Selectively skipping listen windows in power saving mode in...

Details Selectively skipping listen windows in power saving mode in... Selectively skipping listen windows in power saving mode in...

2008-02-08

2011-12-13

Nguyen, Duc (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

C455S343200, C455S574000

Reexamination Certificate

active

08078132

ABSTRACT:
Disclosed is a method of selectively skipping one or more listen windows during power saving (i.e., sleep mode) operation in a multi-mode radio handset capable of operating on a plurality of radio access networks (RANs). A multi-mode radio handset signals a base station to which it is currently in communication to request that one or more listen windows be skipped considering the delay and jitter requirements of the most time critical application currently running. The request includes data defining a different listen and sleep window sequence. The multi-mode radio handset receives an acknowledgment from the base station indicating that the request has been granted. The acknowledgement includes a start frame parameter that defines when the different listen and sleep window sequence will begin. Upon completion of the different listen and sleep window sequence, the multi-mode radio handset reverts back to the original alternating sequence of listen and sleep windows.

REFERENCES:
patent: 6597679 (2003-07-01), Willars
patent: 7295827 (2007-11-01), Liu et al.
patent: 2007/0104141 (2007-05-01), Park et al.
patent: 2009/0291717 (2009-11-01), Lee et al.
patent: WO 2007/053851 (2007-05-01), None
3GPP RAN WG2: “Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Radio interface protocol aspects (Release 7), 3GPP TR 25.813 V7 .1.0”, Oct. 18, 2006, 41 pages.
Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, or the Declaration, corresponding to PCT/US2008/079067, Mar. 23, 2009, 18 pages.

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