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학술지 An Improved Decoding Scheme for Emergency Alert Wake-Up Bits in ATSC 3.0
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저자
김형석, 김정창, 박성익, 이재영, 허남호, Michael Simon, Mark Aitken, Kevin Gage
발행일
202003
출처
IEEE Transactions on Broadcasting, v.66 no.1, pp.1-8
ISSN
0018-9316
출판사
IEEE
DOI
https://dx.doi.org/10.1109/TBC.2019.2933798
협약과제
20HH2200, 초고품질 UHD (UHQ) 전송 기술 개발, 허남호
초록
This paper proposes an improved decoding scheme of emergency alert wake-up bits in Advanced Television Systems Committee (ATSC) 3.0. When a broadcast service is being provided, a bootstrap signal of ATSC 3.0 includes the minimal essential information that does not change at least for two consecutive physical layer frames. Then, the received signal can be further assumed to be binary modulated according to each wake-up bit, so as to achieve the improved decoding performance as well as reduced decoding complexity. The simulation results show that the proposed decoding scheme of wake-up bits can obtain signal-to-noise ratio (SNR) gains of approximately 1.6 dB and 2.5 dB at bit error rate (BER) of 10-4 compared to the conventional decoding scheme under fixed and mobile reception environments, respectively. In addition, the analysis on the computational complexity of the proposed decoding scheme is provided.
키워드
ATSC 3.0, bootstrap, decoding, emergency alert, wake-up
KSP 제안 키워드
ATSC 3.0, Advanced television systems committee(ATSC), Bit Error Rate(And BER), Broadcast service, Computational complexity, Improved decoding, Physical Layer, Signal noise ratio(SNR), Signal-to-Noise, decoding complexity, decoding performance