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Spectral and Energy Efficiency Optimization Through Coordinated Transmission for Downlink Cloud Radio Access Networks

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  • First Online:
Communications, Signal Processing, and Systems (CSPS 2017)

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

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Abstract

Cloud-based Radio Access Network (C-RAN) is capable of implementing flexible antenna installation and centralized processing to facilitate dense deployment of cells in the era of mobile traffic explosion. This paper investigates into the spectral and energy efficiency trade-off of C-RAN, and proposes optimized downlink coordinated transmission to enhance spectral efficiency (SE) and energy efficiency (EE). SE optimization is formulated as a sum rate maximization problem and solved by Lagrange multiplier method. EE optimization is formulated as a multi-objective function, and is then transformed into single objective function, which is solved by numerical search method. Simulations are conducted under different pre-coding configurations, and results demonstrate the effectiveness of proposed methods.

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Authors and Affiliations

  1. Shenzhen Graduate School of Harbin Institute of Technology, Shenzhen, 518055, China

    Ying Sun & Yang Wang

  2. Guangzhou Power Supply Co. Ltd., Guangzhou, 510620, China

    Ying Sun & Gang Wu

Authors
  1. Ying Sun
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  2. Yang Wang
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  3. Gang Wu
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Corresponding author

Correspondence to Yang Wang .

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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Sun, Y., Wang, Y., Wu, G. (2019). Spectral and Energy Efficiency Optimization Through Coordinated Transmission for Downlink Cloud Radio Access Networks. 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_2

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  • DOI: https://doi.org/10.1007/978-981-10-6571-2_2

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-6570-5

  • Online ISBN: 978-981-10-6571-2

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