Design and Implementation o f Emergency Alert Gateway utilizing ATSC 3.0 terrestrial UHD broadcasting

In Korea, ATSC 3.0 based terrestrial UHD broadcasting service is on the air and emergency alert service is also being developed. In addition, the Ministry of Science and ICT (MSIT) plans to expand its emergency alert service for public media, such as digital signage, public transportation and public facilities by utilizing terrestrial UHD broadcasting. This paper presents the design and implementation of emergency alert gateway that can provide emergency alerts and disaster information via TV, companion devices and digital signage.