The influence of interference networks in QoS parameters in a WLAN 802.11g environment

Authors:
Jasmine P. L. Araújo;Josiane C. Rodrigues;Simone G. C. Fraiha;Felipe M. Lamarao;Nandamudi L. Vijaykumar;Gervásio P. S. Cavalcante;Carlos R. L. Francês
Affiliations:
Electrical Engineering Faculty, Federal University of Pará, Belém, PA, Brazil;Electrical Engineering Faculty, Federal University of Pará, Belém, PA, Brazil;Electrical Engineering Faculty, Federal University of Pará, Belém, PA, Brazil;Electrical Engineering Faculty, Federal University of Pará, Belém, PA, Brazil;National Institute for Space Research (INPE), Computing and Applied Mathematics Laboratory, SP, Brazil;Electrical Engineering Faculty, Federal University of Pará, Belém, PA, Brazil;Electrical Engineering Faculty, Federal University of Pará, Belém, PA, Brazil
Venue:
ISPA'07 Proceedings of the 5th international conference on Parallel and Distributed Processing and Applications
Year:
2007

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Abstract

This paper proposes a strategy to determine how much a given network can affect the QoS parameters of another, by interference. In order to achieve this, a measurement campaign was carried out in two stages: firstly with a single AP and later with two APs separated by a distance less than three meters, using the same channel. After the measurement, an analysis of the results and a set of inferences were made by using Bayesian Networks, whose inputs were the experimental data, i.e. QoS metrics such as: throughput, jitter, packet loss, PMOS and physical metrics like power and distance.