ETRI-Knowledge Sharing Plaform

ENGLISH

성과물

특허 검색
구분 출원국
출원년도 ~ 키워드

상세정보

등록 단일 주파수망에서의 암호화된 방송신호 송출 시스템 및 그 방법

단일 주파수망에서의 암호화된 방송신호 송출 시스템 및 그 방법
이미지 확대
발명자
이현, 이수인, 이광순, 이봉호, 임종수, 박원진, 채태준, 홍충표
출원번호
11909543 (2005.11.04)
공개번호
20100177895 (2010.07.15)
등록번호
8619987 (2013.12.31)
출원국
미국
협약과제
초록
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.
KSP 제안 키워드
Broadcast signals, Broadcasting system, Data stream, Digital Broadcasting, Mobile communication networks, Transmitter Identification, User Authentication, communication network, frequency network, identification information, mobile communication, single frequency, single frequency network(SFN)