Joint TDMA/CSMA scheduling for solving the bottleneck issue in Wireless Mesh Networks

Anis Ouni 1 Hervé Rivano 1 Fabrice Valois 1
1 SWING - Smart Wireless Networking
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
Abstract : We consider a multi-hop wireless mesh network composed by routers which route traffic to the Internet through several gateway. In such network, a bottleneck phenomenon limits the performances around the gateways, the network capacity does not scale with its size. In this work, we propose a traffic scheduling strategy around the gateways in a 802.11-based wireless mesh network. We distinguish two kinds of nodes according to their location in the network and the medium sharing strategy used: those located within k-hop of the gateway run a TDMA medium access protocol while the nodes further run a CSMA/CA MAC layer. We investigate on the impact of the size of the TDMA area on the network capacity when an optimal scheduling is implemented. Through extensive simulations, it is shown that network capacity, fairness and packet loss rate are improved by our approach.
Type de document :
Rapport
[Research Report] RR-7442, INRIA. 2010
Liste complète des métadonnées


https://hal.inria.fr/inria-00531094
Contributeur : Anis Ouni <>
Soumis le : lundi 1 novembre 2010 - 19:00:58
Dernière modification le : mardi 13 décembre 2016 - 15:41:08
Document(s) archivé(s) le : vendredi 26 octobre 2012 - 12:56:29

Fichier

RR-7442.pdf
Fichiers produits par l'(les) auteur(s)

Identifiants

  • HAL Id : inria-00531094, version 1

Collections

Citation

Anis Ouni, Hervé Rivano, Fabrice Valois. Joint TDMA/CSMA scheduling for solving the bottleneck issue in Wireless Mesh Networks. [Research Report] RR-7442, INRIA. 2010. <inria-00531094>

Partager

Métriques

Consultations de
la notice

251

Téléchargements du document

717