Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-01-09
2007-01-09
Gelin, Jean (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S422100, C455S428000, C455S404200, C455S423000, C455S446000, C340S539130, C342S450000
Reexamination Certificate
active
10739023
ABSTRACT:
A system and method supports multiple wireless carrier mobile station location requirements with a common network overlay location system. The common network overlay location system shares geolocation assets such as location measurement units (LMU), geo-location control system (GCS), and, optionally, mobile positioning centers (MPC). The shared location assets are configured to operate with each of the sharing carrier systems. The number of sharing carriers in the same market is not limited. LMUs are configurable and switchable to measure attributes of the transmitted signal from mobile stations belonging to any of the wireless carriers which are used by the common location system to estimate the location of the mobile station using time of arrival, time difference of arrival, angle of arrival, signal power, and combinations of the same. The location of the LMUs are configured to provide an acceptable level of accuracy while minimizing a function such as the need for additional LMUs and cost.
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Afshar Kamran
Andrew Corporation
Duane Morris LLP
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