Communications: directive radio wave systems and devices (e.g. – Directive – Position indicating
Reexamination Certificate
2007-03-30
2009-11-10
Phan, Dao L (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Position indicating
C342S457000, C342S463000
Reexamination Certificate
active
07616157
ABSTRACT:
A system and method for effectively performing enhanced device location procedures to determine the current physical location of a mobile device includes a plurality of satellites that wirelessly transmit satellite beacon signals, a plurality of base stations that wirelessly transmit pilot signals, and a plurality of access points that wirelessly transmit access-point beacon signals. A location detector of the mobile device coordinates a device location procedure by measuring the satellite beacon signals, the pilot signals, and the access-point beacon signals to generate corresponding satellite information, base station information, and access point information. The location detector analyzes the satellite information, the base station information, and the access point information to select an optimal system configuration from the most effective satellites, base stations, and access points. The location detector then utilizes the optimal system configuration to accurately calculate the current physical location of the mobile device.
REFERENCES:
patent: 2002/0055817 (2002-05-01), Chou
patent: 2007/0010248 (2007-01-01), Dravida et al.
patent: 2005351823 (2005-12-01), None
patent: WO/00/63646 (2000-10-01), None
patent: WO2005106523 (2005-11-01), None
Koerner Gregory J.
Phan Dao L
Redwood Patent Law
Sony Corporation
Sony Electronics Inc.
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