A new traffic separation mechanism (TSm) in wireless 802.11e networks: a simulation study

Authors:
Ricardo Moraes;Francisco Vasques;Paulo Portugal;José Alberto Fonseca
Affiliations:
Faculdade de Engenharia, Universidade do Porto, Porto, Portugal;Faculdade de Engenharia, Universidade do Porto, Porto, Portugal;Faculdade de Engenharia, Universidade do Porto, Porto, Portugal;Departamento de Electrónica e Telecomunicações, Universidade de Aveiro, Aveiro, Portugal
Venue:
ROCOM'06 Proceedings of the 6th WSEAS international conference on Robotics, control and manufacturing technology
Year:
2006

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Abstract

Wireless Local Area Networks (WLAN) has attracted significant interest to support real-time communication. The most promising solution was recently published as IEEE 802.11e, which provide traffic differentiation. However, that solution still has an inadequate behavior to support real-time applications. In this paper, we propose a new traffic separation mechanism for IEEE 802.11e networks. Such Traffic Separation Mechanism (TSm) allows the coexistence of CSMA standard stations with modified (real-time) stations in the same network domain. We investigate the performance of TSm mechanism through computer simulations. We show the efectiveness of such scheme when the real-time traffic is kept at reduced loads or when we have only one producer real-time traffic station.