Journal of Integrative Natural Science (통합자연과학논문집)

The Basic Science Institute Chosun University (조선대학교 기초과학연구원)
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Dynamic User Association based on Fractional Frequency Reuse

  • Ban, Ilhak (Department of Computer Science & Statics, Chosun University) ;
  • Kim, Se-Jin (Department of Computer Science & Statics, Chosun University)
  • Received : 2020.03.11
  • Accepted : 2020.03.17
  • Published : 2020.03.30
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Abstract

This paper proposes a novel fractional frequency reuse(FFR) based on dynamic user distribution. In the FFR, a macro cell is divided into two regions, i.e., the inner region(IR) and outer region(OR). The criterion for dividing the IR and OR is the distance ratio of the radius. However, these distance-based criteria are uncertain in measuring user performance. This is because there are various attenuation phenomena such as shadowing and wall penetration as well as path loss. Therefore, we propose a novel FFR based on dynamic user classification with signal to interference plus noise ratio(SINR) of macro users and classify the FFR into two regions newly. Simulation results show that the proposed scheme has better performance than the conventional FFR in terms of SINR and throughput of macro cell users.

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References

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