A network flow framework for online dynamic channel allocation

Details A network flow framework for online dynamic channel allocation A network flow framework for online dynamic channel allocation

H - Electricity

04

Q

H04Q 7/36 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2209351

The invention relates to a dynamic channel allocation system for a mobile communication system wherein mobile units communicate with the base station on allotted channels. The channel allocations are determined according to a framework of network flows including flow paths with nodes representing active mobile units, base stations and channels used for communication between active mobile units and their respective base stations. A new call from a mobile unit is added by finding the shortest available augmenting path for the added unit. The edges between nodes can include cost and capacity factors which can be used to determine desirable reconfigurations for the network.

L'invention porte sur un système dynamique d'attribution des canaux pour un système de communication mobile dans lequel les unités mobiles communiquent avec la station de base par le biais des canaux attribués. L'attribution des canaux se fait selon une structure d'acheminement sur réseau comprenant des trajets d'acheminement dont les noeuds représentent des unités mobiles actives, des stations de base et des canaux utilisés pour la communication entre les unités mobiles actives et leur station de base respective. Un nouvel appel d'une unité mobile est ajouté en trouvant le plus court trajet d'amélioration disponible pour l'unité additionnelle. Les critères avantageux des noeuds peuvent comprendre des facteurs de coût et de capacité, qui peuvent être utilisés pour concevoir des nouvelles configurations souhaitables pour le réseau.

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