Method enabling multiple communication nodes to access a...

Details Method enabling multiple communication nodes to access a... Method enabling multiple communication nodes to access a...

H - Electricity

04

B

H04B 3/54 (2006.01) H04L 12/52 (2006.01) H04L 27/26 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2529874

The invention relates to a method enabling communication nodes to access a transmission means on an electrical grid. The invention provides nodes with equal access to a shared means such as the electrical grid. In addition, the invention enables the maximum access speed to be reached when there are no collisions between reservation requests, as well as enabling coexistence signals to be robustly detected in noisy environments. The invention is characterised in that it involves the use of communication-reservation (5) and -release (10) signals and a random wait time (backoff time) before an electrical grid reservation with minimum and maximum pre-fixed values.

L'invention concerne un procédé permettant à de multiples noeuds d'accéder de manière égale à un moyen partagé, par exemple un réseau électrique, et d'atteindre la vitesse maximale d'accès lorsqu'il ne se produit pas de collision entre les demandes de réservation et la détection robuste de signaux de coexistence dans des environnements bruyants. Le procédé de l'invention se caractérise par l'utilisation de signaux de réservation (5) et de libération (10) de la communication, et par une attente aléatoire avant une réservation du réseau électrique avec des valeurs minimales et maximales fixées à l'avance.

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