Multi-directional multiplex communication system and isdn...

H - Electricity – 04 – L

Patent

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Details

H04L 12/52 (2006.01) H04L 12/28 (2006.01) H04L 12/56 (2006.01) H04Q 7/22 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2237674

A multi-directional multiplex communication system includes a base station connected to an ISDN and substations having a plurality of terminals connected thereto and serving to communicate with the base station through radio channels. Each substation includes terminating circuits for terminating layer 1 and layer 2 between the circuits and the terminal. The base station includes terminating circuits and a channel control circuit. The terminating circuits terminate layer 1 and layer 2 between the circuits and the ISDN. The channel control circuit performs transmission channel assignment/release between the base station and the substation by the demand-assignment scheme in accordance with generation/end of a call.

L'invention est un système de communication multiplex multidirectionnel qui comprend une station de base connectée à un RNIS et des sous-stations ayant une pluralité de terminaux connectés à celui-ci également et servant à communiquer avec la station de base par l'intermédiaire de canaux radio. Chaque sous-station comprend des circuits de terminaison servant à terminer la couche 1 et la couche 2 entre les circuits et le terminal. La station de base comprend des circuits de terminaison et un circuit de contrôle des canaux. Ces circuits de terminaison sont utilisés pour terminer la couche 1 et la couche 2 entre les circuits et le RNIS. Le circuit de contrôle des canaux affecte/libère les canaux de transmission entre la station de base et la sous-station dans le cadre du mécanisme de demande-affectation, selon qu'il s'agisse de la génération ou de la terminaison d'un appel.

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