A Cross-Layer Approach to Enhance QoS for Multimedia Applications Over Satellite
In: Wireless Personal Communications Wireless Personal Communications, Springer Verlag, 2009, 50 (3), pp.305-328 Wireless Personal Communications, 2009, 50 (3), pp.305-328; (2009-08-01)
Online
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Zugriff:
International audience; The need for on-demand QoS support for communications over satellite is of primary importance for distributed multimedia applications. This is particularly true for the return link which is often a bottleneck due to the large set of end-users accessing a very limited uplink resource. Facing this need, Demand Assignment Multiple Access (DAMA) is a classical technique that allows satellite operators to offer various types of services, while managing the resources of the satellite system efficiently. Tackling the quality degradation and delay accumulation issues that can result from the use of these techniques, this paper proposes an instantiation of the Application Layer Framing (ALF) approach, using a cross-layer interpreter (xQoS-Interpreter). The information provided by this interpreter is used to manage the resource provided to a terminal by the satellite system in order to improve the quality of multimedia presentations from the end user's point of view. Several experiments are carried out for different loads on the return link. Their impact on QoS is measured through different application as well as network level metrics.
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A Cross-Layer Approach to Enhance QoS for Multimedia Applications Over Satellite
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| Autor/in / Beteiligte Person: | Gineste, Mathieu ; Chassot, Christophe ; Exposito, Ernesto ; Nicolas Van Wambeke ; Dairaine, Laurent ; Laboratoire d'analyse et d'architecture des systèmes (LAAS) ; Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1) ; Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3) ; Université Fédérale Toulouse Midi-Pyrénées-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse) ; Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Institut National Polytechnique (Toulouse) (Toulouse INP) ; Université Fédérale Toulouse Midi-Pyrénées ; Équipe Services et Architectures pour Réseaux Avancés (LAAS-SARA) ; Université Fédérale Toulouse Midi-Pyrénées-Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1) ; Université Toulouse Capitole (UT Capitole) ; Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse) ; Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université Toulouse - Jean Jaurès (UT2J) ; Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3) ; Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP) ; Université de Toulouse (UT) ; Université de Toulouse (UT)-Université Toulouse Capitole (UT Capitole) ; Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE) ; Centre National de la Recherche Scientifique - CNRS (FRANCE) |
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| Quelle: | Wireless Personal Communications Wireless Personal Communications, Springer Verlag, 2009, 50 (3), pp.305-328 Wireless Personal Communications, 2009, 50 (3), pp.305-328; (2009-08-01) |
| Veröffentlichung: | HAL CCSD, 2009 |
| Medientyp: | unknown |
| ISSN: | 0929-6212 (print) ; 1572-834X (print) |
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