Apparatus and method for improving mobile-terminated call setup performance during inter-frequency cell reselection

An apparatus and method, comprising: The confirm is register system message (RSI) timing first with a paging on-off the first fixture; And on-off paging to fixture first; and detecting paging, and maintain the paging to exist, comprising a system information (SI), a on the target community the paging to acknowledge; Or and RSI timing first appeared, steps: Reads RSI, and obtaining to the target community's registration area; aFor determining supply community's registration a area and volume community's registration of a different; A with different, while being by component is a paging in supply for community and from the target for community SI overlapped; If overlapped; each different; and SI, and monitoring the paging in volume, communityOr, and is not overlapped; and inspection component and source community the paging, and several, which is provided with a paging; and SI monitoring and paging in volume community.