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Proceedings of the 2015 International Conference on Communications, Signal Processing, and Systems pp 331–339Cite as

A New Distributed Interference Alignment Technology Scheme Under the Condition of Partial Interference Alignment

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Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 386))

Abstract

This paper is based on the idea of partial interference alignment, studies the OBSS (Overlap Basic Service Set) scene that the strong and weak interference coexist, while mainly to strong interference. When only adopting distributed interference alignment for the strong interference region, since distributed interference alignment can only align the interference of strong interference region, if the SNR is relatively large, weak interference can severely limit the system’s channel capacity. For solving this problem, in this paper, weak interference is added to the covariance matrix of distributed interference alignment as a constant in order to eliminate the weak interference while eliminating the strong interference in the iteration, which effectively improves the system’s channel capacity under the condition of partial interference alignment. Then the simulation results show that the algorithm can effectively improve the channel capacity of the system, and greater power attenuation factor, the improved effect is more obvious.

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Acknowledgments

This work was supported by the 863 Program of China under Grant No. 2015AA01A703, the Fundamental Research Funds for the Central Universities under grant No.2014ZD03-02, NSFC (No. 61571055,61171104), fund of SKL of MMW (No. K201501).

Author information

Authors and Affiliations

  1. Key Laboratory of Universal Wireless Communications, MOE, Beijing, China

    Weixia Zou & Tiefei Wang

  2. Beijing University of Posts and Telecommunications, Beijing, 100876, People’s Republic of China

    Weixia Zou & Tiefei Wang

  3. State Key Laboratory of Millimeter Waves, Southeast University, Nanjing, 210096, People’s Republic of China

    Weixia Zou

  4. State Grid Electric Power Co. Ltd., Northern Hebei Zhangjiakou Power Company, Nanjing, China

    Chao Xu

Authors
  1. Weixia Zou
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  2. Tiefei Wang
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  3. Chao Xu
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Corresponding author

Correspondence to Tiefei Wang .

Editor information

Editors and Affiliations

  1. University of Texas at Arlington, ARLINGTON, Texas, USA

    Qilian Liang

  2. Tianjin Normal University, Tianjin, China

    Jiasong Mu

  3. Tianjin Normal University, Tianjin, China

    Wei Wang

  4. College of Physical and Electronic Infor, Tianjin Normal University, Tianjin, China

    Baoju Zhang

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© 2016 Springer-Verlag Berlin Heidelberg

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Zou, W., Wang, T., Xu, C. (2016). A New Distributed Interference Alignment Technology Scheme Under the Condition of Partial Interference Alignment. In: Liang, Q., Mu, J., Wang, W., Zhang, B. (eds) Proceedings of the 2015 International Conference on Communications, Signal Processing, and Systems. Lecture Notes in Electrical Engineering, vol 386. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-49831-6_33

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  • DOI: https://doi.org/10.1007/978-3-662-49831-6_33

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-662-49829-3

  • Online ISBN: 978-3-662-49831-6

  • eBook Packages: EngineeringEngineering (R0)

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