ELECTRONIC DEVICE COMPRISING ANTENNA, AND OPERATION METHOD

An electronic device according to various embodiments of the present disclosure comprises a frame structure forming at least a part of a side of the electronic device, wherein the side formed by the frame structure can comprise a first edge, a second edge perpendicular to the first edge, and a third edge parallel to the first edge. The frame structure can comprise: a first insulating portion positioned at one point on the first edge; a first conductive portion; a second conductive portion distanced from the first conductive portion by means of a second insulating portion and corresponding to a part of the second edge; and a third conductive portion distanced from the second conductive portion by means of a third insulating portion positioned at a second point on the second edge, and extending to the third edge. The electronic device according to various embodiments comprises: a wireless communication circuit; a first switching circuit connecting the first conductive portion and/or the second conductive portion with the wireless communication circuit; a second switching circuit connecting the second conductive portion and/or the third conductive portion with the wireless communication circuit; and a proximity sensor for detecting the proximity of a human body to the first edge. Power can be fed in accordance with the proximity state of a human body detected by the proximity sensor.