Patent ID: 7308265
Filing Date: 2007-12-11
Classification: H04B,H04W

Abstract:
1. A method for acquiring a public land mobile network (PLMN) of a mobile station for registering the mobile station in a cell overlapped operated by a first business operator with a cell of a base station operated by a second business operator, the method comprising the steps of: (i) scanning a plurality of slot synchronizations having different signal strengths using a previously set carrier frequency; (ii) determining whether a corresponding base station is operated based on home PLMN information included in system information in response to a slot synchronization having a strongest signal strength; (iii) extracting cell overlapped information from the system information when the corresponding base station is not operated based on the home PLMN, the cell overlapped information indicating that a base station is overlapped with the base station operated by the second business operator; and (iv) re-executing a PLMN acquisition procedure for different slot synchronizations with respect to an identical frequency based on the cell overlapped information.