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A class-based queueing service for IEEE 802.11e wireless networks

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5 Author(s)
Chyouhnwa Chen ; Dept. of Comput. Sci. & Inf. Eng., Nat. Taiwan Univ. of Sci., Taipei, Taiwan ; Huei-Wen Ferng ; Jun-Chuan Chen ; Hao-Lun Chin
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In order to fairly access a shared wireless channel and allocate network resources, resource management mechanisms are required for controlling link-sharing in wireless local area networks (WLANs), which are expected to support real-time and multimedia applications. We then propose, in this paper, an extended class-based queueing (CBQ) service, based on a controlled hierarchical link-sharing model with a QoS-aware IEEE 802.11e MAC protocol to support sharing of the link bandwidth among different users in a distributed manner. Dynamically adjusting parameters in IEEE 802.11e, e.g., AIFS, CWmin, and CWmax, which are used to control the probability of accessing the channel, our scheme is able to achieve fair channel sharing. Using a simulation approach, we demonstrate the fairness improvement of our scheme is good.

Published in:

Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th  (Volume:4 )

Date of Conference:

26-29 Sept. 2004