公开(公告)号：US20200344587A1

公开(公告)日：2020-10-29

申请号：US16814779

申请日：2020-03-10

Applicant: Electronics and Telecommunications Research Institute

Inventor： Suk-Hee CHO ,  Byung-Jun BAE ,  Woong-Soo NA ,  Na-Yeon KIM ,  Dong-Joon CHOI

IPC: H04W4/90

Abstract: Disclosed herein is a method of operating an apparatus for providing a cell broadcast service. The operating method includes receiving, by a transmission device of a broadcaster, a cell broadcast service signal containing an emergency alert from a mobile carrier; converting, by the transmission device, the cell broadcast service signal into a public warning broadcast signal; and transmitting, by the transmission device, the public warning broadcast signal to a mobile switching center or a base station.