Apparatus and method for controlling slotted mode of several...

Details Apparatus and method for controlling slotted mode of several... Apparatus and method for controlling slotted mode of several...

2011-04-12

2011-04-12

Lee, Thomas (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

Power conservation

C713S300000, C713S321000, C713S323000, C713S324000, C455S001000, C455S073000, C455S403000

Reexamination Certificate

active

07925908

ABSTRACT:
A method for controlling a slotted mode of several systems using one sleep controller enhanced a hybrid sleep controller that performs sleep/wake-up interface of system protocol stacks (PSs) in a hybrid terminal including at least two system PSs used for different communication networks of a mobile communication system. The method includes determining whether there is a shared hardware-waiting system according to a sleep request from a system PS; if there is no shared hardware-waiting system, turning off a clock of the sleep controller and power of shared hardware to enable operation in a real sleep mode; and if there is a shared hardware-waiting system, sending an active command to a corresponding system and simultaneously driving a sleep timer until a time that other systems wake up, to enable operation in a virtual sleep mode.

REFERENCES:
patent: 7605701 (2009-10-01), Lee
patent: 2002/0078119 (2002-06-01), Brenner et al.
patent: 2007/0136725 (2007-06-01), Accapadi et al.
patent: 1020070040992 (2007-04-01), None

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