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    National Tsing Hua University Institutional Repository > 研究中心 > 電腦與通訊科技研發中心 > 技術報告 >  Stability analysis of the turbo decoding algorithm using Max-Log-MAP

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/13477

    Title: Stability analysis of the turbo decoding algorithm using Max-Log-MAP
    Authors: Wei-Sheng Wu
    Chung-Hsuan Wang
    Mao-Ching Chiu
    Chi-chao Chao
    教師: 趙啟超
    Date: 2002
    Publisher: Institute of Electrical and Electronics Engineers Inc.
    Relation: Information Theory, 2002. Proceedings. 2002 IEEE International Symposium on
    2002 Page(s):141
    Keywords: iterative decoding
    numerical stability
    turbo codes
    Abstract: In this paper we investigate analytically the convergence properties of the iterative turbo decoding with the Max-Log-MAP algorithm for soft-output generation. With respect to the iterative decoding scheme, several equivalent mathematical formulations are derived to facilitate the stability analysis, based on which we show that turbo decoding with Max-Log-MAP has at least one fixed point but is in general suboptimal and may not even converge. Finally, some conditions are given to guarantee the convergence of the iterative turbo decoding.
    Relation Link: http://webservices.ieee.org/pindex_basic.html
    URI: http://nthur.lib.nthu.edu.tw/handle/987654321/13477
    Appears in Collections:[電腦與通訊科技研發中心] 技術報告
    [通訊工程研究所] 會議論文

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