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Adaptive packet scheduling for the support of QoS over DVB-S2 satellite systems
Rendón Morales, Elizabeth; Mata Diaz, Jorge; Alins Delgado, Juan José; Muñoz Tapia, José Luis; Esparza Martín, Óscar
Universitat Politècnica de Catalunya. Departament d'Enginyeria Telemàtica; Universitat Politècnica de Catalunya. SERTEL - Serveis Telemàtics
This paper presents an adaptive algorithm for managing the weights of a weighted round robin (WRR) scheduler. The weights calculation depends on the capacity variations present in a Digital Video Broadcasting-Second Generation (DVB-S2) satellite link. The algorithm optimizes the bandwidth utilization while satisfying the QoS requirements for different traffic classes. The operation of the proposed algorithm is demonstrated by using the NS-2 simulator environment. The results show that the proposed adaptive WRR algorithm optimizes the bandwidth utilization while enforcing the priority level of each service class even in an extreme reduction of bandwidth caused by rain events.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telemàtica i xarxes d'ordinadors::Serveis telemàtics i de comunicació multimèdia
Quality of service
Digital video broadcasting -- Second generation
DVB-S2 (Estàndard de satèl·lit)
info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/conferenceObject
Springer Verlag
         

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