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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機工程學系 > 會議論文  >  A unified class of inverse filter criteria using two cumulants for blind deconvolution and equalization


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/68542


    Title: A unified class of inverse filter criteria using two cumulants for blind deconvolution and equalization
    Authors: Chong-Yung Chi;Mei-Chyn Wu
    教師: 祈忠勇
    Date: 1995
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)
    Relation: Acoustics, Speech, and Signal Processing, 1995. ICASSP-95., 1995 International Conference, vol.3, Detroit, MI, 09-12 May 1995, Pages 1960 - 1963
    Keywords: deconvolution
    equalisers
    filtering theory
    higher order statistics
    inverse problems
    linear systems
    Abstract: Cumulant (higher-order statistics) based inverse filter criteria maximizing Jr,m=|Cm|r/|Cr| m, where m≠r and Cm (Cr) denotes the mth-order (rth-order) cumulant of the inverse filter output, have been proposed for blind deconvolution and equalization with only non-Gaussian output measurements of an unknown linear time-invariant (LTI) system. This paper shows that the maximum of Jr,m associated with the true inverse filter of the unknown LTI system, exists only for r to be even and m>r, otherwise, Jr,m is unbounded. The admissible values for (r,m)=(2s,l+s) where l>s⩾1 include (2,3), (2,4) and (4,6) proposed by Tugnait (see IEEE Trans. Signal Processing, vol.41, no.11, p.3196-3199, 1993), Wiggins (1978), and Shalvi and Weinstein (see IEEE Trans. Information Theory, vol.36, p.312-321, 1990) in addition to more new ones such as (2,5), (2,6) and (4,5). Some simulation results for the inverse filter criteria Jr,m with the proposed admissible values of (r,m) are then provided. Finally, we draw some conclusions
    Relation Link: http://www.ieee.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/68542
    Appears in Collections:[電機工程學系] 會議論文

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