Data-aided algorithm based frequency synchronizer for DVB-S2
Pages 354 - 358
Abstract
This paper presents an efficient frequency synchronizer for digital video broadcasting --- second generation (DVB-S2). Analyzing the robust algorithm among data-aided approaches, we find that the Luise & Reggiannini (L&R) algorithm is the most suitable one for coarse frequency estimation with respect to estimation performance and complexity. However, it requires many multipliers and adders to compute ouput values of correlators. We propose an efficient architecture identifying the serial correlator with the buffer and multiplexers. The proposed coarse frequency synchronizer can reduce the hardware complexity about 92% of the direct implementation. The proposed architecture has been implemented and verified on the Xilinx Virtex II FPGA.
References
[1]
Digital video broadcasting (DVB); Framing structure, channel coding and modulation for 11/12 GHz satellite services, EN300 421 (V1.1.2), European Telecommunications Standards Institute(ETSI), 1997.
[2]
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
[3]
Feng-Wen Sun, Yimm Jiang, Lin-Nan Lee, "Frame synchronization and pilot structure for second generation DVB via satellite," in Int. J. Satell. Commun. Network., vol. 22, no. 3, pp. 319--339, June 2004.
[4]
A. Morello and V. Mignone, "DVB-S2: the second generation standard for satellite broad-band services," in Proc. IEEE., vol. 94, no. 1, pp. 210--227, Jan. 2006.
[5]
U. Mengali and A. N. D'Andrea, Synchronization Techniques for Digital Receivers. New York: Plenum, 1997.
[6]
J. W. Park, M. H. Sunwoo, P. S. Kim and D. I. Chang, "An efficient data-aided initial frequency synchronizer for DVB-S2," in Proc. IEEE Workshop on Signal Processing Systems (SiPS), Oct. 2007.
[7]
M. Luise and R. Reggiannini, "Carrier frequency recovery in all-digital modems for burst-mode transmissions," IEEE Trans. Commun., vol. 43, no. 3, pp. 1169--1178, Mar. 1995.
[8]
U. Mengali and M. Moreli, "Data-aided frequency estimation for burst digital transmission," IEEE Trans. on Commun., vol. 45, no. 1, pp. 23--25, Jun. 1997.
[9]
M. P. Fitz, "Planar filtered techniques for burst mode carrier synchronization," in Proc. IEEE GLOBECOM'91, vol. 1, Dec. 1991, pp. 365--369.
Index Terms
- Data-aided algorithm based frequency synchronizer for DVB-S2
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Published: 31 January 2008
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ICUIMC08: The Second International Conference on Ubiquitous Information Management and Communication
January 31 - February 1, 2008
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