A signalling method

H - Electricity – 04 – W

Patent

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Details

H04W 28/12 (2009.01) H04W 72/12 (2009.01)

Patent

CA 2389711

The invention relates to methods for transmission of signalling data in cellular telecommu- nication networks. According to the invention, multiple radio bearers can be allocated for transferring signalling traffic, but all higher layer signalling is in any case taken through the RRC protocol. In the inventive method, MM and higher layer messages are sent using RRC DIRECT TRANSFER messages, but a separate RLC entity is set up for RRC DIRECT TRANSFER messages. In various embodiments of the invention, separate radio bearers can be set up for individual CN domains and/or upper layer protocols and/or for a group of RRC messages.

L'invention concerne des procédés de transmission de données de signalisation dans des réseaux de télécommunications cellulaires. Selon l'invention, il est possible d'affecter plusieurs porteuses radio au transfert du trafic de signalisation, mais toute la signalisation des couches supérieures reste assurée, de toutes façons, par le protocole de gestion des ressources radio (RRC). Dans le procédé selon l'invention, les messages des couches MM et supérieures sont envoyés via des messages RRC DIRECT TRANSFER, mais on établit une entité de gestion des liaisons radio (RLC) séparée pour les messages RRC DIRECT TRANSFER. Dans divers modes de réalisation de l'invention, il est possible d'établir des porteuses radio séparées pour chacun des domaines du réseau d'infrastructure (CN) et/ou chacun des protocoles des couches supérieures et/ou pour un groupe de messages RRC.

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