An apparatus and a method. The apparatus includes a first subscriber identity module (SIM); a second SIM; a dual SIM resource controller (DSRC) connected to the first SIM and the second SIM; and a radio frequency (RF) communication entity connected to the DSRC, wherein the DSRC performs one of scheduling a first paging preparation period of the first SIM prior to a second paging preparation period of the second SIM and re-attempting by the first SIM an RF request for the RF communication entity after an initial RF request for the RF communication entity is not granted.