US Patent 10111161 Discovery method and an electronic device thereof

A method of operating an electronic device in a neighbor awareness networking (NAN) cluster and an electronic device thereof are provided. The method includes receiving, from another electronic device in the NAN cluster, via a direct communication path, a NAN service discovery frame (SDF) including information for indicating at least one discovery window (DW) among a plurality of DWs, when the other electronic device operates in an awake mode, and switching, based on the received information, an operation mode from a sleep mode to the awake mode in the at least one DW among the plurality of DWs.