Electronics and Telecommunications Research Institute

Tae-Yeon Kim

Ho-Young Song

Sung-Il Lee

Hee-Min Kim

Eung-Ki Park

Chan-Woo Bae

Jung-Hwa Han

Hyeong-Min Seo

An update management apparatus and an update verification apparatus and method of a control system. The update verification apparatus of the control system includes a file type classification unit for classifying one or more input update files into any one file type of a firmware file, a patch file, and another type of file; an integrity verification unit for verifying integrity of the update files based on the file types of the update files; and an update file generation unit for generating a final update file from the update files, the integrity of which has been verified.

Update management apparatus of industry control system, apparatus and method for update verification

An open wireless access network apparatus includes an Internet protocol (IP) resource management unit to allocate IPs, respectively, to a plurality of provider servers and open wireless access points (APs), and map the IP of each provider server to the IP of each open wireless AP; a subscriber movement management unit to provide a second wireless AP with an IP that has been allocated to a first wireless AP when a mobile device changes from one area in which the mobile device has a signal delivered from the first wireless AP to another area in which the mobile device has a signal delivered from the second wireless AP; and a wireless AP connection control unit to allow the mobile device to be connected to the second wireless AP through the allocated IP.

Open wireless access network apparatus and connection method using the same

Growing community of inventors

Daejeon, South Korea

Tae-Yeon Kim