Method for sending rlc pdu and allocating radio resource in...

Details Method for sending rlc pdu and allocating radio resource in... Method for sending rlc pdu and allocating radio resource in...

H - Electricity

04

W

H04W 72/04 (2009.01) H04W 80/02 (2009.01)

Patent

CA 2692649

Disclosed is a transmission of a RLC STATUS PDU using a limited radio resource by MAC and RLC layers in a long term evolution (LTE) system. In case where the MAC entity prioritizes logical channels for allocating the radio resource to each logical channel, the MAC entity is allowed to allocate radio resources based upon the size of a RLC STATUS PDU to be sent from the RLC layer and also the RLC layer is allowed to use the STATUS PDU prior to RLC data PDUs upon using the allocated radio resource, such that RLC protocols can be avoided from coming in a deadlock situation due to a non-transmission of the STATUS PDU.

La présente invention concerne l'envoi d'un PDU D'ÉTAT RLC effectué au moyen d'une ressource radio limitée, par les couches MAC et RLC dans un système à évolution à long terme (LTE). Si l'entité MAC donne un ordre de priorité aux canaux logiques pour attribuer la ressource radio à chaque canal logique, l'entité MAC est autorisée à attribuer des ressources radio sur la base de la taille d'un PDU D'ÉTAT RLC devant être envoyé de la couche RLC et la couche RLC est également autorisée à utiliser le PDU D'ÉTAT avant les PDU de données RLC lors de l'utilisation des ressources radio attribuées, de sorte que les protocoles évitent ainsi de se trouver dans une situation d'impasse du fait de la non transmission du PDU D'ÉTAT.

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