Abstract
Satellite and terrestrial cellular communication systems currently exist as two independent environments. In third generation systems these will complement each other and the cooperation between the two will allow for flexible and optimal radio resource allocation resulting in a reduction of some cost. However, the success of third generation systems will largely be dependent on their ability to provide improved quality of service over existing first and second generation systems, global coverage and an increased subscriber population. This paper reviews key features of the third generation systems, describes a teletraffic model suitable for such a multi-layer system, determines the benefits associated with a multilayer topology by studying the effect of the number of layers and the number of channels that can be supported by each layer and studies their effects on the performance parameters that determine the quality of service.
Résumé
Actuellement les systemès cellulaires de communication terrestres et satellitaires existent indépendamment les uns des autres. La troisième génération les rendra complémentaires, leur coopération conduisant à une repartition souple et optimale des ressources radio, done à des coûts réduits. Cependant, le succès de cette troisième génération sera largement dependant de l’amélioration de la qualité du service par rapport à la première et la seconde génération quant à la couverture et l’accroissement des abonnés. Il’décrit un modèle de trafic utilisable pour un système à plusieurs couches. Il détermine les gains induits par une topologie multicouche en analysant l’effet du nombre de couches sur les variables qui traduisent la qualité du service.
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Godara, L.C., Ryan, M.J. & Padovan, N. Third generation mobile communication systems: overview and modelling considerations. Ann. Télécommun. 54, 114–136 (1999). https://doi.org/10.1007/BF02998653
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DOI: https://doi.org/10.1007/BF02998653
Key words
- Mobile radiocommunication
- Cellular network
- Earth telecommunication
- Satellite telecommunication
- Universal Mobile Telecommunication system
- Modeling
- Overlay
- Teletraffic
- Telecommunication network planning
- International standard
- Telecommunication service
- Hierarchical system
- Service quality
- Radiocommunication handover