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Sustainable green networking: exploiting degrees of freedom towards energy-efficient 5G systems

Published: 01 April 2019 Publication History

Abstract

The carbon footprint concern in the development and deployment of 5G new radio systems has drawn the attention to several stakeholders. In this article, we analyze the critical power consuming component of all candidate 5G system architectures--the power amplifier (PA)--and propose PA-centric resource management solutions for green 5G communications. We discuss the impact of ongoing trends in cellular communications on sustainable green networking and analyze two communications architectures that allow exploiting the extra degrees-of-freedom from multi-antenna and massive antenna deployments: small cells/distributed antenna network and massive MIMO. For small cell systems with a moderate number of antennas, we propose a peak to average power ratio-aware resource allocation scheme for joint orthogonal frequency and space division multiple access. For massive MIMO systems, we develop a highly parallel recurrent neural network for energy-efficient precoding. Simulation results for representative 5G deployment scenarios demonstrate an energy efficiency improvement of one order of magnitude or higher with respect to current state-of-the-art solutions.

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Cited By

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  • (2023)Green Networking: Challenges, Opportunities, and Future Trends for Sustainable DevelopmentProceedings of the 2023 11th International Conference on Computer and Communications Management10.1145/3617733.3617760(168-173)Online publication date: 4-Aug-2023
  • (2021)Enhancing the power efficiency of 5G portable standard devices using peak-to-average power ratio reduction technique based on data scramblingWireless Networks10.1007/s11276-021-02779-927:7(4949-4966)Online publication date: 1-Oct-2021
  • (2020)Extending the RISC-V ISA for efficient RNN-based 5G radio resource managementProceedings of the 57th ACM/EDAC/IEEE Design Automation Conference10.5555/3437539.3437754(1-6)Online publication date: 20-Jul-2020

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Information & Contributors

Information

Published In

cover image Wireless Networks
Wireless Networks  Volume 25, Issue 3
April 2019
498 pages

Publisher

Springer-Verlag

Berlin, Heidelberg

Publication History

Published: 01 April 2019

Author Tags

  1. 5G new radio
  2. C-RAN
  3. Green communications
  4. Massive MIMO
  5. PA

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View all
  • (2023)Green Networking: Challenges, Opportunities, and Future Trends for Sustainable DevelopmentProceedings of the 2023 11th International Conference on Computer and Communications Management10.1145/3617733.3617760(168-173)Online publication date: 4-Aug-2023
  • (2021)Enhancing the power efficiency of 5G portable standard devices using peak-to-average power ratio reduction technique based on data scramblingWireless Networks10.1007/s11276-021-02779-927:7(4949-4966)Online publication date: 1-Oct-2021
  • (2020)Extending the RISC-V ISA for efficient RNN-based 5G radio resource managementProceedings of the 57th ACM/EDAC/IEEE Design Automation Conference10.5555/3437539.3437754(1-6)Online publication date: 20-Jul-2020

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