Traffic adaptive relaying topology control

  • Authors:
  • Beatriz Lorenzo;Savo Glisic

  • Affiliations:
  • Centre for Wireless Communications, Linnanmaa and University of Oulu, Finland;University of Oulu, Telecommunication Laboratory, Finland

  • Venue:
  • IEEE Transactions on Wireless Communications
  • Year:
  • 2009

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Abstract

The optimization of the relaying topology in multi-hop cellular network should provide the answer to the question who is transmitting to whom, and when, in such a way to insure the best system performance. In the case of temporally and spatially varying traffic distribution the optimal topology will also vary in time and an efficient way for topology control is needed in order to maximize the system performance. In this paper we present an algorithm for efficient relaying topology control, which is aware of the intercell interference, requiring coordinated action between the cells and resulting in multicell jointly optimal relaying topology. Numerical results demonstrate that an adaptive relaying topology control provides the network utility improvements and presents the framework for quantifying these improvements for spatially and temporally varying traffic.