Electronics and Telecommunications Research Institute

Kt Corporation

Bong-Ho Lee

Soo-In Lee

Hyun Jun Lee

Gwang-Soon Lee

Namho Hur

Hyun Woo Lee

Hyun Jae Lee

Chieteuk Ahn

Jin-Woong Kim

Yong-Hoon Lee

Jong-Soo Lim

Kug-Jin Yun

Young-Kwon Hahm

Young-Ho Jeong

So-Ra Park

Kwanghee Jung

Chung-Pyo Hong

Won-Jin Park

Kyu-Tae Yang

Tae-June Chae

Disclosed is a system for transmitting encrypted broadcast signals to different transmitters on a single frequency network (SFN) in a digital broadcasting system. The system for transmitting encrypted broadcast signals on the SFN includes: a main broadcasting system for transmitting encrypted broadcast signals including data streams and transmitter identification information (TII) through a main broadcasting network; a repeating system for amplifying encrypted broadcast signals of the main broadcasting network and transmitting the amplified broadcast signals, or modulating and amplifying streams input by the main broadcasting system through a private line and repeating broadcast signals of the main broadcasting system through a repeating network; and a decrypting key provider for receiving a decrypting key value from the main broadcasting or repeating system and transmitting a user authentication and decrypting key to a charged subscriber terminal through a mobile communication network.

System for transmitting the scrambled broadcast-signals in single frequency network, and a method thereof

Provided is an apparatus and method for transmitting and receiving broadcasting data and supplementary data. The method includes: generating broadcasting data and supplementary data for a plurality of predetermined 3D broadcasting services to be provided to users; multiplexing the generated broadcasting data for broadcasting channels respectively allocated to the plurality of predetermined 3D broadcasting services, and multiplexing the generated supplementary data for one commonly broadcasting channel commonly allocated to the plurality of predetermined 3D broadcasting services; encoding the multiplexed supplementary data corresponding to a conditional access system; and transmitting the encoded supplementary data to the one common broadcasting channel, and transmitting the multiplexed broadcasting data to the allocated broadcasting channels.

Apparatus and method for transmitting/receiving data in communication system

Provided is a method and system for transmitting/receiving broadcasting service. The method for transmitting a 3-dimensional broadcasting service includes: encoding a reference image and an additional image of the 3-dimensional broadcasting service to generate a reference image stream and an additional image stream; receiving a service map table defining the 3-dimensional broadcasting service; and transmitting the reference image stream, the additional image stream and the service map table in real time.

Method and system for transmitting/receiving 3-dimensional broadcasting service

The present invention relates to an apparatus for transforming digital TV broadcasting signals into digital radio broadcasting signals and a method thereof. The apparatus includes: a transport stream generator for transforming TV broadcasting signals outputted from outside into digital TV broadcasting transport streams; a broadcasting transport format transformer for generating digital radio broadcasting transport streams by transforming the digital TV broadcasting transport streams in conformity to a digital radio broadcasting transport protocol based on a radio broadcasting schedule; a digital radio broadcasting multiplexer for multiplexing the generated digital radio broadcasting transport streams generated in the broadcasting transport format transformer; a modulating/up-converting unit for modulating the multiplexed digital radio broadcasting transport streams in a modulation method of digital radio broadcasting and up-converting frequencies of the modulated radio broadcasting signals into radio frequency (RF) signals; and a high-power amplifier for amplifying and transmitting the up-converted RF signals through a transmitting antenna.

Apparatus and method for transforming a digital TV broadcasting signal to a digital radio broadcasting signal

Disclosed is a system for providing an electronic program guide and a method of providing the same, the electronic program guide (EPG) being about a plurality of programs supplied through a digital broadcasting system, including the steps of receiving service information transmitted from the digital broadcasting system, and extracting the EPG information from the service information to store the EPG information; analyzing a user's request and extracting EPG information that meets the user's request from the stored EPG information to produce tailored EPG information; converting the tailored EPG information into speech EPG information; and reproducing the speech EPG information as speech to provide users with the EPG information.

System and method for providing electronic program guide

Growing community of inventors

Daejeon, South Korea

Bong-Ho Lee