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Volume 24 Issue 8
Aug.  2002
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Jin Zheng-Meng, Yang Yan. A Fast Total Variation Algorithm Based on Box Constraint for Poisson Noise Removal[J]. Journal of Electronics & Information Technology, 2014, 36(8): 1866-1871. doi: 10.3724/SP.J.1146.2014.00154
Citation: Xie Bo, Zhu Shihua, Hu Gang . fractal based multipath fading channel estimation[J]. Journal of Electronics & Information Technology, 2002, 24(8): 1066-1072.

fractal based multipath fading channel estimation

  • Received Date: 2001-02-11
  • Rev Recd Date: 2001-07-05
  • Publish Date: 2002-08-19
  • This paper studies the fractal characteristics of multipath fading channels and proposes a novel algorithm for the channel estimation, which is basically an MMSE estimation algorithm modified by employing fractal dimension and wavelet reconstruction analyses. The algorithm can improve the estimation accuracy of multipath fading channel parameters and avoid the error propagation problem of conventional approaches. Simulation results show that the new algorithm can estimate the channel parameters more accurately compared to the MMSE method, and significantly improve the receiver bit error rate (BER) in the fast fading environment.
  • J.G. Proakis, Digital Communications, 3rd Edit., New York, McGraw-Hill, 1996, 758-833.[2]S. Sampei, T. Sunaga, Rayleigh fading compensation for AQM in land mobile radio communications, IEEE Trans. on Veh. Technol., 1983, 42(2), 137-147.[3]J.K. Cavers, An analysis of pilot symbol assisted modulation for Rayleigh fading channels, IEEE Trans. on Veh. Technol., 1991, 40(4), 689-693.[4]T.S. Rappaport, Wireless Communications, NJ, Prentice Hall, 1996, 69 189.[5]D.L. Jaggard, X. Sun, Scattering from fractally corrugated surfaces, Journal of Optical Society of America (J.Opt. Soc. Am.A), 1990, 7(6), 1131-1139.[6]D.L. Jaggard, X. Sun, Scattering from bandlimited fractal fibers, IEEE Trans. on Antennas Propag., 1989, 37(12), 1591-1597.[7]G.W. Wornell, A. V. Oppenheim, Wavelet-based representations for a class of self-similar signals with application to fractal modulation, IEEE Trans. on IT, 1992, 38(2), 785-800.[8]王显德等,基于倾斜地面上分形树的电磁散射研究,电子学报,1999,27(9),48-51.[9]谢波,朱世华,胡刚,多径衰落信号的分形时序特性研究,西安交通大学学报,1999,33(9),18 21[10]李后强,汪富泉,分形理论及其在分子科学中的应用,北京,科学出版社,1993,269-319. [11]S. Mallat, H. Wenliang, Singularity detection and processing with wavelets, IEEE Trans. on IT,1992, 38(2), 211-223.
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