Throughput quantitative analysis of EDCA 802.11e in different scenarios

Authors

  • Santiago Cristobal Perez GRID TICs, National Technological University, Mendoza, 5500, Argentine
  • Higinio Alberto Facchini GRID TICs, National Technological University, Mendoza, 5500, Argentine
  • Gustavo Mercado GRID TICs, National Technological University, Mendoza, 5500, Argentine
  • Luis Bisaro GRID TICs, National Technological University, Mendoza, 5500, Argentine
  • Javier Campos Department of Informatics and Systems Engineering, Zaragoza University, Zaragoza, 50018, Spain

Keywords:

QoS, WLAN, EDCA 802.11e, Analysis of traffic, MAC Parameters

Abstract

This document presents a quantitative analysis of the direct and relative throughput of IEEE 802.11e. The global throughput of an 802.11e WLAN is determined by EDCA (Enhanced Distributed Channel Access) parameters, among other aspects, that are usually configured with predetermined and static values. This study carefully evaluates the Quality of Service (QoS) of Wi-Fi with EDCA in several realistic scenarios with noise and a blend of wireless traffic (e.g., voice, video, and best effort, with Pareto distribution). The metrics of the benefits obtained in each case are compared, and the differentiated impact of network dynamics on each case is quantified. The results obtained show that the default settings are not optimal, and that with an appropriate selection, can be achieved improvements of the order of 25 %, according to the type of traffic. In addition, it could be shown the quantitative impact of each parameter EDCA on the overall performance. This study proposes a new experimental scenario based on the relative proportion of traffic present in the network. Stations have been simulated using the Möbius tool, which supports an extension of SPN (Stochastic Petri Networks), known as HSAN (Hierarchical Stochastic Activity Networks).

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References

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Published

2013-04-01

How to Cite

Perez, S. C., Facchini, H. A., Mercado, G., Bisaro, L., & Campos, J. (2013). Throughput quantitative analysis of EDCA 802.11e in different scenarios. Journal of Computer Science and Technology, 13(01), p. 16–24. Retrieved from https://journal.info.unlp.edu.ar/JCST/article/view/637

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