Networked wireless communications device programmed to...

H - Electricity – 04 – B

Patent

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H04B 1/16 (2006.01) H04W 56/00 (2009.01) H04W 88/02 (2009.01)

Patent

CA 2561587

A method for correcting operation of the sleep oscillator (116) of a wireless communications device (100). Sleep oscillator frequency is estimated (412) so as to compensate for estimated temperature induced errors. In estimating temperature induced errors, errors (504) in sleep oscillator frequency are treated as being temperature induced errors (522), but probable multipath errors are bounded (410, 520) to predetermined sleep clock error maxima (602) corresponding to sleep duration over which the error occurred.

La présente invention se rapporte à un procédé de correction du fonctionnement de l'oscillateur de sommeil (116) d'un dispositif de communication sans fil (100). La fréquence de l'oscillateur de sommeil est évaluée (412) de sorte que soient compensées les erreurs induites par la température et estimées. Lors de l'estimation des erreurs induites par la température, les erreurs (504) de la fréquence de l'oscillateur de sommeil sont traitées en tant qu'erreurs induites par la température (522), mais les erreurs multivoies probables sont bornées (410, 520) par des maxima prédéterminés d'erreurs de l'horloge de sommeil (602) correspondant à la période de sommeil au cours de laquelle l'erreur est intervenue.

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