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High concentration of users in a cell of a wireless LAN leads to an unsustainable traffic load at the access point (AP). An unsuitable solution to the problem will cause poor connectivity for users, severe performance degradation, and possible collapse of the wireless LAN. In this paper, we present a scheduler based on queue length at the AP and a congestion control scheme based on the channel utilization...
In this paper, we propose to add a new queue in IEEE 802.11 MAC protocol for real-time multimedia traffic in wireless LAN. The queue contributes to improving multimedia service quality by reducing end to end delay, a QoS parameter. To control two queues, we use a scheduler based on the PAD algorithm which selects a packet from one of two queues appropriately for forwarding. Moreover, we adapt the...
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