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학술대회 Performance Improvement of Terrestrial DMB Receivers in Hierarchical Modulation Mode
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저자
김지현, 김형남, 임형수, 임종수
발행일
200701
출처
International Conference on Consumer Electronics (ICCE) 2007, pp.1-2
DOI
https://dx.doi.org/10.1109/ICCE.2007.341463
협약과제
06MR3300, 지상파 DMB 전송 고도화 기술개발, 임종수
초록
Hierarchical modulation has been considered for higher data rates in Terrestrial-DMB systems, which may degrade the performance of legacy receivers. To minimize the degradation, we adopt a decision-directed channel estimation method for phase correction. Simulation results show that the proposed method may secure higher data rates by reducing the degradation caused by hierarchical modulation. ©2007 IEEE.
KSP 제안 키워드
Channel estimation(CE), Decision-directed channel estimation, Estimation method, Hierarchical modulation, Modulation mode, Phase correction, data rate, performance improvement, simulation results