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This paper proposes an approach to solve the problem of LTE EPS network parametric synthesis taking into account self-similar properties of multiservice traffic. The problem is solved with the known source data such as network topology, traffic routes, statistical data on the demand for information and communication services. The article proposes the calculation expressions to determine the parameters...
Pervasive healthcare systems (PHSs) are mission-critical systems that require high quality support of non functional attributes (NFAs). For a specific service of system, many different off-the-shelf components based on various protocols and algorithms may be developed. Choosing appropriate components and setting their configuration parameters in optimal form based on the application type and end-user's...
Based on multi-agent system, an agent network structure model of closed-loop quality chain is built up at first, realizing closed-loop operation by agent coordination mechanism. The agent operation and communication scheme of the novel quality chain management is analyzed by a unite agent model, and its coordination between different agents is expressed according to positive and reverse quality agents...
In recent years, as the deployment of Wireless Local Area Networks (WLAN) in dense-urban areas is growing rapidly, it can be a perfect supplement for providing location information of users in indoor environments where other positioning techniques such as GPS, are not much effective. However, most systems only focus on the network deployment for positioning but overlook that the original purpose of...
As the particle swarm optimization (PSO) algorithm has some deficiencies such as slow convergence and easy to fall into the local extreme value in some circumstances, this paper presents an improved particle swarm optimization with a new inertia weight. In different stages of the algorithm run, a corresponding formula is used to calculate the inertia weight. In Addition, adaptive mutation and linear-changed...
In recent years, positioning systems for indoor areas using the existing wireless local area network infrastructure have become very popular and attractive. However, most systems only focus on the network deployment for positioning but overlook that the original purpose of these WLAN infrastructures is providing the required connectivity. Furthermore, experimental results related to such positioning...
Nowadays, Indoor Positioning Systems capitalize on the existing wireless local area network infrastructure and are very popular and attractive. However, most systems only focus on the network deployment for positioning but overlook that the original purpose of these WLAN infrastructures is providing the required connectivity. In this paper, we propose an innovative approach where WLAN planning and...
Human hazard consequent to electromagnetic exposure is identified and controlled by civil and military recommendations and laws. When the exposure impact is due to high average power electromagnetic sources, it is mandatory to approach the siting evaluation and installation together with the human hazard aspect. Main steps are: development of a state-of-the-art electromagnetic model of the sources,...
Résumé L’expansion rapide des applications et des services dans les réseaux mobiles de 3e génération (3G) et l’augmentation de la concurrence entre les opérateurs a fait accroître le besoin d’améliorer la qualité de service (QoS) aussi bien pour les utilisateurs que pour les fournisseurs de services. L’objectif fondamental pour les opérateurs de réseau umts consiste à offrir à leurs usagers la meilleure...
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