Mobile Information Systems / 2017 / Article / Alg 1

Research Article

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:
()    
()    If then
()    Else if then
()    Else if then
()    Else if then
()    If   then
()     ;
()  ;
()  ;
() If then
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() If transmission is successful, then
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() Else if then
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()  ;
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()   If transmission is successful, then ;
() Else if then
()  ;  ;
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()  If then
()     ( (), );
()  If transmission is successful, then
()     ( (), );
() End:
()  ;

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