Patent ID: 8588155

Claim:
A method of transmitting system information to a user equipment (UE) in an idle mode, the method comprising: receiving information related to the idle mode, the information related to the idle mode including a paging discontinuous reception (DRX) cycle field indicating a time interval for monitoring a paging occasion of the UE in the idle mode and a paging occasion field indicating a paging occasion monitored in order to allow the UE to receive a paging message; decoding a control channel assigned to a first paging subframe according to the information related to the idle mode, the control channel including a broadcasting information indicator (BI) field and a broadcasting information occasion offset (BIO) field, wherein the BI field indicates whether or not the system information has updated, and wherein the BIO field indicates a transmission location of a system information update message; and receiving the system information update message including updated system information via a second paging subframe indicated by the BIO field regardless of the information related to the idle mode when the BI field indicates that the system information is updated.