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학술지 An Efficient and Flexible Hybrid Conditional Access System for Advanced T-DMB
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저자
배병준, 송윤정, 이수인, 서형윤, 김종덕
발행일
201108
출처
ETRI Journal, v.33 no.4, pp.629-632
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.11.0210.0320
협약과제
10MR4800, AT-DMB 상용화 테스트 지원, 송윤정
초록
This letter presents a hybrid conditional access system (CAS) for advanced terrestrial digital multimedia broadcasting (ATDMB). The proposed architecture is characterized by its use of a unified CAS channel and various communication networks for CAS message transmissions. We implement a prototype CAS based on the hybrid architecture, which improves the CAS message transmission efficiency greatly compared to the existing T-DMB CAS standard and supports various AT-DMB interlayer services more easily and efficiently. © 2011 ETRI.
키워드
AT-DMB, CAS, Hybrid broadcast network
KSP 제안 키워드
Conditional access system, Digital multimedia broadcasting, Hybrid architecture, communication network, message transmission, transmission efficiency