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Low Complexity Synchronizer Using Common Autocorrelator for DVB-S2 System

Park, Jang-Woong    (School of Electrical and Computer Engineering, Ajou University   ); SunWoo, Myung-Hoon    (School of Electrical and Computer Engineering, Ajou University   ); Kim, Pan-Soo    (Satellite Broadcasting & Telecommunications Convergence Research Team, Electronics and Telecommunications Research Institute (ETRI)   ); Chang, Dae-Ig    (Satellite Broadcasting & Telecommunications Convergence Research Team, Electronics and Telecommunications Research Institute (ETRI)  );
  • 초록

    This paper presents an efficient synchronizer architecture using a common autocorrelator for Digital Video Broadcasting via Satellite, Second generation (DVB-S2). To achieve the required performance under the worst channel condition and to implement the efficient H/W resource utilization of functional synchronization blocks, we propose a new efficient common autocorrelator structure. The proposed architecture can decrease about 92% of multipliers and 81% of adders compared with the direct implementation. Moreover, the proposed architecture has been thoroughly verified in XilinxTM Virtex IV and R&STM SFU (Signaling and Formatting Unit) broad-cast test equipment.


  • 주제어

    Satellite communications .   modem .   common autocorrelator .   frame synchronizer .   frequency synchronizer.  

  • 참고문헌 (6)

    1. Pansoo Kim et al., "Enhanced Frame synchronization for DVB-S2 system under a large of frequency offset," IEEE Wireless Communications and Networking (WCNC), Vol.1, Issue.1, pp.1183-1187, Mar., 2007 
    2. J.K. Choi, Y.J. Jung, M.H. Sunwoo, P.S. Kim and D.I. Chang, "Efficient Frame Synchronization Detector using Modulation Mode Estimation for DVB-S2," in Proc. IEEE Internation SoC Design Conference (ISOCC), pp.237-240, Oct. 2007 
    3. J.W. Park, M.H. Sunwoo, P.S. Kim and D.I. Chang, "An efficient data-aided initial frequency synchornizer for DVB-S2," in Proc. IEEE Workshop on Signal Processing Systems (SiPS), Oct. 2007 
    4. J.W. Park, H.J. Yun, M.H. Sunwoo, P.S. Kim and D.I. Chang, "Efficient Coarse Frequency Synchornizer Using Serial Correlator for DVB-S2,' in Proc. IEEE Internation Symposium on Circuit and Systems (ISCAS), pp.1520-1523, May. 2008 
    5. Digital video broadcasting (DVB); Framing structure, channel coding and modulation for 11/12 GHz satellite services, EN300 421 (V1.1.2), EuropeanTelecommunications Standards Institute (ETSI), 1997 
    6. Digital video broadcasting (DVB); User guidelines for the second generation system for broadcasting, interactive services, news gathering and other broad-band satellite applications (DVB-S2), European Telecommunications Standards Institute (ETSI), TR 102 376, 2005 

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