| Issue |
MATEC Web of Conferences
Volume 56, 2016
2016 8th International Conference on Computer and Automation Engineering (ICCAE 2016)
|
|
|---|---|---|
| Article Number | 05013 | |
| Number of page(s) | 6 | |
| Section | Modern Communication Technology and Applications | |
| DOI | https://doi.org/10.1051/matecconf/20165605013 | |
| Published online | 26 April 2016 | |
Multi-windows Threshold-based Frame Synchronization in Variable Coded Modulation Service
Department of Electronic Engineering, 100084 Tsinghua University, Beijing, China
In this paper, an innovative and reliable frame synchronization scheme is proposed for second generation digital video broadcasting (DVB-S2) system in Variable Coded Modulation (VCM) service. Frame synchronization in VCM suffers many difficulties from large frequency offset, extremely low SNR and variable physical layer frame (PLFRAME) lengths. To cope with variable PLFRAME lengths, multi-windows are proposed and utilized. Multiwindows threshold-based search algorithm is presented with theoretical analysis to decrease the missed detection probability. Experimental results demonstrate that our proposed method is more robust and reliable than the existing approaches, especially in low signal to noise ratios (SNRs) and large frequency offsets.
© Owned by the authors, published by EDP Sciences, 2016
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