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

Algorithm 1

Dynamical adjustment of CW based on CCA and priorities of messages. Pseudocode of the proposed JCCA.

()    Input: ,

()    Output:

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()    If then

()    Else if then

()    Else if then

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()    If   then

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() If then

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() If transmission is successful, then

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() Else if then

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() If then

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()   If transmission is successful, then ;

() Else if then

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()  If then

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()  If transmission is successful, then

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() End:

()  ;