Patent ID: 8879449

Claim:
A method of updating, by a user equipment (UE), a system information in a wireless communication system, the method comprising: monitoring, by the UE, a physical downlink control channel (PDCCH); receiving, by the UE from a base station (BS), a System Information Radio Network Temporary Identifier (SI-RNTI) via the PDCCH; receiving, by the UE from the BS, first system information on a downlink shared channel (DL-SCH) in accordance with the SI-RNTI; applying, by the UE, the first system information only until a second system information is received; receiving, by the UE from the BS, a paging message that includes a system information change notification indicating that the BS will change system information, and a scheduling system information message that includes a value tag indicating that the BS has changed the system information, wherein the paging message is received from the BS via a paging control channel (PCCH), and wherein the scheduling system information message is received from the BS via the DL-SCH; based on the system information change notification and the value tag, receiving, by the UE from the BS, the second system information on the DL-SCH in accordance with the SI-RNTI; and applying the second system information by the UE.