Open AccessEffective Multiplexing Method for Conditional Access System in Terrestrial DMB
Author(s) -
Lee YongHoon,
Lee Gwangsoon,
Lee Jinhwan,
Ahn Chung Hyun,
Lee Soo In,
Kim Nam
Publication year - 2008
Publication title -
etri journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.295
H-Index - 46
eISSN - 2233-7326
pISSN - 1225-6463
DOI - 10.4218/etrij.08.0208.0156
Subject(s) - multiplexing , computer science , digital multimedia broadcasting , encryption , broadcasting (networking) , digital audio broadcasting , computer network , statistical time division multiplexing , digital broadcasting , service (business) , orthogonal frequency division multiplexing , digital video broadcasting , digital television , telecommunications , channel (broadcasting) , economy , economics
This letter proposes a conditional access system (CAS) suitable for use in terrestrial digital multimedia broadcasting (T‐DMB), based on an effective multiplexing method to provide encrypted T‐DMB services. Specifically, the proposed multiplexing method for a CAS is designed to reduce the additional bit rate while assuring easy access to the designated encrypted services. Finally, the performance of the implemented CAS is confirmed through implementation and a broadcasting experiment under various service environments.