Mobile device power saving

Details Mobile device power saving Mobile device power saving

2005-11-01

2005-11-01

Trinh, Sonny (Department: 2687)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S572000, C370S311000

Reexamination Certificate

active

06961594

ABSTRACT:
A method of power saving in a mobile device (10) for use in conjunction with a plurality of beacon devices (12, 14, 20), together with a mobile device operable or configured to effect such method. The mobile device detects and receives data from such beacon devices including a first one of said beacon devices when said mobile device is at a first location within a first predetermined range from said first one of said beacon devices. The current location of the mobile device is determined and compared with stored location data for at least some of said plurality of beacon devices, and the communications means are disabled from detecting such beacon devices when it is determined that the current location for the mobile device is outside said first predetermined range from a beacon device for which location data is held.

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By Christian Rohl et al. Entitled: A Short Look on Power Saving Mechanisms in the Wirless LAN Standard Draft IEEE 802.11. Winlab Workshop on 3rdGeneration Wireless Information Networks, Piscataway, NJ, 1997, Technical University Berlin, Telecommunication Networks Group, pp. 183-188.

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