Patent ID: 8731511

Claim:
A method of handling notification message transmission for a network of a wireless natural disaster warning communication system, the method comprising: when content of a notification message comprising a message identity is changed, modifying the message identity, wherein the message identity is included in a system information block, hereinafter called SIB, and indicates which notification message a notification message content in the SIB belongs to; and sending the SIB and a paging message comprising at least one of a flag and an element, wherein the flag is used to notify a user equipment of a change of the SIB, and the element is an Earthquake and Tsunami Warning System (ETWS) secondary notification indication when the notification message is a secondary notification message; and the element is an ETWS primary notification indication when the notification message is a primary notification message; wherein the element is used for the user equipment to acquire the SIB when the element is found in the received paging message.