Dynamic Base Station Selection for Personal Communication Systems with Distributed Control Schemes

  • Authors:

  • Hitoshi Takanashi;Stephen S. Rappaport

  • Affiliations:

  • Department of Electrical Engineering, State University of New York at Stony Brook, Stony Brook, NY 11794-2350, U.S.A. E-mail: hitoshi@sbee.sunysb.edu and rappaport@sunysb.edu;Department of Electrical Engineering, State University of New York at Stony Brook, Stony Brook, NY 11794-2350, U.S.A. E-mail: hitoshi@sbee.sunysb.edu and rappaport@sunysb.edu

  • Venue:
  • Wireless Personal Communications: An International Journal
  • Year:
  • 1999

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Abstract

Distributed control schemes allow base stations in personal communication systems to be placed at locations corresponding to high expected traffic. This flexible base station placement creates significant overlapping coverage areas that can be utilized to improve system performance [1]. A new technique for dynamic base station selection in systems with overlapping cells is considered and its effect on traffic performance is characterized. The technique realizes robust performance for personal communication systems in fluctuating and heavily tapered traffic. A mathematical analysis based on a state transition model is used to evaluate performance of a system that employs the proposed technique. The results indicate that improved blocking probability and carried traffic performance are obtainable. Computer simulations were undertaken confirm the analytical results.