Bandwidth allocation in a multiservice satellite network based on long-term weather forecast scenarios

  • Authors:

  • Raffaele Bolla;Nedo Celandroni;Franco Davoli;Erina Ferro;Mario Marchese

  • Affiliations:

  • Department of Communications, Computer and Systems Science (DIST), University of Genoa, Via Opera Pia 13, 16145 Genoa, Italy;CNUCE Institute of National Research Council (CNR), CNR Research Area, Via Moruzzi 1, 56010 Pisa, Italy;Department of Communications, Computer and Systems Science (DIST), University of Genoa, Via Opera Pia 13, 16145 Genoa, Italy;CNUCE Institute of National Research Council (CNR), CNR Research Area, Via Moruzzi 1, 56010 Pisa, Italy;CNIT-Italian National Consortium for Telecommunications, University of Genoa Research Unit, Via Opera Pia 13, 16145 Genoa, Italy

  • Venue:
  • Computer Communications
  • Year:
  • 2002

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Abstract

The paper compares two alternative hierarchical bandwidth allocation and admission control schemes suited for the multiservice Ka-band satellite environment, where the attenuation of the transmitted signals due to bad weather conditions has a heavy impact on the system's performance. The two schemes are compared by using data derived from a real case study. The aim is to demonstrate that a high level control mechanism for the assignment of the satellite bandwidth to earth stations, which takes into consideration the rain attenuation probabilities of a certain geographical area, improves the system's performance, with respect to an assignment mechanism insensitive to the geographical fade probabilities.