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A Study on the Enhancement for Satellite Digital Multimedia Broadcasting System E  

Choi, Seung-Hyun (Electronics and Telecommunications Research Institute)
Oh, Doeck-Gil (Electronics and Telecommunications Research Institute)
Chang, Dae-Ig (Electronics and Telecommunications Research Institute)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.44, no.3, 2007 , pp. 85-91 More about this Journal
Abstract
Satellite Digital Multimedia Broadcasting (S-DMB) is the digital convergence service of broadcasting and communication for mobility and portability. Broadcasting service of S-DMB can be taken by the mobile phone or vehicle terminals anytime and anywhere. S-DMB system is currently providing 11 video channels and 26 audio channels. As the demand of multimedia service is recently increasing, S-DMB system needs high quality and new contents service. Therefore we need to make efficient S-DMB with more channel ability and high transmission quality. In this paper, we propose new S-DMB system that can be applied to powerful channel coding scheme and hierarchical 8-PSK(8-Phase Shift Keying) modulation with Backwards Compatibility modes that simultaneously can support both current and new system. And we analyze the performance of current S-DMB system and verify a possibility of advanced S-DMB through computer simulation.
Keywords
S-DMB; Backward Compatible(BC) mode; Hierarchical Modulation; 8PSK;
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