Probing method for a multi-station network

Details Probing method for a multi-station network Probing method for a multi-station network

H - Electricity

04

L

H04L 12/56 (2006.01)

Patent

CA 2550591

The invention relates to a method of operating a communication network, the network comprising a plurality of stations which are able to transmit data to and receive data from one another. The method comprises defining a first probing channel for the transmission of probe signals to other stations. Other stations which receive the first probe signals from a probing station indicate to the probing station their availability as destination or intermediate stations. A neighbor table comprising details of these other available stations is maintained at each station. Also, second probe signals are sent and received from stations in the neighbor table and a gradient table comprising data related to the cost of communicating with each neighbor station is maintained at each station, thereby to allow each station to select a predetermined number of intermediate stations for onward transmission of data from an originating station to a destination station at minimum cost.

La présente invention se rapporte à un procédé d'exploitation d'un réseau de communication comportant plusieurs stations aptes à échanger des données en mode transmission et en mode réception. Ce procédé consiste à définir un premier canal de sondage permettant la transmission de signaux de sondage vers d'autres stations. Les autres stations recevant les premiers signaux de sondage en provenance d'une station de sondage lui signalent leur disponibilité en tant que stations destinataires ou intermédiaires. Chaque station maintient une table de voisins comportant des détails de ces autres stations disponibles. Des stations comprises dans la table de voisins envoient et reçoivent des deuxièmes signaux de sondage, et chaque station maintient une table de gradients comportant des données correspondant aux coûts de communication avec chacune des stations voisines, de manière à permettre à chaque station de sélectionner un nombre déterminé de stations intermédiaires pour la transmission vers l'avant, à un coût minimal, de données provenant d'une station d'origine et destinées à une station destinataire.

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