Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2006-06-29
2009-08-18
Nguyen, David Q (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S456100, C455S439000, C455S574000
Reexamination Certificate
active
07577449
ABSTRACT:
The invention concerns a method (200) and system (100) for coordinating a sleep mode wake-up time. The method can include the steps of entering (214) a sleep mode and selecting (214) a paging group, advising (216) a base station (110) of the sleep mode and the selection of the paging group and coordinating (218) a wake-up time of the sleep mode with a second power saving mode that includes a common availability time (312) for mobile stations (116) communicating with the base station to detect signals from the base station. As an example, the second power saving mode (300) can be an idle mode, and the common availability time can be a listening interval of the idle mode.
REFERENCES:
patent: 7039430 (2006-05-01), Kang et al.
patent: 2004/0235536 (2004-11-01), Kim et al.
patent: 2005/0197125 (2005-09-01), Kang et al.
patent: 2006/0025134 (2006-02-01), Cho et al.
Simpson Floyd D.
Wang Huai Y.
Brown Larry G.
Motorola Inc.
Nguyen David Q
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