System and method for locating an unknown base station
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United States of America Patent
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Feb 7, 2012
Grant Date -
May 21, 2009
app pub date -
Oct 14, 2008
filing date -
Nov 15, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system and method for estimating a location of an unknown Node B in a wireless communication system having a plurality of other nodes and a plurality of location measurement units. A first value may be determined based on a network timing characteristic for one of the nodes, and a second value may be determined based on a network measurement report characteristic from a user equipment (“UE”). An observed time difference of arrival (“OTDOA”) hyperbola may then be calculated based on the first and second values, and a location of the unknown Node B as a function of the OTDOA hyperbola. Therefore, through the combination of a UE network measurement report characteristic and a downlink timing measurement from a location measurement unit, the location of an unknown Node B may be determined.
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