Publication
Consensus in Wireless Ad hoc Networks
Résumé
Solving consensus in wireless ad hoc networks has started to be addressed in several papers. Most of these papers adopt system models similar to those developed for wired networks. These models are focused towards node failures while ignoring link failures, and thus are poorly suited for wireless ad hoc networks. The HO model, which was proposed recently, does not have this drawback. The paper shows that an existing algorithm and the HO model can be used for multi-hop wireless ad hoc networks, if extended with an adequate communication layer. The description of the communication layer is augmented with simulation results that validate the feasibility of our approach and provide better understanding of the behavior of realistic wireless environments.
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Proximité ontologique
Concepts associés (32)
Wireless ad hoc network
A wireless ad hoc network (WANET) or mobile ad hoc network (MANET) is a decentralized type of wireless network. The network is ad hoc because it does not rely on a pre-existing infrastructure, such as routers or wireless access points. Instead, each node participates in routing by forwarding data for other nodes. The determination of which nodes forward data is made dynamically on the basis of network connectivity and the routing algorithm in use.
Wireless mesh network
A wireless mesh network (WMN) is a communications network made up of radio nodes organized in a mesh topology. It can also be a form of wireless ad hoc network. A mesh refers to rich interconnection among devices or nodes. Wireless mesh networks often consist of mesh clients, mesh routers and gateways. Mobility of nodes is less frequent. If nodes constantly or frequently move, the mesh spends more time updating routes than delivering data.
Réseau de capteurs sans fil
Un réseau de capteurs sans fil est un réseau ad hoc d'un grand nombre de nœuds, qui sont des micro-capteurs capables de recueillir et de transmettre des données d'une manière autonome. La position de ces nœuds n'est pas obligatoirement prédéterminée. Ils peuvent être aléatoirement répartis dans une zone géographique, intitulée « champ de captage » correspondant au terrain concerné pour le phénomène capté. En plus d'applications civiles, il existe des applications militaires aux réseaux de capteurs (détection d'intrusions, localisation de combattants, véhicules, armes, etc.
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