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A Statistical Connection Admission Control Mechanism for Multiservice IEEE 802.16 Network

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5 Author(s)
Ke Yu ; Commun. Network Lab., Beijing Univ. of Posts & Telecommun., Beijing ; Xuan Wang ; Songlin Sun ; Lin Zhang
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IEEE 802.16 is a promising technology in broadband wireless access area. In multiservice IEEE 802.16 network, connection admission control (CAC) plays a critical role for resource management and QoS guarantee. In this paper, a statistical CAC mechanism is proposed for IEEE 802.16 network. In order to avoid the QoS degradation, the proposed CAC mechanism considers the traffic variability and overflow. Furthermore, a model of traffic and air interface capacity is provided to make the CAC mechanism easy to be implemented. Then, a performance analysis model based on Markov chains is proposed. Numerical and simulation results show that the proposed CAC mechanism can prevent the traffic overflow and achieve a good packet level QoS.

Published in:

Vehicular Technology Conference, 2009. VTC Spring 2009. IEEE 69th

Date of Conference:

26-29 April 2009