Implementation of signalling in a telecommunications network

Details Implementation of signalling in a telecommunications network Implementation of signalling in a telecommunications network

H - Electricity

04

Q

H04Q 7/38 (2006.01) H04Q 7/30 (2006.01)

Patent

CA 2287231

The invention relates to an implementing signalling in a telecommunications network, particularly in a mobile network. In the method, one network element (BSC) serves as a master element and several other network elements serve as slave elements (BTS1...BTS4) sending a transmission request for signalling information to the master element which assigns transmission turns in accordance with received transmission requests. The signalling is implemented on a signalling channel common to the slave network elements, comprising at least one time slot of the transmission frame, or part of such a time slot. In order that the transmission requests might be forwarded to destination rapidly without unnecessarily occupying transmission capacity, in the transmission from the slave elements to the master element (a) the capacity of the signalling channel used is divided into a first subchannel on which transmission requests are sent and to a second subchannel on which actual signalling information is sent, and (b) the subchannel allocated to transmission requests is further divided between several different base stations in such a way that a predetermined bit from the same time slot of the transmission frame is assigned for the use of transmission requests of each base station, and thus several different slave elements can send a transmission request simultaneously to the master element.

Mise en oeuvre de la signalisation dans un réseau de télécommunication, en particulier dans un réseau mobile. Selon ce procédé, un élément de réseau (BSC) sert d'élément maître et plusieurs autres éléments de réseau servent d'éléments asservis (BTS1 - BTS4) qui envoient une demande de transmission pour des informations de signalisation à l'élément maître, lequel attribue des tours de transmission selon les demandes de transmission reçues. La signalisation est mise en oeuvre sur un canal de signalisation commun aux éléments de réseau asservis, comprenant au moins un créneau temporel de la trame de transmission, ou une partie dudit créneau. Afin que les demandes de transmission soient acheminées rapidement à destination sans occuper la capacité de transmission de manière inutile, pour la transmission des éléments asservis à l'élément maître, (a) la capacité du canal de signalisation utilisé est divisée en un premier sous-canal sur lequel les demandes de transmission sont envoyées et en un second sous-canal sur lequel les informations de signalisation effectives sont envoyées et (b) le sous-canal alloué aux demandes de transmission est à son tour divisé entre plusieurs stations de base différentes de manière qu'un bit prédéterminé provenant du même créneau temporel de la trame de transmission soit assigné pour l'utilisation des demandes de transmission de chaque station de base, ce qui permet à plusieurs éléments asservis différents d'envoyer une demande de transmission simultanément à l'élément maître.

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