Method and system for transmitting and receiving neighbor base station advertisement information message in mobile communication system

The present invention relates to a mobile communication system, a method of receiving a base station advertisement message neighbor from the base station that is the mobile station is communicating, indicating whether or not the operator identifier information is redundantly transmitted and information is omitted, the business entity identifier receiving a neighbor base station advertisement message including the predetermined flag field, a process for recognizing the predetermined flag field to the business entity identifier, which recognize information already if the flag indicates that the operator identifier information is omitted, the current operator identifier information. It includes. MOB_NBR_ADV message, Operator ID, BS_ID, DCD_setting TLV.