Electronics and Telecommunications Research Institute

Sk Telecom Company, Ltd.

Kt Corporation

Jae-Wook Shin

Kwang-Ryul Jung

Jong-Suk Chae

Ae-Soon Park

Jun-Sik Kim

Pyon Jung Song

Jihyuk Choi

The present invention relates to a multi-media broadcast and multicast service (MBMS) providing system and a method thereof. The MBMS providing system provides an MBMS to a terminal having an MBMS function. The MBMS providing system includes a service center and a radio access network. The service center provides MBMS data and metadata having service announcement information abut the MBMS to the terminal. The radio access network periodically transmits establishment information for receiving the metadata to the terminal, and provides the metadata and the MBMS data received from the service center to the terminal through nodes for transmitting data. The establishment information includes first establishment information having a service identifier and IP/UDP parameters for receiving the metadata, and second establishment information for establishing a radio channel.

Multimedia broadcast multicast service providing system and method thereof

A method recognizes a request for data transmission by a mobile/base station RRC (Radio Resource Control) using a network transfer device, by which the mobile/base station RRC can recognize the request for data transmission using the network transfer device in a state where recognition of the request for data transmission is disabled. The mobile/base station RRC sets the network transfer device in a suspend state and recognizes a request for data transmission from an up/down link. The network transfer device in the suspend state recognizes the request for data transmission to the up/down link, and sends a message to the mobile/base station RRC to inform the mobile/base station RRC that it recognizes the request for data transmission. The mobile/base station RRC recognizes the request for data transmission according to a received message from the network transfer device and transits to an active state.

Method for recognizing request for data transmission by mobile/base station RRC using network transfer device

Growing community of inventors

Daejeon, South Korea

Jae-Wook Shin