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2-D Adaptive Beamforming with Multiple Bi-Direction Optimization Based on Data Matrix and Application in Interferences Localization

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Advances in Wireless Sensor Networks (CWSN 2014)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 501))

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Abstract

Based on data matrix, a novel algorithm termed multiple bi-direction optimization (MBDO) is proposed to implement two-dimension (2-D) adaptive beamforming and interference sources localization. The main contribution of MBDO is to process the long weight vector. We decomposed the long weight vector into two short weight vectors. MBDO is used to compute the two short weight vectors by data matrix to finish beamforming. Moreover, the inverse of high dimension correlation matrix is replaced by low dimension data matrix. Theoretical analysis and simulations are provided to demonstrate the significant reduction in computational complexity and the improvement in performance compared with the well-known LCMV beamforming in most cases.

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Acknowledgment

This paper was supported by the National Natural Science Foundation of China (61373177, 61272461, 61170218), the Natural Science Foundation of Shaanxi Province (2013JM8008) and the Scientific Research Plan of Education Department of Shaanxi Province (11JK0903).

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Authors and Affiliations

  1. School of Information Science and Technology, Northwest University, Xi’an, China

    Weike Nie, Dingyi Fang & Xiaojiang Chen

  2. National Key Lab of Radar Signal Processing, Xidian University, Xi’an, China

    Dazheng Feng

Authors
  1. Weike Nie
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  2. Dazheng Feng
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  3. Dingyi Fang
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  4. Xiaojiang Chen
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Corresponding author

Correspondence to Weike Nie .

Editor information

Editors and Affiliations

  1. Chinese Academy of Sciences, Beijing, China

    Limin Sun

  2. Beijing, China

    Huadong Ma

  3. Northwest University, Xi’an, China

    Dingyi Fang

  4. Northwest University, Xi’an, China

    Jinping Niu

  5. Northwest University, Xi’an, China

    Wei Wang

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Nie, W., Feng, D., Fang, D., Chen, X. (2015). 2-D Adaptive Beamforming with Multiple Bi-Direction Optimization Based on Data Matrix and Application in Interferences Localization. In: Sun, L., Ma, H., Fang, D., Niu, J., Wang, W. (eds) Advances in Wireless Sensor Networks. CWSN 2014. Communications in Computer and Information Science, vol 501. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-46981-1_22

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  • DOI: https://doi.org/10.1007/978-3-662-46981-1_22

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-662-46980-4

  • Online ISBN: 978-3-662-46981-1

  • eBook Packages: Computer ScienceComputer Science (R0)

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