Provided are a method and apparatus for transmitting or receiving signals in a wireless communication system. An electronic device in the wireless communication system includes: a transceiver; and at least one processor, wherein the transceiver comprises an antenna module and a metasurface module, wherein the antenna module comprises a plurality of antennas, wherein the at least one processor is configured to generate first beams for the plurality of antennas, transmit the first beams to the metasurface module from the plurality of antennas, generate second beams based on the first beams through the metasurface module, and transmit the second beams to another electronic device, and wherein the metasurface module is arranged to receive the first beams generated for the plurality of antennas.