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International Conference in Communications, Signal Processing, and Systems

CSPS 2017: Communications, Signal Processing, and Systems pp 773–781Cite as

Dynamic Pilot Assignment in Massive MIMO Systems with Time-Shifted Pilot

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Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 463))

Abstract

The time-shifted pilot with downlink data overlap considering an infinite number of antennas in base station can mitigate pilot contamination well, but there is still interference between the cells in the same group. Different from the conventional random pilot assignment method, this paper proposes a dynamic pilot assignment method based on the interference degree of cells in the same group of the system. For the system with severe inter-cell interference, we use the pilot assignment method which maximizes the center cell’s minimum uplink SIR considering the total interference to the user to mitigate pilot contamination. For the system with slight inter-cell interference, we use the pilot assignment method which maximizes the center cell’s average uplink SIR considering the total interference to the user to improve its performance. The effectiveness of the pilot assignment method proposed in this paper is verified by simulation experiments.

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References

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Author information

Authors and Affiliations

  1. School of Electronics and Information Engineering, HIT, Harbin, 150001, China

    Shuangshuang Jiang & Bin Wang

Authors
  1. Shuangshuang Jiang
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  2. Bin Wang
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Corresponding author

Correspondence to Shuangshuang Jiang .

Editor information

Editors and Affiliations

  1. Department of Electrical Engineering, University of Texas at Arlington, Arlington, Texas, USA

    Qilian Liang

  2. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Jiasong Mu

  3. Harbin Institute of Technology, Harbin, Heilongjiang, China

    Min Jia

  4. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Wei Wang

  5. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Xuhong Feng

  6. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Baoju Zhang

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© 2019 Springer Nature Singapore Pte Ltd.

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Cite this paper

Jiang, S., Wang, B. (2019). Dynamic Pilot Assignment in Massive MIMO Systems with Time-Shifted Pilot. In: Liang, Q., Mu, J., Jia, M., Wang, W., Feng, X., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2017. Lecture Notes in Electrical Engineering, vol 463. Springer, Singapore. https://doi.org/10.1007/978-981-10-6571-2_94

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  • DOI: https://doi.org/10.1007/978-981-10-6571-2_94

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-6570-5

  • Online ISBN: 978-981-10-6571-2

  • eBook Packages: EngineeringEngineering (R0)

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