Impact of tradeoff between blocking and interference on TDMA cell capacity planning

  • Authors:
  • Hakim Mabed;Alexandre Caminada;Jin-Kao Hao

  • Affiliations:
  • UTBM Laboratoire SET, 90010 Belfort cedex, France.;UTBM Laboratoire SET, 90010 Belfort cedex, France.;Universite d

  • Venue:
  • International Journal of Mobile Network Design and Innovation
  • Year:
  • 2005

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Abstract

Cell capacity planning is a key phase of the expansion of cellular networks. The growth of communications demand requires improving the capacity of the networks regularly. However, cell capacity planning is difficult to achieve while it must take into account two conflicting objectives: minimising the blocking rate and reducing the interference. In TDMA systems, current literature offers few studies dealing simultaneously with both criteria. In this paper, we propose a bicriteria model for TDMA cell capacity planning as answer to a flexible management of the tradeoff between blocking and interference phenomena. While cell capacity dimensioning requires the offered traffic load on each station, we also present a module for offered traffic computation where user retrials and redials are considered. At the end, we carry out tests on two real world datasets with different network architectures and traffic loads in order to assess the efficiency of the approach.