ELECTRONIC DEVICE AND METHOD FOR INCREASING ANTENNA EFFICIENCY OF ELECTRONIC DEVICE

Various embodiments of the disclosure relate to an electronic device and a method for increasing efficiency of an antenna. The method may include performing a short-range communication function using a first coil in a closed state in which at least a portion of a first housing of the electronic device is slid into an inner space of a second housing of the electronic device, and performing the short-range communication function using a second coil in an open state in which at least a portion of the first housing is slid out of the inner space of the second housing. The disclosure provides various other embodiments.