A pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system, such as Long-Term Evolution (LTE) is provided. An apparatus for providing a service network in a wireless communication system is provided. The apparatus includes a first transceiver configured to support a first radio access technology (RAT), a second transceiver configured to support a second RAT, and at least one processor configured to access a base station using the first RAT, provide a service network to at least one client device using the second RAT, and transmit at least one signal to restrict the at least one client device from entering a power saving mode, if a traffic of a client device is transferred via a low-latency service provided in the first RAT.