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Evaluation of SPMA and higher order sectorization for homogeneous SIR through macro sites

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Abstract

This paper highlights the performance of single path multiple access (SPMA) and discusses the performance comparison between higher order sectorization and SPMA in a macrocellular environment. The target of this paper is to emphasize the gains and significance of the novel concept of SPMA in achieving better and homogeneous SIR and enhanced system capacity in a macrocellular environment. This paper also explains the algorithm of SIR computation in SPMA. The results presented in this paper are based on sophisticated 3D ray tracing simulations performed with real world 3D building data and site locations from Seoul, South Korea. Macrocellular environment dominated with indoor users was considered for the research purpose of this paper. It is found that by increasing the order of sectorization, SIR along with spectral efficiency degrades due to the increase in inter-cell interference. However, as a result of better area spectral efficiency due to increased number of sectors (cells), the higher order sectorization offers more system capacity compared to the traditional 3-sector site. Furthermore, SPMA shows an outstanding performance and significantly improves the SIR for the individual user over the whole coverage area, and also remarkably increases the system capacity. In the environment under consideration, the simulation results reveal that SPMA can offer approximately 424 times more system capacity compared to the reference case of 3-sector site.

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Acknowledgments

Authors would like to thank European Communications Engineering (ECE) Ltd and European Celtic-Plus project SHARING for supporting this research work.

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Authors and Affiliations

  1. Department of Electronics and Communications Engineering, Tampere University of Technology (TUT), Tampere, Finland

    Muhammad Usman Sheikh, Joonas Säe & Jukka Lempiäinen

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  1. Muhammad Usman Sheikh
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  2. Joonas Säe
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  3. Jukka Lempiäinen
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Correspondence to Muhammad Usman Sheikh.

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Sheikh, M.U., Säe, J. & Lempiäinen, J. Evaluation of SPMA and higher order sectorization for homogeneous SIR through macro sites. Wireless Netw 22, 1079–1091 (2016). https://doi.org/10.1007/s11276-015-1019-8

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  • DOI: https://doi.org/10.1007/s11276-015-1019-8

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