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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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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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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