Location fix from unknown position
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United States of America Patent
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May 12, 2015
Grant Date -
Jan 3, 2013
app pub date -
Jan 5, 2012
filing date -
Jan 5, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for determining a location of a receiver by using signals received by the receiver from a number of satellites, the apparatus being configured to, when the receiver has been unable to decode a time-of-transmission from the satellite signals, determine a location for the receiver by use of an algorithm that takes an estimate of the location of the receiver as an input, and, when an estimate of the location of the receiver is unavailable, determine an approximate location of the receiver in dependence on the satellite signals and input that approximate location into the algorithm as the estimate of the location of the receiver.
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