公开(公告)号：US20230127418A1

公开(公告)日：2023-04-27

申请号：US17557239

申请日：2021-12-21

申请人： UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION

发明人： Yoonkwan BYUN ,  Hyunji LEE ,  Sekchin CHANG ,  Seong Jong CHOI

IPC分类号： H04W4/90

摘要： Provided are a method and a system for broadcasting a disaster alert. The method of broadcasting a disaster alert includes: receiving an Advanced Emergency Alert Table (AEAT) message and an Advance Emergency Alert (AEA) message generated to include an NRT component corresponding to a multimedia file from an AEA message application according to an AEA protocol; receiving trigger information extracted from a Cell Broadcast Service (CBS) message from a Non-3GPP InterWorking Function (N3IWF); and transmitting the AEA message to a mobile terminal through an Advanced Television Systems Committee (ATSC) 3.0 broadcast station according to the trigger information.