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학술대회 Design and Performance Evaluation of DVB-S2 System with FTN Signaling
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저자
권해찬, 백명선, 윤정일, 임형수, 허남호
발행일
201610
출처
International Conference on Information and Communication Technology Convergence (ICTC) 2016, pp.1210-1212
DOI
https://dx.doi.org/10.1109/ICTC.2016.7763409
협약과제
16MR2300, FTN(Faster Than Nyquist)기반 유무선 방송시스템 고도화 기술 개발, 허남호
초록
For the performance improvement of DVB-S2 satellite broadcasting system, DVB-S2X standard has been developed. DVB-S2X has considered a variety of baseband modulations and LDPC code rates. And for the spectral efficiency enhancement in satellite broadcasting, FTN signaling has been studied in recent years. FTN signaling transmits symbols at rates so faster than Nyquist rate that ISI is inevitable. The ISI effect in FTN signaling is caused by baseband modulation as well as FTN factor which is defined by inverse number of symbol rate acceleration. In this paper, performance evaluations of FTN signaling for various modulation schemes are presented and discussed.
KSP 제안 키워드
Broadcasting system, DVB-S2x standard, FTN Signaling, LDPC codes, Modulation scheme, Nyquist rate, Performance evaluation, Rate acceleration, Satellite Broadcasting, Spectral efficiency(SE), efficiency enhancement