Access to communications systems

H - Electricity – 04 – L

Patent

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Details

H04L 12/56 (2006.01) H04L 12/24 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2248490

The invention relates to communication systems in which end-user devices contend for access to shared resources of a channel in the communicationsystem. End-user devices sending data in packets over the communication channel piggyback requests for changes in allocated resources for transmission of another packet. A system controller changes the resource allocated to individual end-user devices depending upon the piggyback requests, in order to optimise the throughput of the channel. A packet switched network may thus act like a circuit switched network if required.

L'invention porte sur des systèmes de communication dans lesquels des dispositifs d'utilisateur final entrent en conflit pour l'accès à des ressources partagées d'un canal du système de communication. Les dispositifs d'utilisateur final qui envoient des données par paquets sur le canal de communication superposent des demandes de modification des ressources allouées en vue de la transmission d'un autre paquet. Un contrôleur de système modifie les ressources allouées aux dispositifs d'utilisateur final individuels en fonction des demandes superposées, de façon à optimiser le débit du canal. Un réseau à commutation de paquets peut ainsi se comporter comme un réseau à commutation de circuits, au besoin.

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