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Blind Source Signal Separation and Retrieval

Research Project

Project/Area Number 11650427
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Measurement engineering
Research InstitutionShimane University

Principal Investigator

INOUYE Yujiro  Faculty of Science and Engineering, Shimane University, Department of Electronic and Control Systems Engineering, Professor, 総合理工学部, 教授 (40029533)

Project Period (FY) 1999 – 2000
Project Status Completed (Fiscal Year 2000)
Budget Amount *help
¥3,600,000 (Direct Cost: ¥3,600,000)
Fiscal Year 2000: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 1999: ¥2,800,000 (Direct Cost: ¥2,800,000)
KeywordsBlind Equalization / Blind Retrieval / Equalizers / Statistical Approach / Data Communication / Wide Band / Multiple Access / Multichannel / ブラインド復元 / 広帯域
Research Abstract

Recently, with the rapid development of high-speed digital computers, it is practically possible to processing a huge size of data all at once. In this research, we considered blind deconvolution ( or blind equalization) of a discrete-time linear channel system driven by multiple source signals using the second-order and/or the fourth-order cumulants of the output signals. We proposed several procedures for designing equalizers and investigated the effectiveness of the proposed procedures through digital simulations.
Roughly speaking, there are two approaches to design equalizers.
(1) The first approach is to blindly identify the channel system from the channel outputs and then to design an equalizer accordingly.
(2) The second approach is directly to design an equalizer from the equalizer outputs.
The second approach is called the direct approach, which is preferable, because it bypasses the process of blind system identification, and also bypasses the order estimation of the channel system. We devoted ourselves to take the direct approach in this research.
We proposed new criteria for solving the blind deconvolution problem. Base on these criteria, we developed iterative algorithms for attaining blind deconvolution, and then we investigated the effectiveness of the proposed algorithms through digital simulations.
Moreover, we established a system-theoretical foundation for the blind deconvolution of an FIR channel system. In this fundamental setting, we showed that every equalizable channel system has an FIR irredusible-paraunitary factorization. Based on this fact, we showed that any equalizable channel system can be reduced to a paraunitary FIR systemby a filter called a whitener. We believe that the system-theoretical foundation gives us a principle for designing futther advanced equalizers.

Report

(3 results)
  • 2000 Annual Research Report   Final Research Report Summary
  • 1999 Annual Research Report
  • Research Products

    (29 results)

All Other

All Publications (29 results)

