Mobile Information Systems / 2017 / Article / Tab 1

Research Article

A QoS Enhancement Scheme through Joint Control of Clear Channel Assessment Threshold and Contending Window for IEEE 802.11e Broadcasting

Table 1

Configuration of the contending window.

Channel utilization ratiosNetwork conditions

Low channel utilization ratio
Intermediate channel utilization ratio
High channel utilization ratio

is selected from denoting four types of services in IEEE 802.11e; indicates the channel utilization ratio; is the minimum contending window of the th type of service when the network is in the low channel utilization case.

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