis of a difference value between the specified signal intensity and a reference signal intensity,
wherein the external electronic device comprises a plurality of phase shifters connected to the first antenna and the second antenna, and
wherein the control circuit is configured to delay phases of the first antenna and the second antenna by a number of times corresponding to a number of the plurality of phase shifters.
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