Location determination in a wireless network

Details Location determination in a wireless network Location determination in a wireless network

2009-04-30

2011-12-06

Liu, Harry (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Beacon or receiver

Reexamination Certificate

active

08072381

ABSTRACT:
A method for improving location determination for a mobile device location of which precludes it from sufficiently accurate determination by a standard position determination mechanism is disclosed. The method includes a step of receiving, at a server and from a mobile device, an indication that the mobile device detects a supplemental position determination signal not associated with an overhead channel set that is transmitted in support of traffic channels required to support voice or data communications. The method also includes steps of referencing a database to identify one or more criteria associated with the supplemental position determination signal; determining that the one or more criteria associated with the supplemental position determination signal indicates that a source generating the supplemental position determination signal is within a close proximity of the mobile device; and identifying the location of the source generating the supplemental position determination signal. The method also includes a step of using the location of the source generating the supplemental position determination signal as the location of the mobile device.

REFERENCES:
patent: 2003/0008669 (2003-01-01), Stein et al.
patent: 2003/0125045 (2003-07-01), Riley et al.
QUALCOMM Repeater Technologies to Improve Network Performance, 80-W0013-1 Rev A, QUALCOMM Incorporated, 2003.
Reduced carrier In-building solutions and Right sizing of In-building capacity, Verizon Wireless In-Building Forum, May 7, 2008.

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