Method and system for locating a mobile radio receiver in a radio system with multiple transmitters
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United States of America Patent
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Jan 14, 2014
Grant Date -
Jan 4, 2007
app pub date -
Jan 23, 2004
filing date -
Feb 5, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A method of determining the location of a mobile receiver is provided. The method works within a radio system in one or more dimensions, the radio system includes a network of transmitters the positions of which are known. The method comprises the steps of: compiling a list of the signals detected by the receiver, sending said list to a calculation device; constructing a position function which relates to the probability that the receiver is at a given location, which position function has components corresponding to each member of the list, each component including a predetermined probability function that depends on mobile receiver position; and evaluating said position function to determine a position that corresponds to the highest probability of location, and defining that position to be the location of the mobile receiver.
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