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Subcarrier Allocation for LTE Soft Frequency Reuse Based on Graph Colouring

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Information Sciences and Systems 2015

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 363))

Abstract

The paper discusses the parametrization of Soft Frequency Reuse (SFR) method to minimize the inter-cell interference. The optimization method to select the subcarrier allocation based on graph colouring is proposed. It is evaluated using numerical model for uniform (honeycomb) and non-uniform (based on sample deployed network) network topologies. The results prove that the proposed optimization method can significantly improve (up to 20 %) the throughput comparing to the random subcarrier allocation. We also show that selection of scheduling policy determines the optimal sub-band allocation and different SFR configuration should be used for different types of schedulers.

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Acknowledgments

This work was funded by the Polish National Centre for Research and Development, grant no LIDER/10/194/L-3/11, http://projekty.iitis.pl/zosb.

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Authors and Affiliations

  1. Institute of Theoretical and Applied Informatics of PAS, Gliwice, Poland

    Krzysztof Grochla & Konrad Połys

Authors
  1. Krzysztof Grochla
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  2. Konrad Połys
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Corresponding author

Correspondence to Krzysztof Grochla .

Editor information

Editors and Affiliations

  1. Department of Electrical, Imperial College, London, United Kingdom

    Omer H. Abdelrahman

  2. Department of Electrical and Electronic Engineering, Imperial College, London, United Kingdom

    Erol Gelenbe

  3. Department of Electrical and Electronic Engineering, Imperial College, London, United Kingdom

    Gokce Gorbil

  4. Department of Engineering Technology, University of Houston, Houston, Texas, USA

    Ricardo Lent

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Grochla, K., Połys, K. (2016). Subcarrier Allocation for LTE Soft Frequency Reuse Based on Graph Colouring. In: Abdelrahman, O., Gelenbe, E., Gorbil, G., Lent, R. (eds) Information Sciences and Systems 2015. Lecture Notes in Electrical Engineering, vol 363. Springer, Cham. https://doi.org/10.1007/978-3-319-22635-4_41

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  • DOI: https://doi.org/10.1007/978-3-319-22635-4_41

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-22634-7

  • Online ISBN: 978-3-319-22635-4

  • eBook Packages: EngineeringEngineering (R0)

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