Method for switching a time frame based mobile unit to a...

Details Method for switching a time frame based mobile unit to a... Method for switching a time frame based mobile unit to a...

2007-08-21

2007-08-21

Trost, William (Department: 2617)

Multiplex communications

Communication over free space

Signaling for performing battery saving

C370S321000, C370S337000, C370S347000, C370S354000, C455S574000, C455S343100

Reexamination Certificate

active

10707872

ABSTRACT:
Method for recovering frame timing of a mobile communication device performing a sleep mode. The mobile communication device communicates with a base station through a communication system so that wireless signals are transmitted via frames. The method includes executing a synchronous task for interrupting currently loaded control processes in a real-time operating system and for calculating a predetermined sleep period for the sleep mode, executing the synchronous task for driving the mobile communication device to enter the sleep mode during an actual sleep period, and executing the synchronous task for synchronizing frame timing of the mobile communication with frame timing of the base station according to the actual sleep period.

REFERENCES:
patent: 5519710 (1996-05-01), Otsuka
patent: 6212398 (2001-04-01), Roberts et al.
patent: 7149555 (2006-12-01), Suda

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