Quality of service in wireless networks

Bilò, Vittorio; Pasquale, Adriano Di; Fioravanti, Fabio; Flammini, Michele; Forlizzi, Luca; Presti, Francesco Lo; Melideo, Giovanna; Nardelli, Enrico; Navarra, Alfredo; Proietti, Guido

doi:10.1109/ipdps.2003.1213411

Cited by 1 publication

(1 citation statement)

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“…email: {amine.mechraoui, jean-marc.thiriet, sylviane.gentil}@gipsa-lab.grenoble-inp.fr without treating its influence on the Quality of Control (QoC) (performance such as stability, error and response time) [5]. However, other studies are focused on the QoC and consider the network as only a time-varying delay without taking into account the other parameters influencing the QoC [6].…”

Section: Introductionmentioning

confidence: 99%

On-line Distributed Bayesian decision and diagnosis of Wireless Networked mobile robots

Mechraoui¹,

Thiriet²,

Gentil³

2010

18th Mediterranean Conference on Control and Automation, MED'10

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This paper deals with the problem of co-design of Wireless Networked Control systems (WNCS). The integration of the Wireless Network (WN) in the control loop influences the Quality of Control (QoC) of the system in terms of the Quality of Service (QoS) of the WN. In this paper, a new model of the QoS and its influence on the QoC is proposed. This model is based on a distributed Bayesian Network (BN). The main objective of this model is to diagnose on-line problems related to the QoS and the QoC. According to the diagnosis results and the situation, the system makes on-line decision to reconfigure both the WN in a multi-station environment and the controller in order to avoid the degradation of the QoC. This reconfiguration is justified by the need of adapting the WN to the requirements of the control and diagnosis, and also adapting the control and diagnosis to the capabilities of the WN. The proposed reconfiguration permits to guarantee a sufficient QoC under network limits.

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Section: Introductionmentioning

confidence: 99%