Broadband telecommunications system

H - Electricity – 04 – L

Patent

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Details

H04L 12/56 (2006.01) H04L 12/24 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2223868

A broadband telecommunication system comprises at least one broadband telecommunications switch, and data transmission means coupled to the broadband telecommunications switch and to each of a plurality of data sources. The system operates to communicate data from said sources to destinations in a form of a plurality of cells, the communications being arranged to satisfy predetermined transmission parameters. The transmission parameters include an initial cell rate representative of a maximum rate at which data from said sources may be initially communicated to the telecommunications switch, when the sources become active. By providing the telecommunications switch with a bandwidth allocator which operates the calculate an available bandwidth for allocation between the plurality of data sources in accordance with a number of the data sources which are idle during a predetermined period scaled respectively by each initial cell rate, and operates to allocate the available bandwidth between active data sources, a data storage requirement may be substantially reduced.

L'invention est un système de télécommunication à large bande comportant au moins un commutateur de télécommunication à large bande et un dispositif de transmission de données couplé à ce commutateur et à chacune des sources de données d'une pluralité de telles sources. Le système de l'invention transmet les données de ces sources aux destinations sous la forme d'une pluralité de cellules, cette transmission satisfaisant aux exigences de paramètres de transmission prédéterminés. Ces paramètres comprennent le débit de transmission de cellules initial qui représente le débit maximal auquel ces données peuvent être transmises initialement au commutateur de télécommunication à partir de ces sources quand celles-ci deviennent actives. En dotant le commutateur de télécommunication d'un allocateur de largeur de bande qui calcule la largeur de bande à répartir entre les sources de données en tenant compte de celles qui sont inactives durant une période prédéterminée et de leurs débits de transmission de cellules initiaux, et qui répartit la largeur de bande disponible entre les sources de données actives, on peut réduire substantiellement les besoins en stockage de données.

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