Method for controlling wireless link and wireless connection of terminal in wireless communication system, and apparatus supporting same

A device for performing a measurement in a wireless communication system, comprising:

• two or more radio units available to perform transmission and reception of a radio signal and a measurement of signal strength individually;
• and
• a processor functionally connected with the two or more radio units to control the two or more radio units,
• wherein the processor is configured to control to:
• receive, from a base station, a request message requesting capability information of the device;
• transmit, to the base station, a response message including the capability information;
• receive first configuration information for a measurement configuration for two or more radio units included in the device based on the capability information, wherein the radio unit represents a unit available to perform transmission and reception of a signal and a measurement of signal strength individually;
• measure a serving cell and neighboring cells through the plurality of radio units;
• and
• transmit, to the base station, a reporting message including measurement information measuring the serving cell and the neighboring cells.