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학술지 A Novel Data Transmission Scheme for ATSC Terrestrial DTV Systems
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저자
박성익, 김흥묵, 오왕록, 김정창
발행일
201204
출처
ETRI Journal, v.34 no.2, pp.168-174
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.12.0111.0311
협약과제
12PR4700, DTV를 활용한 Wake-up 긴급경보 방송시스템 기술개발, 김흥묵
초록
In Advanced Television Systems Committee (ATSC) terrestrial digital television (DTV) systems, additional very low-rate data can be transmitted by modulating the amplitude and polarity of the transmitter identification (TxID) signal. Although the additional data transmission scheme offers reliable transmission and has a very large coverage area, it has a limitation on the data rate. In this paper, we propose a novel additional data transmission scheme based on the TxID sequences of the ATSC DTV system and Walsh modulation. The proposed scheme not only increases the data rate significantly, but also offers a virtually identical coverage area compared to a conventional scheme. © 2012 ETRI.
키워드
ATSC DTV, Kasami sequence, Transmitter identification, Walsh sequence
KSP 제안 키워드
Advanced television systems committee(ATSC), Coverage area, Data transmission, Low-rate, Transmission scheme, Transmitter Identification, data rate, digital television(DTV), reliable transmission