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Structure Detection of Transmission Frame Based on Accumulated Correlation for DVB-S2 System
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DVB-S2 시스템에서 상관 누적을 이용한전송프레임 구조 검출

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Type
Academic journal
Author
Journal
사단법인 한국위성정보통신학회 한국위성정보통신학회논문지 한국위성정보통신학회논문지 제10권 제2호 KCI Candidated Journals
Published
2015.1
Pages
109 - 114 (6page)

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Structure Detection of Transmission Frame Based on Accumulated Correlation for DVB-S2 System
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Abstract· Keywords

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Frame synchronization is achieved by correlation between received symbols and a preamble pattern which is periodically appended at a frame header. In this paper, we deal with a frame detection method complaint with satellite-based DVB-S2 system. In DVB-S2, frame synchronization is performed under the low signal-to-noise ratio(SNR), a large frequency offset which can be up to 20% of a symbol transmission rate and unknown modulation schemes ranging from QPSK to 32-APSK. In this environment, we propose a method combining differential correlation based on SOF and PLSC with an accumulated correlation method for the detection of frame structures. In addition, detection performances about mean acquisition time(MAT) and detection error probability are evaluated via computer simulations.
#Frame synchronization #DVB-S2 #satellite communication #structure detection #multi-frame detection

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References (7)

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/ 2006 / Digital Video Broadcasting (DVB) - Second Generation framing structure, channel coding and modulation systems for Broadcasting Interactive Service, News Gathering and other br google schola Alberto Morello / 2006 / DVB-S2: The Second generation standard for satellite broad-band services / Proceedings of the IEEE 94 : 210 ~ 227 google schola F.W. sun / 2004 / Frame Synchronization and Pilot Structure for Second Generation DVB via Satellites / International Journal of Satellite Communications and Networking 22 : 3 google schola Gianni Albertazzi / 2005 / / IEEE Wireless Communications 12 : 62 ~ 68 google schola Pan-soo Kim / 2009 / Robust frame synchronization for the DVB-S2 system with large frequency offsets / International Journal of Satellite Communications and networks 27 : 35 google schola

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