System and method for power conservation in a wireless device

Details System and method for power conservation in a wireless device System and method for power conservation in a wireless device

2005-10-07

2008-10-21

Le, Thanh C (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S343300

Reexamination Certificate

active

07440781

ABSTRACT:
Described is a system and method for power conservation in a wireless device. The method includes switching, by a wireless computing unit, from a first communication mode to a second communication mode at a predefined time interval. The unit receives wireless signals only when in the second communication mode, and the first communication mode is a power-save mode. The unit then receives a wireless signal, and initiates a wireless connection to a wireless arrangement to obtain traffic data from the wireless arrangement when the signal includes a traffic data indicator which is indicative of existence of the traffic data. The unit switches into the first communication mode when the indicator is absent from the signal.

REFERENCES:
patent: 5978366 (1999-11-01), Massingill et al.
patent: 6192230 (2001-02-01), van Bokhorst et al.
patent: 0 907 262 (1999-04-01), None
patent: 00/22837 (2000-04-01), None
patent: 01/97538 (2001-12-01), None
Kwak et al., “Support for STA power saving in 802.11v”, IEEE 802.11-05/499 [online] May 2005, pp. 1-8.
“IEEE Standard Part 11: wireless LAN medium access control (MAC) and physical layer (PHY) specifications”, ISO/IEC 8802-11, ANSI/IEEE Std 802.11-1999, ch. 11, Aug. 20, 1999, pp. 123-137.

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