  • [Publications] Y.Inouye and T.Sato: "Iterative Algorithms Based on Multistage Criteria for Multichannel Blind Deconvolution"IEEE Trans.on Signal Processing. 47巻6号. 1759-1764 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Y.Inouye and K.Tanebe: "Super-Exponential Algorithms for Multichannel Blind Deconvolution"IEEE Trans.on Signal Processing. 48巻3号. 881-888 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Y.Inouye and R.Liu: "Criteria for Direct Blind Deconvolution of MIMIFIR Systems Driven by White Source Signals"Pro.IEEE Int.Conf.on Acoust.,Speech and Signal Processing. 5巻. 2889-2892 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] R.Liu and Y.Inouye: "Direct Blind Deconvolution of Multiuser-Multichannel Systems"Proc.IEEE Int.Sympos.on Circuits and Systems. 5巻. 49-52 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Y.Inouye and R.Liu: "Direct Blind Deconvolution of FIR Multiple-Input Multiple-Output Systems"Proc.31st ISCIE Int.Sympos.on Stochastic Systems Theory and Its Applications. 175-180 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Y.Inouye and R.Liu: "A System-Theoretic Foundation for Blind Equalization of an FIR MIMO Channel System"Pro.IEEE Int.Sympos.on Circuits and Systems. 1巻. 120-123 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] R.Liu and Y.Inouye,and Luo: "A System-Theoretic Foundation for Blind Signal Separation of MIMO-FIR Convolutive Mixtures : A Review"Proc.2nd Int.Workshop on Independent Component Analysis and Signal Separation. 205-210 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Y.Inouye and T.Sato: "Iterative Algorithms Based on Multistage Criteria for Multichannel Blind Deconvolution"IEEE Trans. on Signal Processing. Vol.47, No.6. 1759-1764 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Y.Inouye and K.Tanebe: "Super-Exponential Algorithms for Multichannel Blind Deconvolution"IEEE Trans. on Signal Processing. Vol.48, No.3. 881-888 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] R.Liu and Y.Inouye: "Direct Blind Deconvolution of Multiuser-Multichannel Systems Driven by White but Higher-Order Source Signals"revised for publication in IEEE Trans. on Information Theory. (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Y.Inouye and R.Liu: "A System-Theoretic Foundation for Blind Equalization of an FIR MIMO Channel System"accepted for publication in IEEE Trans. on Circuits and Systems. (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Y.Inouye and R.Liu: "Criteria for Direct Blind Deconvolution of MIMI FIR Systems Driven by White Source Signals"Proc. IEEE Int.Conf. on Accost., Speech and Signal Processing, Phoenix, Arizona. Vol.5. 2889-2892 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] R.Liu and Y.Inouye: "Direct Blind Deconvolution of Multiuser-Multichannel Systems"Proc. IEEE Int.Sympos. on Circuits and Systems, Orlando Florida. Vol.5. 49-52 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Y.Inouye and R.Liu: "Direct Blind Deconvolution of FIR Multiple-Input Multiple-Output Systems"Proc. 31st ISCIE Int.Sympos. on Stochastic Systems Theory and Its Applications, Yokohama, Japan. 175-180 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Y.Inouye and R.Liu: "A System-Theoretic Foundation for Blind Equalization of an FIR MIMO Channel System"Proc. IEEE Int.Sympos. on Circuits and Systems, Geneva, Switzerland. Vol.1. 120-123 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] R.Liu and Y.Inouye, and Luo: "A System-Theoretic Foundation for Blind Signal Separation of MIMO-FIR Convolutive Mixtures : A Review"Proc. 2nd Int. Workshop on Independent Component Analysis and Signal Separation, Helsinki, Finland. 205-210 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] M.Kawamoto, Y.Inouye, and R.Liu: "Blind Deconvolution Algorithms for MIMO-FIR Channels Driven by White but Fourth-Order Colored Source Signals"Proc. 34th Annual Asilomar Conf.on Signals, Systems, and Computers, Pacific Grove, California, USA. (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] M.Kawamoto, Y.Inouye, and R.Liu: "Blind Deconvolution Algorithms for MIMO-FIR Systems Driven by Fourth-order Colored Signals"Proc. 31st ISCIE Int.Sympos. on Stochastic Systems Theory and Its Applications, Tottori, Japan. (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Y.Inouye and K.Tanebe: "Super-Exponential Algorithms for Multichannel Blind Deconvolution"IEEE Trans.on Signal Processing. 48巻3号. 881-888 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] Y.Inouye and R.Liu: "A System-Theoretic Foundation for Blind Equalization of an FIR MIMO Channel System"Proc.IEEE Int.Sympos.on Circuits and Systems, Geneva, Switzerland. 1巻. 120-123 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] R.Liu and Y.Inouye,and H.Luo: "A System-Theoretic Foundation for Blind Signal Separation of MIMO-FIR Convolutive Mixtures : A Review"Poc.2nd Int.Workshop on Independent Component Analysis and Signal Separation, Helsinki, Finland. 205-210 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] M.Kawamoto,Y.Inouye,and R.Liu: "Blind Equalization Algorithms for MIMO-FIR Channels Driven by White but Higher-0rderColored Source Signals"Proc.34th Annual Asilomar Conf.on Signals, Systems, and Computers, Pacific Grove, California,. (ページ 未定). (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] M.Kawamoto,Y.Inouye,and R.Liu: "Blind Deconvolution Algorithms for MIMO-FIR Systems Driven by Fourth-0rder Colored Signals"Proc.31st ISCIE Int.Sympo.on Stochastic Systems Theory and Its Applications, Tottori, Japan,. (ページ 未定). (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] 井上雄二郎 他1名: "Criteria for Direct Blind Diconvolution of MIMO FIR Systems Driven by White Source Signals"Proc. IEEE Int. Conf. on Acoust., Speech and Signal Processing. vol.5. 2889-2892 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] R.Liu, 井上雄二郎: "Direct Blind Deconvolution of Multiuser-Multichannel Systems"Proc. IEEE Int. Sympos. on Crifuits and Systems. vol.5. 49-52 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] 井上雄二郎 他1名: "Direct Blind Deconvolution of FIR Multi-Input Malti-Output Systems"Proc. 31st ISCIE Int. Sympo on stochastic system Theory and Its Applications. (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] 井上雄二郎 他1名: "A System-Theoretic Fundation for Glind Eguulization of an FIR MIMO Channel Systems"Proc. IEEE Int. Sympos. on Crifuits and Systems. (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] 井上雄二郎: "源信号のブラインド分離と復元"第12回工学・理学における不規則変動現象の数理的解析理論と応用研究会資料、統計数理研究所. 95-104 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] 井上雄二郎 他1名: "Direct Blind Deconvolution of FIR Multi-Input Multi-Output Systems"第6回逆問題研究会資料、統計数理研究所. (1999)

    • Related Report
      1999 Annual Research Report

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Published: 1999-04-01   Modified: 2016-04-21  

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