Patent ID: 8559948

Claim:
A method for communicating by a multi-mode mobile station (MS) with first and second networks via first and second radio access technologies (RATs), comprising: calculating a start frame number and scanning interval for a scanning cycle for the mobile station to perform with the first RAT, such that the scanning interval of the scanning cycle aligns with at least one paging window of a paging cycle of the second RAT; sending a scanning request to a base station of the first network to establish the scanning cycle with the start frame number and the scanning interval; switching to the second network to monitor for paging messages during the scanning interval of the scanning cycle when the scanning interval aligns with a paging window of the second network, while maintaining the connection with the first network; and scanning neighboring base stations on the first network during the scanning interval of the scanning cycle when the scanning interval is not aligned with a paging window of the second network.