Impacts of node population and TXOP on stable operation of IEEE 802.11e EDCA

Authors:
Saeed Rashwand;Jelena Mišić
Affiliations:
University of Manitoba, Winnipeg, MB, Canada;Ryerson University, Toronto, ON, Canada
Venue:
Proceedings of the 6th International Wireless Communications and Mobile Computing Conference
Year:
2010

Citing 3
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Abstract

In this paper, we investigate effects of two important parameters on stability boundaries between saturation and non-saturation regimes of IEEE 802.11e EDCA. We study the stability regions of four access categories by taking into account node population, TXOP value under different arrival rates. In order to operate in stable regime, the frame arrival rate of all stations in the network should not exceed the non-saturation boundaries. However, because the arrival rates of the stations are dependent on the application, the stability of network employing IEEE 802.11e EDCA must be controlled by other parameters. The simulation results show that node populations of different traffic classes and TXOP values could be suitable parameters for preserving network stability.