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A NOVEL SLOTTED ALLOCATION MECHANISM TO PROVIDE QOS FOR EDCF PROTOCOL

Journal: International Journal of Computer Engineering and Technology (IJCET) (Vol.7, No. 3)

Publication Date:

Authors : ; ;

Page : 164-173

Keywords : QOS; IEEE 802.11e; EDCF; Throughput; Slotted; Collision; Computer engineering; iaeme; research; IJCET; journal article; research paper; open access journals; international journals;

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Abstract

The IEEE 802.11e EDCF mechanism cannot guarantee the QOS of high-priority traffic as the bandwidth consumption of the low-priority traffic increases. Also, in the presence of high priority traffic dampen link utilization of low priority traffic. To overcome these problems, we propose the Novel mechanism in our research that extends IEEE 802.11e EDCF by introducing a Super Slot and Virtual Collision. Compared to EDCF, our proposed approach has EDCF has two advantages: (a) Higher priority traffic achieves Quality of service regardless of the amount of low priority traffic, and (b) Low priority traffic obtains a higher throughput in the presence of same amount of high priority traffic.

Last modified: 2016-07-26 21:24:49