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Performance Evaluation for Saturated 802.16 Networks with Binary Backoff Mechanism

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2 Author(s)
Hai L. Vu ; Centre for Adv. Internet Archit., Swinburne Univ. of Technol., Melbourne, VIC ; Sammy Chan

We propose in this paper an analytical model to evaluate the average packet delay and its standard deviation in a saturated IEEE 802.16 network with the binary exponential backoff mechanism. In particular, we develop a simple fixed point analysis to approximate the probability that a bandwidth request is unsuccessful in such a network. A closed form expression for the mean and standard deviation of the delay are then derived from the model as a function of the system parameters. The accuracy of the analytical model is evaluated by comparing with simulation results over a wide range of operating conditions.

Published in:

2008 New Technologies, Mobility and Security

Date of Conference:

5-7 Nov. 2008