METHOD OF AND APPARATUS FOR NETWORK ACCESS IN WIRELESS COMMUNICATION SYSTEM SUPPORTING ISOLATED E-UTRAN OPERATION FOR PUBLIC SAFETY

摘要

A terminal and a method for the terminal to attach to a network in a wireless communication system are provided. The method includes selecting a service provider based on service provider information received from a base station; identifying if the selected service provider operates an isolated evolved universal mobile telecommunications system (UMTS) terrestrial radio access network (E-UTRAN) operation for public safety (IOPS) network; if the selected service provider operates the IOPS network, selecting authentication information to attach to the IOPS network from a subscriber identification storage unit; and accessing the IOPS network using the selected authentication information.