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Performance of Reservation in Call Admission Control Schemes for Code-Division Multiple Access Systems with Nonuniform Traffic Distribution Among Cells

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Abstract

In this paper, we propose the reservation type call admission control (CAC) scheme to resolve the intercell unbalanced traffic problem. Differently from a conventional CAC scheme where the system resource is fully allocated to the local users in the home cell, the proposed CAC scheme reserves a small portion of the system resource for new calls occurring in the neighboring cells instead of fully allowing the local users in the home cell to occupy the system resource. As a result, the proposed CAC scheme improves the overall call blocking probability when the traffic is nonuniformly distributed among cells. More specifically, the proposed CAC scheme improves the overall call blocking probability by 15% when one cell has 67% more traffic than its surrounding cells.

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Authors and Affiliations

  1. Department of Information and Communications, Kwang-Ju Institute of Science and Technology, 1 Oryong-dong, Gwang-Ju, 500-712, S. Korea

    Insoo Koo & Kiseon Kim

  2. Department of Electrical Engineering, University of Hawaii, 2540 Dole Street, Honolulu, Hawaii, 96822

    Seungjae Bahng

Authors
  1. Insoo Koo
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  2. Seungjae Bahng
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  3. Kiseon Kim
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Koo, I., Bahng, S. & Kim, K. Performance of Reservation in Call Admission Control Schemes for Code-Division Multiple Access Systems with Nonuniform Traffic Distribution Among Cells. International Journal of Wireless Information Networks 10, 159–163 (2003). https://doi.org/10.1023/B:IJWI.0000007997.85722.5a

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  • DOI: https://doi.org/10.1023/B:IJWI.0000007997.85722.5a

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