System and method for minimizing voice packet loss during a...

Details System and method for minimizing voice packet loss during a... System and method for minimizing voice packet loss during a...

H - Electricity

04

W

H04W 36/34 (2009.01) H04W 36/08 (2009.01) H04W 36/30 (2009.01)

Patent

CA 2519156

A system and method are presented for minimizing loss of voice packet during a wireless communications device Candidate Frequency Search (CFS). The method includes monitoring frames in a predetermined sample frame sequence and identifying frames having minimal user information. That is, frames with lower frame rates. The method further includes, in a wireless communications device, performing a CFS responsive to identifying frames having minimal user information. One example of the method includes identifying a lowest frame rate in an initial frame and performing a CFS in a frame following the initial frame. The method includes monitoring forward direction link frames and reverse direction link frames, and simultaneously monitoring forward and reverse direction link frames.

L'invention a trait à un système et à un procédé permettant de réduire au minimum la perte de paquets vocaux lors d'une recherche de fréquences candidates (CFS) dans un dispositif de communication sans fil. Le procédé consiste à contrôler des trames contenues dans une séquence de trames échantillon prédéterminée, et à identifier les trames possédant des informations utilisateur minimales, autrement dit les trames présentant la plus faible fréquence de trames. Le procédé consiste ensuite, dans un dispositif de communication sans fil, à réaliser une CFS en réponse à l'identification des trames possédant des informations utilisateur minimales. Dans un mode de réalisation, le procédé consiste à identifier la plus faible fréquence de trames dans une trame initiale, et à réaliser une CFS dans une trame suivant la trame initiale. Le procédé consiste à contrôler les trames de liaison aval et les trames de liaison amont, et à contrôler simultanément les trames de liaison aval et amont.

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