Adaptive Wireless Schedulers based on IEEE 802.11e HCCA 


Vol. 33,  No. 9, pp. 775-785, Sep.  2008


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  Abstract

We identify the problem of the current IEEE 802.11e HCCA (Hybrid Coordination Function Controlled Channel Access) scheduler and its numerous variations, that the queue information cannot be notified to the Hybrid Coordinator (HC) timely, therefore the uplink delay lengthens unnecessarily. We suggests a simple solution and a couple of implementation practices, namely the Adaptive Scheduler with RTS/CTS (ASR) and Adaptive Scheduler with Data/Ack (ASD). They are both further elaborated to emulate the Deficit Round Robin (DRR) scheduler. They are finally compared with existing exemplary schedulers through simulations, and shown to perform well.

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  Cite this article

[IEEE Style]

J. Joung and J. Kim, "Adaptive Wireless Schedulers based on IEEE 802.11e HCCA," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 9, pp. 775-785, 2008. DOI: .

[ACM Style]

Jinoo Joung and Jongho Kim. 2008. Adaptive Wireless Schedulers based on IEEE 802.11e HCCA. The Journal of Korean Institute of Communications and Information Sciences, 33, 9, (2008), 775-785. DOI: .

[KICS Style]

Jinoo Joung and Jongho Kim, "Adaptive Wireless Schedulers based on IEEE 802.11e HCCA," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 9, pp. 775-785, 9. 2008.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880