Method of providing an estimate of a location
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United States of America Patent
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-
Nov 11, 2003
Grant Date -
Jan 24, 2002
app pub date -
Jun 15, 2001
filing date -
Jun 16, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A method of providing an estimate of the location of first and second devices (MS1, MS2) comprising the steps of obtaining at least one range measurement from the first device (MS1) to a known reference point (BS1, GPS SVs); obtaining at least one range measurement from the second device (MS2) to a known reference point (BS1, GPS SVs), the second device (MS2) being located near to the first device (MS1); and calculating an estimate of the location of the devices (MS1, MS2) using range measurements obtained in respect of both the first and second devices (MS1, MS2).
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