Method and apparatus for avoiding data loss during a ppp...

Details Method and apparatus for avoiding data loss during a ppp... Method and apparatus for avoiding data loss during a ppp...

H - Electricity

04

L

H04L 29/06 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2379126

A method and a wireless communication device (104) capable of flow controlling data to be sent from a TE2 device (102) over a R m interface when PPP renegotiation occurs over a U m interface. Flow control (S320) is asserted by the MT2 device (104) by means of manipulating electrical signaling of a physical interface between the MT2 device (104) and the TE2 device (102). A second embodiment provides a method and a wireless communication device (104) for buffering (S420) data on the MT2 device when the PPP renegotiation of the U m interface occurs. In a third embodiment, data is buffered when the PPP renegotiation of the U m interface occurs. When an amount of free buffer space is less than a predetermined threshold (S540), flow control is asserted (S550) to the TE2 device. Image

L'invention concerne un procédé et un dispositif (104) de communication sans fil pouvant assurer la commande d'un flux de données envoyées à partir d'un dispositif TE2 (102) sur une interface Rm lors d'une renégociation PPP sur une interface Um. Pour vérifier la commande de flux (S320), le dispositif MT2 (104) manipule des signaux électriques d'une interface physique entre le dispositif MT2 (104) et le dispositif TE2 (102). Dans un deuxième mode de réalisation, un procédé et un dispositif (104) de communication sans fil assurent une mise en mémoire-tampon (S420) de données sur le dispositif MT2 lors de la renégociation PPP de l'interface Um. Dans un troisième mode de réalisation, des données sont mises en mémoire-tampon lors de cette renégociation PPP de l'interface Um. Lorsque la quantité d'espace tampon libre est inférieure à un seuil (S540) prédéterminé, la commande de flux est vérifiée (S550) par le dispositif TE2.

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