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Comparison of call admission control algorithms in ATM/AAL2 based 3 rd generation mobile access networks

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4 Author(s)
Fodor, G. ; Ericsson Radio Syst. AB, Stockholm, Sweden ; Leijonhufvud, G. ; Malomsoky, S. ; Racz, A.

While several papers and standards promote ATM in combination with the ATM Adaptation Layer Type 2 (AAL2) as the basic switching and multiplexing technology for 3rd generation mobile access networks, very little work addresses the issue of AAL2 call admission control (CAC). The hardship of AAL2 CAC comes from the fact that AAL2, unlike ATM, supports variable packet size traffic. In addition, when applied in the cellular environment, the AAL2 CAC needs to co-operate with the radio interface (RI) resource management. In this paper we develop and compare AAL2 CAC algorithms that operate on the AAL2 traffic parameters currently considered by the ITU-T. Based on this comparison we find that one of these algorithms, employing the well-known Hoeffding inequality provides a reasonable trade-off between complexity and precision

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Wireless Communications and Networking Conference, 1999. WCNC. 1999 IEEE

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