Electronic device and method for correcting phase in electronic device

An electronic device comprising:

• a housing;
• a first antenna located inside the housing or in a first portion on the housing;
• a second antenna located inside the housing or in a second portion on the housing to be spaced apart from the first portion of the housing;
• a transceiver configured to generate a first signal and a second signal;
• a first coupler electrically connected between the first antenna and the transceiver, and configured to receive the first signal from the transceiver, and forward the first signal to the first antenna and a first feedback signal of the first signal to a control circuitry;
• a second coupler electrically connected between the second antenna and the transceiver, and configured to receive the second signal from the transceiver, and forward the second signal to the second antenna, and a second feedback signal of the second signal to the control circuitry;
• and
• a control circuitry operatively connected to the transceiver,
• wherein the control circuitry is configured to:
• determine values associated with a phase difference between the first signal and the second signal by comparing the first feedback signal sent from the first coupler and the second feedback signal sent from the second coupler;
• and
• cause the transceiver to adjust a phase of the first signal and/or a phase of the second signal using at least one of the values in order to reduce or remove the phase difference.