Method for performing communication and electronic device supporting same

A method comprising:

• in response to detecting that an ear jack is connected to an electronic device:
• identifying first control information on a first matching circuit and a second matching circuit, the first control information corresponding to a first change of the impedance of a first antenna of at least one antenna of the electronic device, the first change occurring by a connection between the ear jack and the electronic device, the first matching circuit being connected between a power amplifier module (PAM) and the first antenna and the second matching circuit is connected between the first antenna and a ground;
• and
• transmitting the identified first control information to the first matching circuit and the second matching circuit, wherein a first impedance matching operation is performed using both the first matching circuit and the second matching circuit,
• in response to receiving, from a sensor, information on a second change of the impedance of the first antenna, the second change of the impedance occurring when the electronic device is gripped by a user or an external object is in proximity to the electronic device:
• identifying second control information on the first matching circuit, the second control information corresponding to the second change;
• and
• transmitting the identified second control information to the first matching circuit between the first matching circuit and the second matching circuit, wherein a second impedance matching operation is performed using the first matching circuit,
• wherein the second matching circuit comprises a plurality of second matching circuits,
• wherein each of the plurality of second matching circuits is connected between the first antenna and a ground and includes a switching element, and
• wherein the plurality of second matching circuits respectively receive a plurality of control signals included in the first control information from the processor.

A non-transitory computer-readable recording medium in which a program including instructions is recorded, the instructions executed by at least one processor, cause the at least one processor of the electronic device to perform a method comprising:

• in response to detecting that an ear jack is connected to the electronic device:
• identifying first control information on a first matching circuit and a second matching circuit, the first control information corresponding to a first change of the impedance of a first antenna of at least one antenna of the electronic device, the first change occurring by a connection between the ear jack and the electronic device, the first matching circuit being connected between a power amplifier module (PAM) and the first antenna and the second matching circuit is connected between the first antenna and a ground;
• and
• transmitting the identified first control information generated at least partially based on the identified control information to the first matching circuit and the second matching circuit, wherein a first impedance matching operation is performed using both the first matching circuit and the second matching circuit,
• in response to receiving, from a sensor, information on a second change of the impedance of the first antenna, the second change of the impedance occurring when the electronic device is gripped by a user or an external object is in proximity to the electronic device:
• identifying second control information on the first matching circuit, the second control information corresponding to the second change;
• and
• transmitting the identified second control information to the first matching circuit between the first matching circuit and the second matching circuit, wherein a second impedance matching operation is performed using the first matching circuit,
• wherein the second matching circuit comprises a plurality of second matching circuits,
• wherein each of the plurality of second matching circuits is connected between the first antenna and a ground and includes a switching element, and
• wherein the plurality of second matching circuits respectively receive a plurality of control signals included in the first control information from the at least one processor.